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<!-- Creation Date :2026-03-12T12:40:11.6618+00:00 -->
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Provision for credit losses, charge-offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Financing Receivable, Allowance for Credit Loss, Writeoff, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Charge-off in CECL reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charge-offs, Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableCreditQualityInvestmentGradeDefinition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Credit Quality Investment Grade Definition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableCreditQualityInvestmentGradeDefinition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable credit quality investment grade definition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableCreditQualityInvestmentGradeDefinition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of Investment Grade</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Present value of lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finance Lease, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Related Party Transactions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Related Party Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M5 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M5 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfFirstMortgageBond_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of First Mortgage Bond</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfFirstMortgageBond_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal balance paid down</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAssetSpecificAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset specific CECL reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAssetSpecificAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Asset Specific Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAssetSpecificAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable asset specific allowance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M1 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M1 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTexasAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison Texas Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTexasAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison, Texas acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTexasAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Addison, Texas Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revision of Prior Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Acquired, Average Cost Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchased of common stock average price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Financing Receivable [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableAmountPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Amount Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableAmountPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annualized gross distribution per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M7 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M1 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M1 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Year 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Tranche Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestReserveThroughMaturityAddedToPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest reserve through maturity added to the principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestReserveThroughMaturityAddedToPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Reserve Through Maturity Added To Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestReserveThroughMaturityAddedToPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest reserve through maturity added to the principal amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option to extend maturity, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility Option to Extend Maturity Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit facility option to extend maturity description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial mortgage loans fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Mortgage Loans Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial mortgage loans, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PortlandOregonAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Portland, Oregon Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PortlandOregonAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Portland, Oregon acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PortlandOregonAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portland, Oregon Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan twenty one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Twenty One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 21</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M10 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A3 and M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A3 and M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M4 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M4 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M3 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M3 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Facilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M2 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M2 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M4 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M4 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares, issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReversalOfInterestIncomeOnLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reversal of interest income on loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReversalOfInterestIncomeOnLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reversal Of Interest Income on Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReversalOfInterestIncomeOnLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reversal of interest income on loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M7ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M7 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M7ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M7 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M6 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassOfPATDIAndSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commmon class of of P, A, T, D, I and S.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassOfPATDIAndSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class of P A T D I and S [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassOfPATDIAndSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of P,A,T,D,I and S Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A6 and M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A6 and M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M8 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M88 Class D and Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M1 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M1 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromSaleOfLoanParticipations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from sale of loan participations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromSaleOfLoanParticipations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Sale Of Loan Participations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromSaleOfLoanParticipations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of loan participations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArlingtonTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Arlington, TX Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArlingtonTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Arlington, TX loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArlingtonTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Arlington, TX Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A12AndM12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A12 And M12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A12AndM12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A12 And M12 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialRealEstateLoansRemainingFutureFundingCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial real estate loans, remaining future funding commitment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialRealEstateLoansRemainingFutureFundingCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate Loans Remaining Future Funding Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialRealEstateLoansRemainingFutureFundingCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial real estate, remaining future funding commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate net asset value of shares repurchased per quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Net Asset Value Of Shares Repurchased Per Quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate net asset value of shares repurchased per quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MangoniaParkFLLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mangonia Park, FL Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MangoniaParkFLLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mangonia Park, FL Loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MangoniaParkFLLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mangonia Park, FL Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M1 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and stockholders&#8217; equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payables and Accruals [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateInvestmentInCommercialMortgageBackedSecuritiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate investment in commercial mortgage backed securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateInvestmentInCommercialMortgageBackedSecuritiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment In Commercial Mortgage Backed Securities [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateInvestmentInCommercialMortgageBackedSecuritiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SPCREInPointAdvisorsLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SPCRE InPoint Advisors limited liability company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SPCREInPointAdvisorsLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">S P C R E In Point Advisors Limited Liability Company [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SPCREInPointAdvisorsLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sub-Advisor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Carrying Amount and Estimated Fair Value of Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M12ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M12 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M12ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M12 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfAmortizationOfAcquiredInPlaceLeaseValueAboveAndBelowMarketLeaseValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Amortization Pertaining to Acquired in Place Lease Value, Above Market and Below Market Lease Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfAmortizationOfAcquiredInPlaceLeaseValueAboveAndBelowMarketLeaseValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Amortization of Acquired In Place Lease Value Above and Below Market Lease Value [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfAmortizationOfAcquiredInPlaceLeaseValueAboveAndBelowMarketLeaseValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of amortization of acquired in place lease value above and below market lease value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M8 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M8 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A10 and M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A10 and M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstateCostOfMortgagesSold_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Sale of loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstateCostOfMortgagesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Cost of Mortgage Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstateCostOfMortgagesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commercial mortgage loans sold amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loan on real estate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loan On Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Book Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash, cash equivalents and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M9 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M9 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of independent directors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Independent Directors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of independent directors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M5 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M5 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued, price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgedStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledged Status [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Third Party Engaged [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Addison TX Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison TX Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison TX Loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M12ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M12 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M12ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M12 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateCapitalExpenditures_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Real estate capital expenditures</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateCapitalExpenditures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Capital Expenditures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateCapitalExpenditures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate capital expenditures.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets, net operating losses have no expiration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDeferredLoanOriginationFeesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Deferred Loan Origination Fees, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDeferredLoanOriginationFeesNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization of origination fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageMaximumMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Maximum Maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageMaximumMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Weighted Average Maximum Maturity Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageMaximumMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate weighted average maximum maturity period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash, Cash Equivalents and Restricted Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A3 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of the Impact of Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableLoanSettledWithFullSatisficationOfAllObligationsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Loan Settled with Full Satisfication of all Obligations , Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableLoanSettledWithFullSatisficationOfAllObligationsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing Receivable, Loan Settled with Full Satisfication of all Obligations , Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableLoanSettledWithFullSatisficationOfAllObligationsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Settled with full satisfication of all obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option to extend maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility Option To Extend Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line Of Credit Facility Option To Extend Maturity Date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment grade four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Grade Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Grade Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfAggregateNetAssetValuePerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate net asset value per quarter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfAggregateNetAssetValuePerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Aggregate Net Asset Value Per Quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfAggregateNetAssetValuePerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate net asset value per quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrivateOfferingAndIPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private Offering and IPO.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrivateOfferingAndIPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Offering And I P O [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrivateOfferingAndIPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offerings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A3 and M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A3 and M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M3 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M3 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A7AndM7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A7 and M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A7AndM7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A6 and M7 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred debt finance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Issuance Costs, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A10 and M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A10 and M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsFiscalYearMaturityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SubscriptionAgreementMinimumNumberOfSharesHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription agreement minimum number of shares held.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SubscriptionAgreementMinimumNumberOfSharesHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement Minimum Number Of Shares Held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SubscriptionAgreementMinimumNumberOfSharesHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription agreement, minimum number of shares to be held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansMortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansMortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loans Mortgage Loans On Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansMortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loans mortgage loans on real estate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentVariableInterestRateTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Variable Interest Rate, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan seventeen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Seventeen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 17</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPayableMonthlyDistributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend payable monthly distribution amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPayableMonthlyDistributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Payable Monthly Distribution Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPayableMonthlyDistributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross monthly distribution amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Repurchase Program</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 23</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M5 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M8 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M8 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vesting [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LondonInterbankOfferedRatesLiborMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">London Interbank Offered Rate</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LondonInterbankOfferedRatesLiborMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">London interbank offered rates.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAndCreditFacilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase and credit facility.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAndCreditFacilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase And Credit Facility [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan twelve.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Twelve [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 12</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeniorLoanParticipationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior loan participations.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeniorLoanParticipationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Loan Participations</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A7 Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanSoldMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Repurchase Agreements [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Outstanding Repurchase Agreements</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Converted In Period Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Converted, Weighted average grant date fair value per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InlandRealEstateInvestmentCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inland Real Estate Investment Corporation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InlandRealEstateInvestmentCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inland Real Estate Investment Corporation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InlandRealEstateInvestmentCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inland Real Estate Investment Corporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M6 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M6 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Amortization Income, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsSoldFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan participations sold fair value disclosure,</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsSoldFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Participations Sold Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsSoldFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan participations sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M3 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Amortization Income, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A7AndM7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A7 and M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A7AndM7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A7 and M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MultifamilyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Multifamily [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MultifamilyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Multifamily</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SummaryOfLoanParticipationsSoldTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Loan Participations Sold Table [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArborMistAndParkviewMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Arbor Mist and Parkview Acquisition</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArborMistAndParkviewMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Arbor Mist and Parkview.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends payable record date</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Record date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IntangibleLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Intangible liabilities.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SanDiegoCaLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">San Diego, CA loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SanDiegoCaLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">San Diego, CA Loan</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Twenty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 20</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAdoptionOfAsu201613_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Adoption of ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAdoptionOfAsu201613_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adoption of ASU 2016-13, Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAdoptionOfAsu201613_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Adoption Of ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAdoptionOfAsu201613_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate adoption of asu 2016-13.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateDeferredInterestCapitalizedOnRealEstateLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate deferred interest capitalized on real estate loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateDeferredInterestCapitalizedOnRealEstateLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred interest capitalized on real estate loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Repurchase Program</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NonaccrualStatusEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Nonaccrual status effective date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NonaccrualStatusEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonaccrual Status Effective Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NonaccrualStatusEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nonaccrual status effective date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M6 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M6 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Recognition, Interest [Policy Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionSellingCommissionsAndDealerManagerFeesFromTransactionsWithRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction selling commissions and dealer manager fees from transactions with related party.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionSellingCommissionsAndDealerManagerFeesFromTransactionsWithRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selling commissions and dealer manager fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArborMistMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Arbor Mist [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArborMistMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Arbor mist.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ArborMistMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Arbor Mist Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditFacilityPayablePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditFacilityPayablePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility Payable Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditFacilityPayablePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit Facility Payable.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A4AndM4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A4 and M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A4AndM4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A4 and M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MultifamilyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Multifamily One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MultifamilyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Multifamily one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MultifamilyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Multifamily one</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfOfferingCostsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursement Of Offering Costs From Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfOfferingCostsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursement of offering costs from related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfOfferingCostsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursement of offering costs from the Advisor</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForReversalOfCreditLoanAllowanceLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loan on real estate provision for (reversal of) credit loan allowance losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForReversalOfCreditLoanAllowanceLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reversal of (provision for) credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' Equity:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableNonaccrualInterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Nonaccrual, Interest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableNonaccrualInterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income accrued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AssetSpecificCeclReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset-specific CECL reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AssetSpecificCeclReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset-specific CECL Reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AssetSpecificCeclReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset-specific cecl reserve.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First Mortgage Loan eight.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Eight [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 8</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Accrued Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAssetSpecificAllowanceForCreditLossPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase in asset specific CECL reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAssetSpecificAllowanceForCreditLossPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Asset Specific Allowance for Credit Loss, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAssetSpecificAllowanceForCreditLossPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, asset specific allowance for credit loss, period increase (decrease).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CashFlowReserveDeposit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow Reserve Deposit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CashFlowReserveDeposit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash flow reserve deposit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CashFlowReserveDeposit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flow reserve deposit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationAgreementInterestDue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned loan participation agreement interest due.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationAgreementInterestDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans Outstanding Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Loans Outstanding Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loan outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M12 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M12 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M12 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M3 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M3 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 4</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MemphisTnLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Memphis, TN loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MemphisTnLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Memphis, TN Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MemphisTnLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Memphis, TN Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreasedInterestRateDueToFailureToMeetTheMinimumDepositBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increased interest rate due to failure to meet the minimum deposit balance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreasedInterestRateDueToFailureToMeetTheMinimumDepositBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increased Interest Rate Due To Failure To Meet The Minimum Deposit Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreasedInterestRateDueToFailureToMeetTheMinimumDepositBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increased interest rate due to failure to meet the minimum deposit balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_WaiveReimbursementOnQuarterlyBasisTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Waive reimbursement on quarterly basis terms.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_WaiveReimbursementOnQuarterlyBasisTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Waive Reimbursement On Quarterly Basis Terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_WaiveReimbursementOnQuarterlyBasisTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Waive reimbursement on quarterly basis terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class A Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted, Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dilutive effect of restricted stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfLoansReceivableOnCommercialMortgage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of loans receivable on commercial mortgage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfLoansReceivableOnCommercialMortgage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Loans Receivable on Commercial Mortgage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfLoansReceivableOnCommercialMortgage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of loans receivable on commercial mortgage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finite-lived intangible assets, amortization expense, maturity schedule [table].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M8 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M8 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan twenty two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Twenty Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 22</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan fourteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Fourteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 14</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment of Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment charges on loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M4 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M4 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRelatedToAssetSpecificComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loans Related To Asset Specific Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRelatedToAssetSpecificComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loans related to asset specific component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRelatedToAssetSpecificComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease, Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest on lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Per Share Data</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIABILITIES AND EQUITY</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementsAndCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase agreements and credit facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementsAndCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreements And Credit Facility [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementsAndCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase Agreements And Credit Facility [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M1 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M1 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M7 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M7 Class T Common Stock Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Role of Management [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfLoansAndLeasesHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of commercial loan</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfLoansAndLeasesHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Sale, Loan and Lease, Held-for-Investment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A6 and M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A6 and M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase Agreement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase agreement line items.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForInvestmentPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Held-for-Investment [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForInvestmentPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Mortgage Loans Held for Investment and Allowance for Loan Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Principal Repayment, Loan and Lease, Held-for-Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal repayments of commercial loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Available For Sale Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loan Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loan maturity date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loan maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M5 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M5 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M5 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M5 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfStockAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfStockAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock Average Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfStockAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock average price per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase Agreements, Credit Facility and Mortgage Loan Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit loan two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Loan Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Loan 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://fasb.org/us-gaap/role/label/axisDefault">Portion at Fair Value Measurement [Member] [Default]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Portion at Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A10 and M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A10 and M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AtlasRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Atlas Repo Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AtlasRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Atlas Repo Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AtlasRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Atlas repo facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A6 and M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A6 and M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableMaturityDefaultInterestWaived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Maturity Default Interest Waived</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableMaturityDefaultInterestWaived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable maturity default interest waived.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableMaturityDefaultInterestWaived_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Financing receivable, waived maturity default interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Finance lease right of use asset, gross</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease, right-of-use asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M1 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M1 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M1 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M1 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M6 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M6 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OrganizationAndBusinessOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and business operations.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateInvestmentPropertyNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Investment Property, Net</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M2 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M2 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockholderServicingFeePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stockholder servicing fee per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockholderServicingFeePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholder Servicing Fee Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockholderServicingFeePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholder servicing fee per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockholderServicingFeePerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Stockholder servicing fee per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Debt and Equity Securities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A1AndM1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A1 and M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A1AndM1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A1 and M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateReversalOfCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans on Real Estate Reversal of Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateReversalOfCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate reversal of credit losses.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net change in cash, cash equivalents and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A11AndM11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A11 And M11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A11AndM11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A11 and M11 dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLand_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned, Land</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive restricted shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased and Retired During Period, Shares</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M2 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M2 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real estate operating expenses</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate operating expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M12ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M12 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M12ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M12 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfPropertyEarnestMoneyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of property earnest money received</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfPropertyEarnestMoneyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of property earnest money received.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A11AndM11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A11 And M11 Dividends ]Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A11AndM11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A11 And M11 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Grade One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment grade one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Grade One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Principal Payments On Securities Sold Under Agreements To Repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Principal repayments of repurchase agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Amortization Income, Year Five</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fixed current rate</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Year 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A2 and M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A2 and M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Credit Quality Indicator [Line Items]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common class P.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class P Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M7 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M7 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan ten.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DocumentAndEntityInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Document and entity information/</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment grade five.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Grade Five</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M4 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M4 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficesPropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of office properties</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficesPropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of offices properties acquired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimate of Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M11 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Restricted Stock Award, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Fair Value of Grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M1 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M1 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationPaydownOfAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Paydown of accrued and unpaid interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationPaydownOfAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned Loan Participation Paydown of Accrued and Unpaid Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationPaydownOfAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned loan participation paydown of accrued and unpaid interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison, TX [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison, tx [member].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonTxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Addison, TX</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvesteeSignificantInvestmentStartegiesDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Investee Significant Investment Strategies, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvesteeSignificantInvestmentStartegiesDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net asset value description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold under Agreements to Repurchase, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value By Balance Sheet Grouping [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M11 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M11 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Outstanding ending balance, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Outstanding beginning balance, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M1 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M1 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrincipalRepaymentsOfLoanParticipations_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Principal repayments of loan participations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrincipalRepaymentsOfLoanParticipations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Principal Repayments Of Loan Participations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PrincipalRepaymentsOfLoanParticipations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Principal repayments of loan participations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDebtFinanceCostsToInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization of debt finance costs to interest expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDebtFinanceCostsToInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Of Debt Finance Costs To Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDebtFinanceCostsToInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt finance costs to interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M12 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M11 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M11 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liabilities Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M11 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M11 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_GainLossRecognizedForeclosureTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss Recognized Foreclosure Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_GainLossRecognizedForeclosureTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain loss recognized foreclosure transaction.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_GainLossRecognizedForeclosureTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain loss recognized foreclosure transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAccruedMaturityDefaultInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Accrued Maturity Default Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAccruedMaturityDefaultInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable accrued maturity default interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAccruedMaturityDefaultInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing receivable accrued maturity default interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Lender [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of Credit Facility, Lender</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Real estate owned, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real estate owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Real estate owned, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Interest Receivable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accrued interest receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M3 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M3 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M9 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired lease intangible liabilities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Below Market Lease, Net, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Below Market Lease, Net, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Acquired lease intangible liabilities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreaseDecreaseToRentalIncomeDueToAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (decrease) to rental income due to amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreaseDecreaseToRentalIncomeDueToAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease To Rental Income Due To Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreaseDecreaseToRentalIncomeDueToAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization recorded as a (reduction) increase to rental income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Professional service fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LasVegasNvMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Las Vegas, NV [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LasVegasNvMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Las Vegas, NV.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LasVegasNvMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Las Vegas, NV Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Redemption Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, redemption price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FitzMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fitz [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FitzMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fitz.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FitzMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fitz Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M9 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M9 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PaymentOfOrganizationAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment of organization and offering expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PaymentOfOrganizationAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Of Organization And Offering Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PaymentOfOrganizationAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment of organization and offering expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FirstMortgageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FirstMortgageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FirstMortgageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">First Mortgage Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketable Securities, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Securities at Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateTransferOnForeclosureToRealEstateOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Transfer On Foreclosure To Real Estate Owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateTransferOnForeclosureToRealEstateOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate transfer on foreclosure to real estate owned.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateTransferOnForeclosureToRealEstateOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer on foreclosure to real estate owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateTransferOnForeclosureToRealEstateOwned_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Transfer on foreclosure to real estate owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Operating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Convertible Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net proceeds after underwriter's discount and issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividends, Per Share, Cash Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual dividend per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CECLReserveOnLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CECL reserve on loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CECLReserveOnLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CECL Reserve On Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CECLReserveOnLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CECL reserve on loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan six.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Six [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 6</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proportion of total shares that vest annually</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of restricted shares at vesting date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseCommencementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lessee finance lease commencement date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseCommencementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Finance Lease Commencement Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseCommencementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease, commencement date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OrganizationAndOfferingExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and offering expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OrganizationAndOfferingExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Offering Expenses Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OrganizationAndOfferingExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Offering Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment grade three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Grade Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Grade Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionsPayablePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distributions payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionsPayablePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distributions Payable Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionsPayablePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdvisorSubAdvisorAndDealerManagerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor, Sub-Advisor and Dealer Manager.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdvisorSubAdvisorAndDealerManagerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor Sub Advisor And Dealer Manager [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdvisorSubAdvisorAndDealerManagerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor, Sub-Advisor and Dealer Manager</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDebtFinanceCostsToOperatingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization of debt finance costs to operating expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDebtFinanceCostsToOperatingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Of Debt Finance Costs To Operating Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDebtFinanceCostsToOperatingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt finance costs to operating expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A5 and M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A5 and M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyFixedComponentOfAdvisoryFeeAsPercentOfNetAssetValueOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Monthly fixed component of advisory fee as percent of net asset value of assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyFixedComponentOfAdvisoryFeeAsPercentOfNetAssetValueOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Monthly Fixed Component Of Advisory Fee As Percent Of Net Asset Value Of Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyFixedComponentOfAdvisoryFeeAsPercentOfNetAssetValueOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of net asset value of assets, paid monthly</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M11 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M11 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Acquisition, Loan, Held-for-Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Origination/funding of commercial loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repo facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repo Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repo Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPayableDailyDistributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend payable daily distribution amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPayableDailyDistributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Payable Daily Distribution Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPayableDailyDistributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Daily distribution amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M11ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M11 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M11ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M11 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M4 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M4 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M9 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M9 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposition of Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">6.75% Series A Cumulative Redeemable Preferred Stock, $0.001 par value, 4,025,000 shares authorized, 3,544,553 shares issued and outstanding as of December 31, 2025 and December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentWeightedAveragePeriodToMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument weighted average period to maturity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentWeightedAveragePeriodToMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Weighted Average Period To Maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentWeightedAveragePeriodToMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Days to Maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NetAssetsAcquiredUponForeclosureOfCommercialLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Assets Acquired Upon Foreclosure Of Commercial Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NetAssetsAcquiredUponForeclosureOfCommercialLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net assets acquired upon foreclosure of commercial loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NetAssetsAcquiredUponForeclosureOfCommercialLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net assets acquired upon foreclosure of commercial loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M4 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M4 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock dividends per share declared net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Dividends Per Share Declared Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant Date Fair Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_EbitdaToFixedChargesRatioForTrialingFourQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EBITDA to Fixed Charges ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_EbitdaToFixedChargesRatioForTrialingFourQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBITDA to Fixed Charges Ratio for Trialing Four Quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_EbitdaToFixedChargesRatioForTrialingFourQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBITDA to fixed charges for trialing four quarter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M4 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M4 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestRateOnLoanParticipantsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate interest rate on loan participants sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestRateOnLoanParticipantsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Interest Rate On Loan Participants Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestRateOnLoanParticipantsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate on loan participants sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_WesternAllianceCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Western Alliance Credit Facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_WesternAllianceCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Western Alliance Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_WesternAllianceCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Western Alliance Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office two .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfExcessReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance component of advisor fee as percent of excess return.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfExcessReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Performance Component Of Advisor Fee As Percent Of Excess Return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfExcessReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of excess total return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansApplicableReferenceRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loans applicable reference rate percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansApplicableReferenceRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans Applicable Reference Rate Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansApplicableReferenceRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans applicable reference rate percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfAcquiredAboveAndBelowMarketLeasesNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization of acquired above- and below-market leases, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfAcquiredAboveAndBelowMarketLeasesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Acquired Above- And Below-market Leases, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfAcquiredAboveAndBelowMarketLeasesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization of acquired above- and below-market leases, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of commercial mortgage loans held for investment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Commercial Mortgage Loans Held For Investment Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Commercial Mortgage Loans Held for Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfMortgageLoansOnRealEstatePropertyOccupied_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of mortgage loans on real estate property occupied</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfMortgageLoansOnRealEstatePropertyOccupied_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Mortgage Loans On Real Estate Property Occupied</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfMortgageLoansOnRealEstatePropertyOccupied_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of mortgage loans on real estate property occupied.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M10 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividends Per Share, Declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate gross distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ExpenseLimitationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expense limitation agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ExpenseLimitationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expense Limitation Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ExpenseLimitationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expense Limitation Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M3 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M3 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share repurchase program.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Repurchase Program</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M10 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Future Minimum Lease Payments to be Received Under Non-cancelable Operating Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative net operating losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common class D.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class D [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class D Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class D Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies (Note 8)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Leases [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M4 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M4 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Outstanding ending balance, Weighted average grant date fair value per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Outstanding beginning balance, Weighted average grant date fair value per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CharlotteNCAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Charlotte NC Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CharlotteNCAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Charlotte NC acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CharlotteNCAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charlotte, NC Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of common stock net of offering costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Common Stock Net Of Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of common stock, net of offering costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M4 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M4 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SummaryOfSignificantAccountingPoliciesDisclosuresLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SummaryOfSignificantAccountingPoliciesDisclosuresLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies Disclosures [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SummaryOfSignificantAccountingPoliciesDisclosuresLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies Disclosures [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossesAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel">Balance at beginning of period after adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossesAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Balance at beginning of period after adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossesAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance For Credit Losses After Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossesAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, allowance for credit losses after adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DeferredInterestCapitalizedOnRealEstateLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred interest capitalized on real estate loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DeferredInterestCapitalizedOnRealEstateLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred interest capitalized on real estate loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate spread</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividend Rate, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of dividend rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RiskRatingForCommercialMortgageLoansHeldForInvestmentAndRealEstateSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risk Rating For Commercial Mortgage Loans Held For Investment And Real Estate Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RiskRatingForCommercialMortgageLoansHeldForInvestmentAndRealEstateSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Risk rating for commercial mortgage loans held for investment and real estate securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RiskRatingForCommercialMortgageLoansHeldForInvestmentAndRealEstateSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk rating for commercial mortgage loans held for investment and real estate securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfPropertyAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Property Acquired</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A7AndM7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A7 and M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M2 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M2 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 7</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ParkviewMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Parkview [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ParkviewMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Parkview.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M7 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CurrentExpectedCreditLossesReserveChargeOffOnAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Expected Credit Losses Reserve Charge-off On Acquisitions</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CurrentExpectedCreditLossesReserveChargeOffOnAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CECL reserve charge-off on acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common class T.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class T Common Stock</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfDaysToUnderwriterToAdditionalPreferredShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option to purchase additional shares for underwriters, number of days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A6 And M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A6AndM6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A6 And M6 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), Operating</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued capital expenditures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accrued capital expenditures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Land</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial mortgage loans at cost</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at Beginning of Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Financing Receivable, before Allowance for Credit Loss, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, before Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Gross</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonOrIrvingTXMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Addison or Irving TX</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonOrIrvingTXMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison or Irving TX [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonOrIrvingTXMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison or Irving TX.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans risk rated four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loans Risk Rated Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loans risk rated four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAcquiredInPlaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired in-place lease value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAcquiredInPlaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases, Acquired-in-Place [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAcquiredInPlaceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">In-Place Leases</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestRateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Interest Rate Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestRateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Coupon</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_KansasCityMOAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Kansas City MO Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_KansasCityMOAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Kansas City MO acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_KansasCityMOAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Kansas City, MO Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M5ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M5 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M5ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M5 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ConvertibleByOptionTermLoanInitialMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible by option term loan initial maturity period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ConvertibleByOptionTermLoanInitialMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible By Option Term Loan Initial Maturity Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ConvertibleByOptionTermLoanInitialMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible by option term loan initial maturity period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares outstanding, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation state and local income taxes net of federal benefit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation State And Local Income Taxes Net Of Federal Benefit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State rate net of federal benefit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TwoThousandTwentyFiveAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025 Acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TwoThousandTwentyFiveAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Five Acquisitions [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TwoThousandTwentyFiveAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty five acquisitions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M11 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M11 class D And class T common stock dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M3 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M3 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A5 And M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A5 And M5 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOriginationAndExtensionFeesNetCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate origination and extension fees net capitalized.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOriginationAndExtensionFeesNetCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Origination And Extension Fees Net Capitalized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOriginationAndExtensionFeesNetCapitalized_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Origination fees and extension fees received on commercial loans</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M11ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M11 class T common stock dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Mortgage Loans Held for Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from issuance of private offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transactions with Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M10 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M10 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M12 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M12 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IrvingTxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Irving Tx [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IrvingTxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Irving Tx [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IrvingTxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Irving, Tx</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Sold under Agreements to Repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amount Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Securities Sold under Agreements to Repurchase, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M8 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M8 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M10 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M10 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InlandInPointAdvisorLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inland InPoint Advisor limited liability company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InlandInPointAdvisorLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inland In Point Advisor Limited Liability Company [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InlandInPointAdvisorLimitedLiabilityCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders' equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M12ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M12 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M12ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M12 class D and class T common stock dividends .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2026M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Dividends Common Stock Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2026M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O2026 M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2026M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O2026 M2 Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M6 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Accounting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MixedUsePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mixed use property.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MixedUsePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mixed Use Property [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MixedUsePropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mixed Use</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan, Held-in-Portfolio, Principal Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loan, Held-in-Portfolio, Principal Outstanding, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding principal balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M12 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M12 class T common stock dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Year 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesRecoveries_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest reserve through maturity added to the principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesRecoveries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate net asset value of shares repurchased per month.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Net Asset Value Of Shares Repurchased Per Month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate net asset value of shares repurchased per month</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfMortgageLoansOnRealEstateByLoanDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of mortgage loans on real estate by loan disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfMortgageLoansOnRealEstateByLoanDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Mortgage Loans On Real Estate By Loan Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfMortgageLoansOnRealEstateByLoanDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule IV - Mortgage Loans on Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in CECL reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionUpfrontSellingCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction upfront selling commission percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionUpfrontSellingCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Upfront Selling Commission Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionUpfrontSellingCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of upfront selling commission</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUnamortizedCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate unamortized costs net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUnamortizedCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Unamortized Costs Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUnamortizedCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unamortized (fees)/costs, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Payments for) in Securities Sold under Agreements to Repurchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from repurchase agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateAnnualizedGrossDividendDeclaredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate annualized gross dividend declared.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateAnnualizedGrossDividendDeclaredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Annualized Gross Dividend Declared [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateAnnualizedGrossDividendDeclaredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Annualized Gross Dividend Declared of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditLossFinancialInstrumentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditLossFinancialInstrumentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Loss, Financial Instrument [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfRealEstateOwnedAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Real Estate Owned Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfRealEstateOwnedAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of real estate owned assets [table text block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfRealEstateOwnedAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Real Estate Owned Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Cash Cash Equivalents and Restricted Cash [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Cash Cash Equivalents and Restricted Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of reconciliation of cash, cash equivalents and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M6 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M6 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-Allotment Option [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Over-Allotment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Adoption of ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel">Balance at End of Period, Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel">Balance at Beginning of Year, Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Financing Receivable, Allowance for Credit Loss, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Financing Receivable, Allowance for Credit Loss, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value of Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MultifamilyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Multifamily Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MultifamilyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Multifamily two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MultifamilyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Multifamily two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Lease Payments for the Ground Lease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Date Declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions declared date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReductionInTheCarryingAmountOfTheRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduction in the carrying amount of the right-of-use asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReductionInTheCarryingAmountOfTheRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reduction In The Carrying Amount Of The Right Of Use Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReductionInTheCarryingAmountOfTheRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction in the carrying amount of the right-of-use asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdjustmentsToAdditionalPaidInCapitalStockIssuedReimbursementIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Stock Issued, Reimbursement Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdjustmentsToAdditionalPaidInCapitalStockIssuedReimbursementIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments to additional paid in capital, stock issued, reimbursement issuance costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdjustmentsToAdditionalPaidInCapitalStockIssuedReimbursementIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursement of offering costs (Note 10)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Total Stock Grants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Five [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office five .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M5 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M5 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionLoanFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction loan fees.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionLoanFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCollateralAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCollateralAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Collateral Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A10 And M10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A10AndM10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A10 and M10 dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities and Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses and other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Effective Date of Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Acquired, Finite-Lived [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedThree_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loans risk rated three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loans Risk Rated Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans risk rated three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M3 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M3 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M5 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M5 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizationOfDeferredFeesAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate amortization of deferred fees and expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizationOfDeferredFeesAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Amortization Of Deferred Fees And Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizationOfDeferredFeesAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of loan origination and deferred exit fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizationOfDeferredFeesAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amortization of deferred fees and expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeriesAPreferredRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A preferred repurchase program.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeriesAPreferredRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Preferred Repurchase Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeriesAPreferredRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Preferred Repurchase Program</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A10 dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan eighteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 18</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M6 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M6 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ColumnFinancialRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Column financial repo facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ColumnFinancialRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Column Financial Repo Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ColumnFinancialRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CF Repo Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionsDeclaredTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distributions declared.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionsDeclaredTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distributions Declared [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionsDeclaredTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions Declared [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstatePeriodicPaymentTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Periodic Payment Terms</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PortlandOrLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Portland, OR Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PortlandOrLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Portland, OR Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PortlandOrLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portland, OR Loan</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseTerminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lessee finance lease termination description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseTerminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Finance Lease Termination Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseTerminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee finance lease termination description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M3 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M3 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Expertise of Management Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M5 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M5 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Amortization Income, Year Two</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredAboveMarketLeaseValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Acquired Above Market Lease Value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredAboveMarketLeaseValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired above-market lease value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanSecuredOvernightFinancingRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash coupon</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanSecuredOvernightFinancingRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loan, Secured Overnight Financing Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanSecuredOvernightFinancingRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loan, secured overnight financing rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A2 and M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A2 and M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyNetDistributionDeclaredOfClassTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monthly Net Distribution Declared of Class T Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyNetDistributionDeclaredOfClassTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Monthly Net Distribution Declared Of Class T Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyNetDistributionDeclaredOfClassTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Monthly net distribution declared of class T common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Fair Value of Assumed Assets and Liabilities on the Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DiscountedPayoffAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discounted Payoff Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DiscountedPayoffAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discounted Payoff Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DiscountedPayoffAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Discounted payoff agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Held [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M12 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M12 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M2 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M2 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 19</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchased of common stock shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonOrIrvingTXLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison or Irving TX Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonOrIrvingTXLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison or Irving TX Loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonOrIrvingTXLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Addison or Irving TX Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfStockHolderServicingFeeOnNetAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of stock holder servicing fee on net asset value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfStockHolderServicingFeeOnNetAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Stock Holder Servicing Fee On Net Asset Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfStockHolderServicingFeeOnNetAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of stockholder servicing fees on net asset value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A8 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reportable Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reportable segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUndividedSubordinateInterestRetained_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate undivided subordinate interest retained.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUndividedSubordinateInterestRetained_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Undivided Subordinate Interest Retained</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUndividedSubordinateInterestRetained_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Undivided subordinate interest retained</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationAccruedButUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned Loan Participation Accrued but Unpaid Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationAccruedButUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned loan participation accrued but unpaid interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationAccruedButUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued but unpaid interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M6 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M6 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M4 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M4ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M4 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfLoanExtensionFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization of loan extension fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfLoanExtensionFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Of Loan Extension Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfLoanExtensionFees_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization of loan extension fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M8 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M8 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M4 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M4 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M8 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M8 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net (loss) income before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taxable income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (loss) income before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M2 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M2 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AnnualizedBasisExpenseLimitPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annualized basis expense limit percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AnnualizedBasisExpenseLimitPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annualized Basis Expense Limit Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AnnualizedBasisExpenseLimitPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annualized basis expense limit percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RiskLevelVeryHighMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risk Level Very High [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RiskLevelVeryHighMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Risk level very high [member].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RiskLevelVeryHighMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk Level Very High</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionsOperatingExpenseReimbursementToAdvisor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transactions operating expense reimbursement to advisor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionsOperatingExpenseReimbursementToAdvisor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Operating Expense Reimbursement To Advisor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionsOperatingExpenseReimbursementToAdvisor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expense reimbursement to Advisor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyNetDistributionDeclaredOfClassDCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monthly Net Distribution Declared of Class D Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyNetDistributionDeclaredOfClassDCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Monthly Net Distribution Declared Of Class D Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MonthlyNetDistributionDeclaredOfClassDCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Monthly net distribution declared of class D common stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableModificationFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Modification fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableModificationFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modification Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableModificationFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable modification fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Due to Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Due to Related Parties, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total cash, cash equivalents, and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A4AndM4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A4 and M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A4AndM4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A4 and M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Basis [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TroubledDebtRestructuringsAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Troubled debt restructurings amortized cost basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TroubledDebtRestructuringsAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Troubled Debt Restructurings Amortized Cost Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TroubledDebtRestructuringsAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Troubled debt restructurings amortized cost basis.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MinimumEbitdaToFixedChargesRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum EBITDA to fixed charges.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MinimumEbitdaToFixedChargesRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum EBITDA to Fixed Charges Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MinimumEbitdaToFixedChargesRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred dividends plus interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateFaceAmountOfMortgages_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateFaceAmountOfMortgages_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A3 And M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A3 And M3 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title and Position [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of Individual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfCumulativeRedeemablePreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of cumulative redeemable preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfCumulativeRedeemablePreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Cumulative Redeemable Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfCumulativeRedeemablePreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of cumulative redeemable preferred stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M11 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanAllowanceLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Provision for credit losses, Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanAllowanceLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loan On Real Estate (Provision For) Credit Loan Allowance Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanAllowanceLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loan on real estate (provision for) credit loan allowance losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanAllowanceLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for credit losses, Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Redeemed or Called During Period, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redemptions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestIncomeRecognizedFromMortgageLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income recognized from mortgage loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestIncomeRecognizedFromMortgageLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income Recognized From Mortgage Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestIncomeRecognizedFromMortgageLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest income recognized from mortgage loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursableDeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursable deferred offering costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursableDeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursable Deferred Offering Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursableDeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursable deferred offering costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfMortgageLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Sale of Mortgage Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfMortgageLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net realized (loss) gain on disposition of commercial loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfMortgageLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized loss (gain) on disposition of commercial loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfMortgageLoans_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net realized loss (gain) on disposition of commercial loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted-average acquired lease intangibles</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M2 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M2 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Credit Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BelowMarketLeaseAmortizationIncomeAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease, Amortization Income, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption, Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeniorLoanParticipationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior loan participations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeniorLoanParticipationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Loan Participations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeniorLoanParticipationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Loan Participations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue [Policy Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SharesIssuedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares issued average price per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SharesIssuedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued Average Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SharesIssuedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued, average price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vesting [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M9 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M9 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedBuildingAndImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned, Building and Improvements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedBuildingAndImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned, building and improvements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedBuildingAndImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Building and improvements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M7 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M7 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A8 and M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A8 and M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateMonthlyGrossDividendDeclaredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate monthly gross dividend declared.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateMonthlyGrossDividendDeclaredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Monthly Gross Dividend Declared [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregateMonthlyGrossDividendDeclaredMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Monthly Gross Dividend Declared of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M9 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M9 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A9AndM9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A9 and M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A9AndM9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A9 and M9 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AccruedStockholderServicingFeeDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued stockholder servicing fee due to related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AccruedStockholderServicingFeeDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Stockholder Servicing Fee Due To Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AccruedStockholderServicingFeeDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued stockholder servicing fee, payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M5 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAccruedInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Financing receivable accrued interest rate, Paid-in-kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAccruedInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Accrued Interest Rate Paid-in-Kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAccruedInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable accrued interest rate paid-in-kind.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Dividends_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Dividends_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Dividends_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Dividends, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M7 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M7 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M7 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Credit Quality Indicators [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Investment Grade of Loans Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease, Right-of-Use Asset, Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of right-of-use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BelowMarketLeaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Leases acquired as part of a real property acquisition at below market lease rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BelowMarketLeaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Market Lease [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BelowMarketLeaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired below market lease value [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BelowMarketLeaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Acquired below market leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finite-Lived Intangible Assets, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SubscriptionAgreementValueOfMinimumNumberOfSharesHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription agreement value of minimum number of shares held.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SubscriptionAgreementValueOfMinimumNumberOfSharesHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement Value Of Minimum Number Of Shares Held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SubscriptionAgreementValueOfMinimumNumberOfSharesHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription agreement, value of minimum number of shares to be held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares outstanding, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted average shares outstanding, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockNetDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock net dividends per share declared.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockNetDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Net Dividends Per Share Declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonStockNetDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Act File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions paid to common stockholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M10 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M10 class D and Class T common stock dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M8 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M3 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M3 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M2 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M2 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateNetFeesCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate net fees capitalized.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateNetFeesCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Net Fees Capitalized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateNetFeesCapitalized_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net fees capitalized into carrying value of loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M7 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M7ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M7 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M11 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M11 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forfeited, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateSpreadOnLoanParticipationsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate spread on loan participations sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateSpreadOnLoanParticipationsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Spread On Loan Participations Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateSpreadOnLoanParticipationsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Spread on loan participations sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfAggregateReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance component of advisor fee as percent of aggregate return.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfAggregateReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Performance Component Of Advisor Fee As Percent Of Aggregate Return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfAggregateReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate total return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loans on real estate, outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate, outstanding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepurchaseAndResaleAgreementsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase and Resale Agreements Policy [Policy Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A6 Dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M12ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M12 Class D And Class T Common Stock Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M10ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M10 class D common stock dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_HotelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hotel [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A1AndM1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O2025 A1 And M1 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M11ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M11 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M11ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M11 Class D Common Stock Dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M11ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M11 Class T Common Stock Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M9 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateCollectionsOfPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A1 Dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">REO assets estimated useful lives</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M3ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M3 Class D Common Stock Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M9ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M9 Class D and Class T Common Stock Dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfAggregateNetAssetValuePerMonth_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate net asset value per month</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_GainLossOnRepurchaseAndRetirementOfPreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss On Repurchase And Retirement Of Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_GainLossOnRepurchaseAndRetirementOfPreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gain on repurchase and retirement of preferred stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_GainLossOnRepurchaseAndRetirementOfPreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on repurchase and retirement of preferred stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_GainLossOnRepurchaseAndRetirementOfPreferredStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on repurchase and retirement of preferred stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liabilities Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial liabilities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M11ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M11 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M10 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M10 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Amount</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BorrowingBasePeriodForEligiblePledgedAssetsBecomeIneligible_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Borrowing Base Period For Eligible Pledged Assets Become Ineligible</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BorrowingBasePeriodForEligiblePledgedAssetsBecomeIneligible_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowing base period for eligible pledged assets become ineligible</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Uncertain tax positions, income tax interest or penalties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OrganizationAndBusinessOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and business operations.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfIntangibleAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of identified intangible assets and liabilities.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfIntangibleAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Intangible Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares, outstanding</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateOwnedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock Offering</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A11 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A5 Dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M11 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUndividedSeniorInterestSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate undivided senior interest sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUndividedSeniorInterestSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Undivided Senior Interest Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateUndividedSeniorInterestSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Undivided senior interest sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M7ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M7 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M7ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M7 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansAtCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Mortgage Loans at Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansAtCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Mortgage Loans at Cost [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansAtCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial mortgage loans at cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (loss) income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentFloorInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument floor interest rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentFloorInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Floor Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentFloorInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loans floor interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PropertyTypeAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PropertyTypeAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Type Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PropertyTypeAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Property type acquired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M8 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M8 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M6 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntermediateLifePlantsUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intermediate-life Plants, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M2 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M2 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentLoanToAppraisedValuePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument loan-to-appraised value percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentLoanToAppraisedValuePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Loan To Appraised Value Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentLoanToAppraisedValuePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan-to-appraised value percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A2 And M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A2 And M2 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficePropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of office properties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficePropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Office Properties Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficePropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of office properties acquired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoanImpaired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans impaired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoanImpaired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loan Impaired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoanImpaired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loan impaired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NetAssetValuePerShareHighWatermark_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Asset Value per share High Watermark</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NetAssetValuePerShareHighWatermark_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net asset value per share high watermark.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NetAssetValuePerShareHighWatermark_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net asset value per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M6 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M6 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockIssuedDuringPeriodValueNewIssuesPreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value new issues preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockIssuedDuringPeriodValueNewIssuesPreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value New Issues Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockIssuedDuringPeriodValueNewIssuesPreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of preferred stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M10ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M10 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M10ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M10 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASSETS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common class S.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class S [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class S Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class S Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Prepaid expenses and other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M10 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M10 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A4AndM4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A4 And M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A4AndM4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A4 And M4 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAccruedStockholderServicingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction accrued stockholder servicing fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAccruedStockholderServicingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Accrued Stockholder Servicing Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAccruedStockholderServicingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued stockholder servicing fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAccruedStockholderServicingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued stockholder servicing fee due to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAccruedStockholderServicingFee_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accrued stockholder servicing fee due to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from investing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoanSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoanSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loan Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoanSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loan sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficeProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Office Properties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficeProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of office properties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfOfficeProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of office properties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnfundedLoanCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unfunded Loan Commitment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnfundedLoanCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unfunded Loan Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageYearToMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loan term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageYearToMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Years to Maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageYearToMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Weighted Average Year to Maturity Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageYearToMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate weighted average year to maturity period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends, Preferred Stock and Preference Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions paid to preferred stockholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M1 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A8 and M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A8 and M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M9 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M9 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A4 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleLineItem_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Line Item]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleLineItem_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finite-lived intangible assets, amortization expense, maturity schedule [line item].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M3 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M3 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M11ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M11 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M11ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M11 class D common stock dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTxAndCharlotteNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison and Irving Tx and Charlotte, N C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTxAndCharlotteNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison and irving tx and charlotte, n c.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office six .</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Five [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 5</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revision of Prior Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationIncreaseInAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned loan participation increase in accrued and unpaid interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationIncreaseInAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase in accrued and unpaid interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A1AndM1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A1 and M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A1AndM1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A1 and M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateRiskRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans on Real Estate, Risk Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateRiskRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate, risk rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateRiskRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior loans on real estate, risk rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateRiskRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loan risk rating as of acquisition date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdjustmentsToAdditionalPaidInCapitalDistributionReinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments to additional paid in capital, distribution reinvestment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdjustmentsToAdditionalPaidInCapitalDistributionReinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments To Additional Paid In Capital Distribution Reinvestment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdjustmentsToAdditionalPaidInCapitalDistributionReinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution reinvestment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfIntangibleAssetsAndLiabilitiesFutureAmortizationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of estimated amortization of the respective intangible lease assets and liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfIntangibleAssetsAndLiabilitiesFutureAmortizationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Intangible Assets And Liabilities Future Amortization Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfIntangibleAssetsAndLiabilitiesFutureAmortizationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Estimated Amortization of Intangible Lease Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTexasAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison and Irving Texas Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTexasAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison and IrvingTexas acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTexasAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Addison and Irving, Tx Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M8 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M8 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ExitCapitalizationRateOnImpairedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of exit capitalization rate on impaired loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ExitCapitalizationRateOnImpairedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exit Capitalization Rate on Impaired Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ExitCapitalizationRateOnImpairedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Exit capitalization rate on impaired loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M7 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M7 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfUpfrontDealerManagerFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of upfront dealer manager fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfUpfrontDealerManagerFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Upfront Dealer Manager Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfUpfrontDealerManagerFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of upfront dealer manager fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A9 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfCommercialRealEstateLoansWithRemainingFutureFundingCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of commercial real estate loans with remaining future funding commitment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfCommercialRealEstateLoansWithRemainingFutureFundingCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Commercial Real Estate Loans with Remaining Future Funding Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfCommercialRealEstateLoansWithRemainingFutureFundingCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of commercial real estate loans with remaining future funding commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M2 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M2 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (loss) income attributable to common stockholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (loss) income attributable to common stockholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LadderCapitalFinanceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ladder Capital Finance LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LadderCapitalFinanceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ladder Capital Finance LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LadderCapitalFinanceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ladder Capital Finance LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOccupancyPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loans on real estate occupancy percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOccupancyPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Occupancy Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateOccupancyPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate occupancy percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromLoanExtensionFeesReceivedOnCommercialLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from loan extension fees received on commercial loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromLoanExtensionFeesReceivedOnCommercialLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Loan Extension Fees Received On Commercial Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromLoanExtensionFeesReceivedOnCommercialLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan extension fees received on commercial loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfFutureSalePriceOfTheUnderlyingRealEstateCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of future sale price of the underlying real estate collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfFutureSalePriceOfTheUnderlyingRealEstateCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Future Sale Price Of The Underlying Real Estate Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfFutureSalePriceOfTheUnderlyingRealEstateCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of future sale price of the underlying real estate collateral.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M1 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M1ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M1 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetPledgedAsCollateralWithoutRightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Pledged as Collateral without Right [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetPledgedAsCollateralWithoutRightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate, amortized cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior loans on real estate, amortized cost basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amortized cost basis of loan as of acquisition date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A3 and M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A3AndM3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A3 and M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateLoan-To-Value_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">LTV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateLoan-To-Value_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan-to-value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateLoan-To-Value_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan-to-value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfLoansAndLeases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Sale of Loans and Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfLoansAndLeases_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Sale of Loans and Leases, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfLoansAndLeases_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Realized gain on sale of commercial loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan eleven.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Eleven [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 11</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans face amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at End of Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at Beginning of Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial mortgage loans at cost, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A9AndM9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A9 and M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A9AndM9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A9 and M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan fifteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Fifteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 15</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M10 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M10 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A1AndM1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A1 and M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A1AndM1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A1 and M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationMonthlyPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned Loan Participation Monthly Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationMonthlyPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned loan participation monthly payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedLoanParticipationMonthlyPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan participations monthly payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CharlotteNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Charlotte, N C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CharlotteNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Charlotte, NC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CharlotteNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charlotte, N C</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CharlotteNCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Charlotte, NC Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program, Remaining Authorized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional shares repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forfeited, Weighted average grant date fair value per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage Loans On Real Estate [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Redeemed or Called During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redemptions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M8 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M8 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanedAndRealEstateSecuritiesAreSoldUnderAgreementsToRepurchaseFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loaned and real estate securities are sold under agreements to repurchase fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanedAndRealEstateSecuritiesAreSoldUnderAgreementsToRepurchaseFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loaned And Real Estate Securities Are Sold Under Agreements To Repurchase Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanedAndRealEstateSecuritiesAreSoldUnderAgreementsToRepurchaseFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M6 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M6 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockAuthorizedDuringPeriodValuePrivateOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares authorized value, private offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockAuthorizedDuringPeriodValuePrivateOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Authorized During Period Value Private Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockAuthorizedDuringPeriodValuePrivateOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock authorized during period value private offering.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M8 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal Entity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O2025 M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O2025 M2 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends Common Stock Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned [abstract].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2026Q1PreferredADividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2026 Q1 Preferred A Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2026Q1PreferredADividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2026 Q1 preferred A dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2026Q1PreferredADividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends Series A Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PaymentOfSellingCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment of selling commissions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PaymentOfSellingCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Of Selling Commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PaymentOfSellingCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment of selling commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M6 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M6ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M6 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit loan one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Loan One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Loan 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentLoanToUnpaidBalancePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument loan-to-unpaid balance percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentLoanToUnpaidBalancePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Loan To Unpaid Balance Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtInstrumentLoanToUnpaidBalancePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan-to-unpaid balance percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RepurchaseAgreementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase Agreement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Uncertain tax positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unrecognized Tax Benefits, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Unrecognized Tax Benefits, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A9AndM9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A9 and M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A9AndM9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A9 and M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Mortgage-Backed Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Mortgage Loans</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfDaysNoticeRequiredByLenderPriorToMaturityDateForTerminationOfAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of days notice of termination prior to maturity date of agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfConversionFeeOfConvertibleByOptionTermLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of conversion fee of convertible by option term loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfConversionFeeOfConvertibleByOptionTermLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Conversion Fee Of Convertible By Option Term Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PercentageOfConversionFeeOfConvertibleByOptionTermLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of conversion fee of convertible by option term loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program, Authorized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share repurchase program, authorized amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adoption Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A8 and M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A8 and M8 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Related Party Transactions By Related Party [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_DirectorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Director [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_DirectorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Independent Directors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditFacilityPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit facility payable fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditFacilityPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility Payable Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CreditFacilityPayableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit facility payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Allowance for Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BelvedereAndMeridianMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Belvedere And Meridian [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BelvedereAndMeridianMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Belvedere and meridian.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BelvedereAndMeridianMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Belvedere and Meridian Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_JPMorganRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">JP morgan repo facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_JPMorganRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">J P Morgan Repo Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_JPMorganRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JP Morgan Repo Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_JPMorganRepoFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">JPM Repo Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseCurrentAndFiveSucceedingFiscalYearsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 16</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201613Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update 2016-13 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201613Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreference_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Liquidation Preference Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreference_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquidation preference per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromFinancingReceivableModifiedLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Financing Receivable Modified Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromFinancingReceivableModifiedLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from financing receivable modified loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ProceedsFromFinancingReceivableModifiedLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment received from borrower</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MinimumRequiredAverageUnrestrictedAggregateDepositAccountBalanceAmountToBeMaintained_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum required average unrestricted aggregate deposit account balance amount to be maintained</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MinimumRequiredAverageUnrestrictedAggregateDepositAccountBalanceAmountToBeMaintained_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Required Average Unrestricted Aggregate Deposit Account Balance Amount To Be Maintained</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MinimumRequiredAverageUnrestrictedAggregateDepositAccountBalanceAmountToBeMaintained_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum required average unrestricted aggregate deposit account balance amount to be maintained.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities or Other Assets Sold under Agreements to Repurchase [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Components</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NonaccrualBasisLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonaccrual Basis Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NonaccrualBasisLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nonaccrual basis loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NonaccrualBasisLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nonaccrual Basis Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other loss</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildingAndImprovements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed building and improvements.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M9 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M9 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M8 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M8ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M8 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ForbearanceAndModificationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forbearance And Modification Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ForbearanceAndModificationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Forbearance and modification agreement.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinanceLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finance lease cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinanceLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinanceLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total finance lease cost</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M2ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M2 Class D and Class T Common Stock Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DocumentAndEntityInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Document and entity information line Items.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DocumentAndEntityInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document And Entity Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DocumentAndEntityInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document And Entity Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noninterest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A2 and M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A2AndM2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 A2 and M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A12AndM12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A12 and M12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A12AndM12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A12 and M12 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RestonVaLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reston, VA Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RestonVaLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reston, VA loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentPortfolioTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of commercial mortgage loans held for investment portfolio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentPortfolioTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Commercial Mortgage Loans Held For Investment Portfolio Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentPortfolioTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Commercial Mortgage Loans held for Investment Portfolio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">IPO [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public Offerings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Initial Public Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A6DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A6 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TotalAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total CECL reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TotalAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel">Balance at End of Period, Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TotalAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel">Balance at Beginning of Year, Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_TotalAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total allowance for credit losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RevenueFromRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue from real estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RevenueFromRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Real Estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RevenueFromRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revenue from real estate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Depletion and Amortization, Nonproduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Depletion and Amortization, Nonproduction, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at End of Period, Carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at Beginning of Year, Carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, after Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial mortgage loans held for investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansSoldToThirdParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of Loans sold to third party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansSoldToThirdParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Loans Sold To Third Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansSoldToThirdParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans sold to third party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M8 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M8ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M8 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office one .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office one</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LocationAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Location Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LocationAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Location acquired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LocationAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions paid date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Date to be Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M9 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M9 Class D and Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Dividends Per Share Declared Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockDividendsPerShareDeclaredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock dividends per share declared net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M1 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M1 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfExpensesPayableTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursement of expenses payable term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfExpensesPayableTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursement Of Expenses Payable Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfExpensesPayableTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursement of expenses payable term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DirectorsCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Directors compensation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DirectorsCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Directors Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DirectorsCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Directors compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockIssuedDuringPeriodSharesAdministrativeCorrection_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Administrative Correction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockIssuedDuringPeriodSharesAdministrativeCorrection_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock Issued During Period, Shares, Administrative Correction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockIssuedDuringPeriodSharesAdministrativeCorrection_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Administrative correction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Expiration Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDeferredExitFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization of deferred exit fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDeferredExitFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Of Deferred Exit Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AmortizationOfDeferredExitFees_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization of deferred exit fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardUpdate201613_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Adoption of ASU 2016-13, increase to accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardUpdate201613_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss, Adoption Of Accounting Standard Update 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardUpdate201613_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing Receivable, Allowance for Credit Loss, Adoption Of Accounting Standard Update 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principles of Consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareIssuedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued, average price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareIssuedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Issued Average Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareIssuedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares issued average price per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Amounts of Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M4 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CurrentExpectedCreditLossesReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Expected Credit Losses Reserve</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CurrentExpectedCreditLossesReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CECL reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CurrentExpectedCreditLossesReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">CECL reserve as of acquisition date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsIncomeStatementImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Dividends, Income Statement Impact</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsIncomeStatementImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Preferred Stock dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsIncomeStatementImpact_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Series A Preferred Stock dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M4 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M4 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RevolvingCreditLiquidityLetterAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revolving credit liquidity letter agreements.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RevolvingCreditLiquidityLetterAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving Credit Liquidity Letter Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel">Adoption of ASU 2016-13</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Adoption of ASU 2016-13</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of period after adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate, After Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Loans On Real Estate, After Adoption.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateAfterAdoption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance at beginning of period after adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IL tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt finance costs</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M4 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Distributions in Excess of Net Income [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansPayableNetFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans Payable Net Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansPayableNetFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans payable net fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansPayableNetFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage loan payable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M9 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M9 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Addison and Irving Tx Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Addison and Irving Tx Loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AddisonAndIrvingTxLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Addison and Irving Tx Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M9 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M9 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Public Float</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeFinanceLeaseDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Finance Lease, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeFinanceLeaseDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee finance lease description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M7 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M7 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassDAndIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common class D and I.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassDAndIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class D And I [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassDAndIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class D and Class I Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lender Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lender Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtServiceCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt service coverage ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtServiceCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Service Coverage Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtServiceCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt service coverage ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AcquiredFiniteLivedIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquired Finite-Lived Intangible Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AcquiredFiniteLivedIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquired finite-lived intangible assets [abstract].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDividendsPayableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Dividends Payable [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDividendsPayableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Declared Distributions for Class of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M7 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M7ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M7 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfStockNumberOfSharesAuthorizedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of stock number of shares authorized in transaction.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfStockNumberOfSharesAuthorizedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Stock Number Of Shares Authorized In Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfStockNumberOfSharesAuthorizedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional shares authorized to cover over-allotments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M6 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M6 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan participations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Participations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Participations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M6 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M6 Class D Common Stock Dividends.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common class I.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommonClassIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class I [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M1 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M1ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M1 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of real estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale, Real Estate, Held-for-Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Sale, Real Estate, Held-for-Investment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Secured Overnight Financing Rate (SOFR)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate (SOFR)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M2 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Expense (Benefit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchased of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M10 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M10ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M10 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A5 and M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A5 and M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Based Compensation Arrangement By Share Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M9 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanThirteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First mortgage loan thirteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanThirteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Mortgage Loan Thirteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FirstMortgageLoanThirteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Mortgage Loan 13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumbersOfMultifamilyPropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Numbers Of Multifamily Properties Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumbersOfMultifamilyPropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Numbers of multifamily properties acquired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumbersOfMultifamilyPropertiesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of multifamily properties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtFinanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt finance costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtFinanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Finance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DebtFinanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt finance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A5 and M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A5AndM5DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A5 and M5 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans Payable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans payable, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying value of the mortgage loan payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Mortgage loan payable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M12 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M12 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardsUpdate201613_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel">Impact of adoption of ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardsUpdate201613_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Impact of adoption of ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardsUpdate201613_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Loss Adoption Of Accounting Standards Update 201613</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardsUpdate201613_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit loss adoption of accounting standards update 201613.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardsUpdate201613_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of adoption of ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Granted, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office three .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_OfficeThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockChangeOfControlTermsOfConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock change of control terms of conversion.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockChangeOfControlTermsOfConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Change Of Control Terms Of Conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PreferredStockChangeOfControlTermsOfConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, change of control, terms of conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M9DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M9 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregatePercentageOfStockholderServicingFeeOnNetAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate percentage of stockholder servicing fee on net asset value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregatePercentageOfStockholderServicingFeeOnNetAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Percentage Of Stockholder Servicing Fee On Net Asset Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AggregatePercentageOfStockholderServicingFeeOnNetAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate percentage of stockholder servicing fees on net asset value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeFinanceLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Finance Leases [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Financing Receivable [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M10 Class D And Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M10ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M10 Class D And Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdvisoryFeeDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisory fee due to related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdvisoryFeeDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory Fee Due To Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AdvisoryFeeDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory fee, payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstateNewMortgageLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, New Mortgage Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstateNewMortgageLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan originations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoansOnRealEstateNewMortgageLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loan fundings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M3 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M3 Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Number of Shares Issued in Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional shares issued to cover over-allotments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M5 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M5 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M12 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M12ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M12 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateLoanCategoryDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateLoanCategoryDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfReturnPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance component of advisor fee as percent of return per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfReturnPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Performance Component Of Advisor Fee As Percent Of Return Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfReturnPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum percentage to earn performance component of advisory fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Vested, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (loss) income per share attributable to common stockholders, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lessee finance lease interest rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Finance Lease Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LesseeFinanceLeaseInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease liability, interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Redemption Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, redemption date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M2 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M2ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M2 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial mortgage loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Mortgage Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_CommercialMortgageLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Mortgage Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M5 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M5ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M5 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title and Position [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of Individual</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock distributions declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Dividends, Common Stock, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockholdersEquityBalanceToTriggerTerminationOfLiquidityLetterAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stockholders' equity balance to trigger termination of liquidity letter agreements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockholdersEquityBalanceToTriggerTerminationOfLiquidityLetterAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders Equity Balance To Trigger Termination Of Liquidity Letter Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_StockholdersEquityBalanceToTriggerTerminationOfLiquidityLetterAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders equity balance to trigger termination of liquidity letter agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 M5 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M5ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M5 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Credit Loss, Expense (Reversal)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">(Provision for) reversal of credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Provision for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reversal of (provision for) credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Reversal of) provision for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A4DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A4 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A10 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A10DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A10 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfOfferingCostsFromRelatedPartiesAsMaximumPercentageOfGrossProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of gross proceeds reimbursed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfOfferingCostsFromRelatedPartiesAsMaximumPercentageOfGrossProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursement Of Offering Costs from Related Parties As Maximum Percentage Of Gross Proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ReimbursementOfOfferingCostsFromRelatedPartiesAsMaximumPercentageOfGrossProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursement Of Offering Costs from Related Parties As Maximum Percentage Of Gross Proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionReinvestmentPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distribution reinvestment plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionReinvestmentPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Reinvestment Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionReinvestmentPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">DRP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Lines of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from credit facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Lines of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Senior Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase agreement, maximum advance amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M8 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M9 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M9ClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M9 Class T Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_HonoluluHILoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Honolulu, HI Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_HonoluluHILoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Honolulu, HI Loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_HonoluluHILoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Honolulu, HI Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OfficeBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Building [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OfficeBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office Building [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OfficeBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Office</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction advisory fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Advisory Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RelatedPartyTransactionAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Advisory fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndFeeIncomeLoansAndLeases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income for impaired related to nonaccrual status loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndFeeIncomeLoansAndLeases_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest and Fee Income, Loans and Leases, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndFeeIncomeLoansAndLeases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Fee Income, Loans and Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfRepurchaseAgreementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure of Repurchase Agreements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfFinanceLeaseRightOfUseAssetNetOfAmortizationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of finance lease right of use asset net of amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfFinanceLeaseRightOfUseAssetNetOfAmortizationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Finance Lease Right Of Use Asset Net Of Amortization Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfFinanceLeaseRightOfUseAssetNetOfAmortizationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Finance Lease Right of Use Asset, Net of Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateAll-InYield_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">All-in Yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateAll-InYield_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, All-in Yield</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Description of Transaction</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M6 Class D Common Stock Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M6ClassDCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M6 Class D Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023A12AndM12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2023 A12 and M12 Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2026M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O2026 M1 Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A2 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A2DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A2 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateOwnedAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned, Accumulated Depreciation</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealEstateOwnedAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A11AndM11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A11 and M11 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A11AndM11DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A11 and M11 Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loan On Real Estate (Provision For) Credit Loan Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loan on real estate (provision for) credit loan losses.,</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for credit losses,carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Provision for credit losses,carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestDeferredInterestCapitalizedIntoCarryingValueOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real EstateInterest Deferred interest capitalized into carrying value of loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestDeferredInterestCapitalizedIntoCarryingValueOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Loans On Real EstateInterest Deferred interest capitalized into carrying value of loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateInterestDeferredInterestCapitalizedIntoCarryingValueOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred interest capitalized into carrying value of loans</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share repurchase program, shares authorized to be repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SharesIssuedExcludingIssuanceCostPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares issued excluding issuance cost price per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SharesIssuedExcludingIssuanceCostPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued Excluding Issuance Cost Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SharesIssuedExcludingIssuanceCostPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued excluding issuance cost price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M7ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M7 Class D and Class T Common Stock Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Held [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateLoanWrittenOff_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loan written off</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessor, Operating Lease, Payment to be Received, Year Three</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2023M12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2023 M12 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A7AndM7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 A7 and M7 Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AnnualizedOrdinaryOperatingExpensesOfQuarterToExtentExpensesDoNotExceedAverageMonthlyNetAssetsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annualized Ordinary Operating Expenses Of Quarter To Extent Expenses Do Not Exceed Average Monthly Net Assets Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_AnnualizedOrdinaryOperatingExpensesOfQuarterToExtentExpensesDoNotExceedAverageMonthlyNetAssetsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annualized ordinary operating expenses of quarter to extent expenses do not exceed average monthly net assets percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award award vesting date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfPropertyPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of property purchase price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfPropertyPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Property Purchase Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SaleOfPropertyPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of property purchase price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Due to Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Due to related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoanOnRealEstateFinalMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Final Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoanOnRealEstateFinalMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum Maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoanOnRealEstateFinalMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Mortgage loans on real estate maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage Loans On Real Estate [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestExpenseOnLoanSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest expense on loan sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestExpenseOnLoanSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense On Loan Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestExpenseOnLoanSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense on loan sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestIncomeForgoneOnLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income Forgone On Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestIncomeForgoneOnLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest income forgone on loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InterestIncomeForgoneOnLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income forgone of loans on nonaccrual status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedFurnitureFixturesAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Owned, Furniture, Fixtures And Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedFurnitureFixturesAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Real estate owned, furniture, fixtures and equipment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_RealEstateOwnedFurnitureFixturesAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furniture, fixtures and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Furniture and Fixtures [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furniture, Fixtures and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Lines of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Principal repayments of credit facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on sale of real estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfProperties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on sale of real estate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfProperties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Sale of Properties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableModifiedLoanBalanceIncludingAccruedAndUnpaidInterestAndLenderFeesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified Loan Balance Including Accrued And Unpaid Interest And Lender Fees, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableModifiedLoanBalanceIncludingAccruedAndUnpaidInterestAndLenderFeesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, modified loan balance including accrued and unpaid interest and lender fees, amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_FinancingReceivableModifiedLoanBalanceIncludingAccruedAndUnpaidInterestAndLenderFeesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan balance plus all accrued and unpaid interest and lender fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment grade two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Grade Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_InvestmentGradeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Grade Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption, Adjusted Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption, Adjusted Balance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedFive_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of Loans Risk Rated Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Loans Risk Rated Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansRiskRatedFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of loans risk rated five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate, Type of Property [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate, Type of Property</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPaidProRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend paid pro rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPaidProRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Paid Pro Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DividendPaidProRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend paid pro rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfAssetSpecificCeclReserveTableTextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Asset Specific CECL Reserve Table [Textblock]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfAssetSpecificCeclReserveTableTextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of asset specific CECL reserve.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_ScheduleOfAssetSpecificCeclReserveTableTextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Asset Specific CECL Reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loans On Real Estate Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loans on real estate weighted average interest rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_MortgageLoansOnRealEstateWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 A8 and M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022A8AndM8DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 A8 and M8 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredInPlaceLeaseValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Acquired In-Place Lease Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredInPlaceLeaseValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Acquired In-Place Lease Value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredInPlaceLeaseValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired in-place lease value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2024 M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024M3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 M3 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AboveMarketLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Above Market Leases [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AboveMarketLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired above market lease value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AboveMarketLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Above-Market Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate annualized gross distribution declared per share of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate gross distributions declared per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate gross distribution declared per share of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2022 M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2022M3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2022 M3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Current Borrowing Capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Committed Financing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offered price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Common Stock Outstanding Roll Forward [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 A7 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025A7DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 A7 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreaseDecreaseInLoansFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in loans fees payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_IncreaseDecreaseInLoansFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Loans Fees Payable</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Business Operations</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredBelowMarketLeaseValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Acquired Below Market Lease Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredBelowMarketLeaseValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Acquired Below Market Lease Value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2024A12AndM12DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2024 A12 And M12 Dividends,</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Credit Quality Indicator [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M10ClassTCommonStocksDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2025 M10 class T common stocks dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M10ClassTCommonStocksDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">O 2025 M10 Class T Common Stock Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_NumberOfLoansImpaired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of loans impaired.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M5ClassDAndClassTCommonStockDividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 M5 Class D And Class T Common Stock Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O2025 M1 Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_O2025M1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends Common Stock One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsSoldNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan participations sold, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsSoldNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Participations Sold Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_LoanParticipationsSoldNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan participations sold, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_SeriesACumulativeRedeemablePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A cumulative redeemable preferred stock.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionReinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution reinvestment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionReinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Reinvestment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001690012_DistributionReinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distribution reinvestment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock, Class of Stock [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
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  <xsd:element id="ck0001690012_FinancingReceivableAssetSpecificAllowance" name="FinancingReceivableAssetSpecificAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025M6ClassDCommonStockDividendsMember" name="O2025M6ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A12DividendsMember" name="O2025A12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M10ClassDAndClassTCommonStockDividendsMember" name="O2022M10ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateUndividedSeniorInterestSold" name="MortgageLoansOnRealEstateUndividedSeniorInterestSold" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023A1AndM1DividendsMember" name="O2023A1AndM1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfLoansSoldToThirdParty" name="NumberOfLoansSoldToThirdParty" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023A4DividendsMember" name="O2023A4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InlandInPointAdvisorLimitedLiabilityCompanyMember" name="InlandInPointAdvisorLimitedLiabilityCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfDaysNoticeRequiredByLenderPriorToMaturityDateForTerminationOfAgreement" name="NumberOfDaysNoticeRequiredByLenderPriorToMaturityDateForTerminationOfAgreement" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_ColumnFinancialRepoFacilityMember" name="ColumnFinancialRepoFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateAfterAdoption" name="MortgageLoansOnRealEstateAfterAdoption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2025M9DividendsMember" name="O2025M9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfReturnPerShare" name="PerformanceComponentOfAdvisorFeeAsPercentOfReturnPerShare" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_SPCREInPointAdvisorsLimitedLiabilityCompanyMember" name="SPCREInPointAdvisorsLimitedLiabilityCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_StockholderServicingFeePerShare" name="StockholderServicingFeePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanTwentyOneMember" name="FirstMortgageLoanTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M4ClassTCommonStockDividendsMember" name="O2022M4ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M5ClassTCommonStockDividendsMember" name="O2024M5ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DistributionsPayablePolicyTextBlock" name="DistributionsPayablePolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M12ClassDCommonStockDividendsMember" name="O2023M12ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanTwentyMember" name="FirstMortgageLoanTwentyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A8AndM8DividendsMember" name="O2024A8AndM8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AcquiredFiniteLivedIntangibleAssetsAbstract" name="AcquiredFiniteLivedIntangibleAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ReversalOfInterestIncomeOnLoans" name="ReversalOfInterestIncomeOnLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateOriginationAndExtensionFeesNetCapitalized" name="MortgageLoansOnRealEstateOriginationAndExtensionFeesNetCapitalized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2023M12ClassTCommonStockDividendsMember" name="O2023M12ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DiscountedPayoffAgreementMember" name="DiscountedPayoffAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M10ClassDCommonStockDividendsMember" name="O2023M10ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SummaryOfSignificantAccountingPoliciesDisclosuresLineItems" name="SummaryOfSignificantAccountingPoliciesDisclosuresLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M6ClassTCommonStockDividendsMember" name="O2022M6ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M1ClassTCommonStockDividendsMember" name="O2023M1ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M3ClassDCommonStockDividendsMember" name="O2024M3ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M8DividendsMember" name="O2022M8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M7ClassTCommonStockDividendsMember" name="O2025M7ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CommonClassSMember" name="CommonClassSMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A3DividendsMember" name="O2023A3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CreditLoanOneMember" name="CreditLoanOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" name="ProceedsFromIssuanceOfCommonStockNetOfOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_OfficeSevenMember" name="OfficeSevenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SubscriptionAgreementMinimumNumberOfSharesHeld" name="SubscriptionAgreementMinimumNumberOfSharesHeld" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanFiveMember" name="FirstMortgageLoanFiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M8DividendsMember" name="O2023M8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LadderCapitalFinanceLLCMember" name="LadderCapitalFinanceLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LoanParticipationsSoldNetTextBlock" name="LoanParticipationsSoldNetTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M4ClassDAndClassTCommonStockDividendsMember" name="O2024M4ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ScheduleOfAmortizationOfAcquiredInPlaceLeaseValueAboveAndBelowMarketLeaseValueTableTextBlock" name="ScheduleOfAmortizationOfAcquiredInPlaceLeaseValueAboveAndBelowMarketLeaseValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_NumberOfCommercialRealEstateLoansWithRemainingFutureFundingCommitment" name="NumberOfCommercialRealEstateLoansWithRemainingFutureFundingCommitment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022A4DividendsMember" name="O2022A4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_IncreaseDecreaseInLoansFeesPayable" name="IncreaseDecreaseInLoansFeesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateWeightedAverageYearToMaturityPeriod" name="MortgageLoansOnRealEstateWeightedAverageYearToMaturityPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_BelowMarketLeaseMember" name="BelowMarketLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PaymentOfOrganizationAndOfferingExpenses" name="PaymentOfOrganizationAndOfferingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_SeniorLoanParticipationsMember" name="SeniorLoanParticipationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M11ClassDCommonStockDividendsMember" name="O2025M11ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M2DividendsMember" name="O2024M2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CECLReserveOnLoan" name="CECLReserveOnLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_NumberOfLoanSold" name="NumberOfLoanSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_KansasCityMOAcquisitionMember" name="KansasCityMOAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_TwoThousandTwentyFiveAcquisitionsMember" name="TwoThousandTwentyFiveAcquisitionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanEightMember" name="FirstMortgageLoanEightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PercentageOfStockHolderServicingFeeOnNetAssetValue" name="PercentageOfStockHolderServicingFeeOnNetAssetValue" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_OrganizationAndBusinessOperationsLineItems" name="OrganizationAndBusinessOperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateNetFeesCapitalized" name="MortgageLoansOnRealEstateNetFeesCapitalized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_ExpenseLimitationAgreementMember" name="ExpenseLimitationAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DistributionReinvestmentPlanMember" name="DistributionReinvestmentPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanFourMember" name="FirstMortgageLoanFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinancingReceivableAssetSpecificAllowanceForCreditLossPeriodIncreaseDecrease" name="FinancingReceivableAssetSpecificAllowanceForCreditLossPeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_PercentageOfCumulativeRedeemablePreferredStock" name="PercentageOfCumulativeRedeemablePreferredStock" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_NumberOfOfficePropertiesAcquired" name="NumberOfOfficePropertiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M4ClassTCommonStockDividendsMember" name="O2023M4ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A5DividendsMember" name="O2023A5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M6ClassDAndClassTCommonStockDividendsMember" name="O2022M6ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M8ClassTCommonStockDividendsMember" name="O2025M8ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NetAssetValuePerShareHighWatermark" name="NetAssetValuePerShareHighWatermark" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022M12ClassTCommonStockDividendsMember" name="O2022M12ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_OrganizationAndOfferingExpensesPolicyTextBlock" name="OrganizationAndOfferingExpensesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023A9AndM9DividendsMember" name="O2023A9AndM9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CommercialMortgageLoansAtCostMember" name="CommercialMortgageLoansAtCostMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A3AndM3DividendsMember" name="O2023A3AndM3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M12DividendsMember" name="O2024M12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ScheduleOfIntangibleAssetsAndLiabilitiesFutureAmortizationTableTextBlock" name="ScheduleOfIntangibleAssetsAndLiabilitiesFutureAmortizationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M12ClassDAndClassTCommonStockDividendsMember" name="O2025M12ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoanOnRealEstate" name="MortgageLoanOnRealEstate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2023A1DividendsMember" name="O2023A1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_WesternAllianceCreditFacilityMember" name="WesternAllianceCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_WaiveReimbursementOnQuarterlyBasisTerms" name="WaiveReimbursementOnQuarterlyBasisTerms" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M6ClassDAndClassTCommonStockDividendsMember" name="O2024M6ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A11DividendsMember" name="O2022A11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateOccupancyPercentage" name="MortgageLoansOnRealEstateOccupancyPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateDeferredInterestCapitalizedOnRealEstateLoan" name="MortgageLoansOnRealEstateDeferredInterestCapitalizedOnRealEstateLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2025M3ClassDCommonStockDividendsMember" name="O2025M3ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NetAssetsAcquiredUponForeclosureOfCommercialLoan" name="NetAssetsAcquiredUponForeclosureOfCommercialLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023A8AndM8DividendsMember" name="O2023A8AndM8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M7DividendsMember" name="O2022M7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M9DividendsMember" name="O2023M9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FitzMember" name="FitzMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfLoansRelatedToAssetSpecificComponent" name="NumberOfLoansRelatedToAssetSpecificComponent" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_SanDiegoCaLoanMember" name="SanDiegoCaLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A10DividendsMember" name="O2024A10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RepurchaseAgreementTable" name="RepurchaseAgreementTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M12DividendsMember" name="O2022M12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RelatedPartyTransactionsOperatingExpenseReimbursementToAdvisor" name="RelatedPartyTransactionsOperatingExpenseReimbursementToAdvisor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2025M8ClassDAndClassTCommonStockDividendsMember" name="O2025M8ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M10ClassDAndClassTCommonStockDividendsMember" name="O2024M10ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A8DividendsMember" name="O2023A8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A9DividendsMember" name="O2023A9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleLineItem" name="FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleLineItem" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ForbearanceAndModificationAgreementMember" name="ForbearanceAndModificationAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PreferredStockRepurchasedAndRetiredDuringPeriodValue" name="PreferredStockRepurchasedAndRetiredDuringPeriodValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2024M7ClassTCommonStockDividendsMember" name="O2024M7ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A7AndM7DividendsMember" name="O2022A7AndM7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DebtInstrumentWeightedAveragePeriodToMaturity" name="DebtInstrumentWeightedAveragePeriodToMaturity" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M1ClassDCommonStockDividendsMember" name="O2023M1ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AggregatePercentageOfStockholderServicingFeeOnNetAssetValue" name="AggregatePercentageOfStockholderServicingFeeOnNetAssetValue" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_NonaccrualBasisLoansMember" name="NonaccrualBasisLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RevenueFromRealEstate" name="RevenueFromRealEstate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025A2AndM2DividendsMember" name="O2025A2AndM2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M1ClassDCommonStockDividendsMember" name="O2025M1ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A11DividendsMember" name="O2023A11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AddisonTxLoanMember" name="AddisonTxLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_IncreasedInterestRateDueToFailureToMeetTheMinimumDepositBalance" name="IncreasedInterestRateDueToFailureToMeetTheMinimumDepositBalance" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022A7DividendsMember" name="O2022A7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M4ClassDCommonStockDividendsMember" name="O2022M4ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A11AndM11DividendsMember" name="O2025A11AndM11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AmortizationOfLoanExtensionFees" name="AmortizationOfLoanExtensionFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildingAndImprovements" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildingAndImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2022M12ClassDCommonStockDividendsMember" name="O2022M12ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleTable" name="FiniteLivedIntangibleAssetsAmortizationExpenseMaturityScheduleTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PercentageOfConversionFeeOfConvertibleByOptionTermLoan" name="PercentageOfConversionFeeOfConvertibleByOptionTermLoan" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M7DividendsMember" name="O2025M7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M4DividendsMember" name="O2023M4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinancingReceivableCreditQualityInvestmentGradeDefinition" name="FinancingReceivableCreditQualityInvestmentGradeDefinition" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025A2DividendsMember" name="O2025A2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LoanParticipationsMember" name="LoanParticipationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CharlotteNCMember" name="CharlotteNCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M10DividendsMember" name="O2022M10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M11ClassTCommonStockDividendsMember" name="O2022M11ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentTableTextBlock" name="ScheduleOfCommercialMortgageLoansHeldForInvestmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanElevenMember" name="FirstMortgageLoanElevenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M5ClassTCommonStockDividendsMember" name="O2022M5ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M1ClassDCommonStockDividendsMember" name="O2024M1ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M10DividendsMember" name="O2023M10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDate" name="LineOfCreditFacilityOptionToExtendMaturityDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_SeriesAPreferredRepurchaseProgramMember" name="SeriesAPreferredRepurchaseProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanTwelveMember" name="FirstMortgageLoanTwelveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M5ClassDCommonStockDividendsMember" name="O2025M5ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A2DividendsMember" name="O2024A2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M3ClassTCommonStockDividendsMember" name="O2022M3ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AmortizationOfDebtFinanceCostsToInterestExpense" name="AmortizationOfDebtFinanceCostsToInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023M2ClassTCommonStockDividendsMember" name="O2023M2ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M8ClassDCommonStockDividendsMember" name="O2024M8ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M3ClassDAndClassTCommonStockDividendsMember" name="O2023M3ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CommonClassOfPATDIAndSMember" name="CommonClassOfPATDIAndSMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanTwentyThreeMember" name="FirstMortgageLoanTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M5ClassDCommonStockDividendsMember" name="O2023M5ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_OrganizationAndBusinessOperationsTable" name="OrganizationAndBusinessOperationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RepurchaseAndCreditFacilityTable" name="RepurchaseAndCreditFacilityTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DebtInstrumentFloorRate" name="DebtInstrumentFloorRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_DirectorsCompensation" name="DirectorsCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_ReimbursementOfOfferingCosts" name="ReimbursementOfOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_MortgageLoansPayableNet" name="MortgageLoansPayableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025M9ClassDCommonStockDividendsMember" name="O2025M9ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinancingReceivableAccruedInterestRatePaidInKind" name="FinancingReceivableAccruedInterestRatePaidInKind" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_CreditFacilityPayablePolicyTextBlock" name="CreditFacilityPayablePolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_CommercialRealEstateLoansRemainingFutureFundingCommitment" name="CommercialRealEstateLoansRemainingFutureFundingCommitment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_OrganizationAndOfferingExpensesAsMaximumPercentageOfGrossProceedsFromIssuanceOfInitialPublicOffering" name="OrganizationAndOfferingExpensesAsMaximumPercentageOfGrossProceedsFromIssuanceOfInitialPublicOffering" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateLoan-To-Value" name="SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateLoan-To-Value" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_StockholdersEquityBalanceToTriggerTerminationOfLiquidityLetterAgreements" name="StockholdersEquityBalanceToTriggerTerminationOfLiquidityLetterAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_DebtInstrumentFloorInterestRate" name="DebtInstrumentFloorInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_DebtServiceCoverageRatio" name="DebtServiceCoverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M10ClassTCommonStockDividendsMember" name="O2024M10ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M2ClassTCommonStockDividendsMember" name="O2022M2ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M3ClassTCommonStockDividendsMember" name="O2024M3ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InterestIncomeRecognizedFromMortgageLoan" name="InterestIncomeRecognizedFromMortgageLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_HonoluluHILoanMember" name="HonoluluHILoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A9AndM9DividendsMember" name="O2022A9AndM9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M7ClassDCommonStockDividendsMember" name="O2024M7ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ScheduleOfAssetSpecificCeclReserveTableTextblock" name="ScheduleOfAssetSpecificCeclReserveTableTextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_DebtInstrumentLoanToUnpaidBalancePercentage" name="DebtInstrumentLoanToUnpaidBalancePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_CommonClassIMember" name="CommonClassIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M7ClassDAndClassTCommonStockDividendsMember" name="O2023M7ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SoundPointMember" name="SoundPointMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CommercialMortgageLoansMember" name="CommercialMortgageLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A5DividendsMember" name="O2022A5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CurrentExpectedCreditLossesReserveChargeOffOnAcquisitions" name="CurrentExpectedCreditLossesReserveChargeOffOnAcquisitions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2025A4AndM4DividendsMember" name="O2025A4AndM4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M4DividendsMember" name="O2022M4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfOfficesPropertiesAcquired" name="NumberOfOfficesPropertiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022M2ClassDAndClassTCommonStockDividendsMember" name="O2022M2ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinancingReceivableAccruedMaturityDefaultInterest" name="FinancingReceivableAccruedMaturityDefaultInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2022M8ClassTCommonStockDividendsMember" name="O2022M8ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CharlotteNCAcquisitionMember" name="CharlotteNCAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M2ClassDAndClassTCommonStockDividendsMember" name="O2024M2ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M9ClassDAndClassTCommonStockDividendsMember" name="O2025M9ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M1ClassDAndClassTCommonStockDividendsMember" name="O2025M1ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RepurchaseAgreements" name="RepurchaseAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_CommonClassTMember" name="CommonClassTMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateOwnedFurnitureFixturesAndEquipment" name="RealEstateOwnedFurnitureFixturesAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023M6DividendsMember" name="O2023M6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ScheduleOfMortgageLoansOnRealEstateByLoanDisclosureTextBlock" name="ScheduleOfMortgageLoansOnRealEstateByLoanDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M3ClassDCommonStockDividendsMember" name="O2023M3ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M5ClassDAndClassTCommonStockDividendsMember" name="O2023M5ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M6ClassDCommonStockDividendsMember" name="O2024M6ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DividendPayableDailyDistributionAmount" name="DividendPayableDailyDistributionAmount" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FinancingReceivableLoanSettledWithFullSatisficationOfAllObligationsAmount" name="FinancingReceivableLoanSettledWithFullSatisficationOfAllObligationsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2023A7DividendsMember" name="O2023A7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_OrganizationAndOfferingExpenseReimbursementDueToRelatedParties" name="OrganizationAndOfferingExpenseReimbursementDueToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_RealEstateOwnedBuildingAndImprovements" name="RealEstateOwnedBuildingAndImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2025A9AndM9DividendsMember" name="O2025A9AndM9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DocumentAndEntityInformationTable" name="DocumentAndEntityInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoanedAndRealEstateSecuritiesAreSoldUnderAgreementsToRepurchaseFairValueDisclosure" name="MortgageLoanedAndRealEstateSecuritiesAreSoldUnderAgreementsToRepurchaseFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025M6ClassDAndClassTCommonStockDividendsMember" name="O2025M6ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M10ClassTCommonStockDividendsMember" name="O2022M10ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RiskLevelVeryHighMember" name="RiskLevelVeryHighMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A10DividendsMember" name="O2023A10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M11DividendsMember" name="O2023M11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A11AndM11DividendsMember" name="O2022A11AndM11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfLoansRiskRatedFour" name="NumberOfLoansRiskRatedFour" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022A2AndM2DividendsMember" name="O2022A2AndM2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M7ClassTCommonStockDividendsMember" name="O2022M7ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_OfficeThreeMember" name="OfficeThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MangoniaParkFLLoanMember" name="MangoniaParkFLLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateSpreadOnLoanParticipationsSold" name="MortgageLoansOnRealEstateSpreadOnLoanParticipationsSold" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_MonthlyNetDistributionDeclaredOfClassDCommonStockMember" name="MonthlyNetDistributionDeclaredOfClassDCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LoanParticipationsSoldNet" name="LoanParticipationsSoldNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_OfficeFourMember" name="OfficeFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A3DividendsMember" name="O2024A3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M5DividendsMember" name="O2022M5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ShareIssuedAveragePricePerShare" name="ShareIssuedAveragePricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023A12AndM12DividendsMember" name="O2023A12AndM12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M1DividendsMember" name="O2022M1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AggregateMonthlyGrossDividendDeclaredMember" name="AggregateMonthlyGrossDividendDeclaredMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M8DividendsMember" name="O2025M8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M1ClassTCommonStockDividendsMember" name="O2025M1ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateOwnedLoanParticipationAgreementInterestDue" name="RealEstateOwnedLoanParticipationAgreementInterestDue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_MultifamilyOneMember" name="MultifamilyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M3ClassDAndClassTCommonStockDividendsMember" name="O2024M3ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AddisonAndIrvingTxAndCharlotteNCMember" name="AddisonAndIrvingTxAndCharlotteNCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M6ClassDCommonStockDividendsMember" name="O2022M6ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_GainLossOnRepurchaseAndRetirementOfPreferredStock" name="GainLossOnRepurchaseAndRetirementOfPreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_StockAuthorizedDuringPeriodValuePrivateOffering" name="StockAuthorizedDuringPeriodValuePrivateOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_RestonVaLoanMember" name="RestonVaLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M4ClassTCommonStockDividendsMember" name="O2024M4ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SaleOfPropertyPurchasePrice" name="SaleOfPropertyPurchasePrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_AddisonTxMember" name="AddisonTxMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_StockIssuedDuringPeriodValueNewIssuesPreferredStock" name="StockIssuedDuringPeriodValueNewIssuesPreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2024M1ClassDAndClassTCommonStockDividendsMember" name="O2024M1ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DocumentAndEntityInformationLineItems" name="DocumentAndEntityInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M6DividendsMember" name="O2025M6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LesseeFinanceLeaseTerminationDescription" name="LesseeFinanceLeaseTerminationDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_DebtInstrumentLoanToAppraisedValuePercentage" name="DebtInstrumentLoanToAppraisedValuePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_AdvisoryFeeDueToRelatedParties" name="AdvisoryFeeDueToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_SharesIssuedExcludingIssuanceCostPricePerShare" name="SharesIssuedExcludingIssuanceCostPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_ScheduleOfInvestmentInMortgageLoansOnRealEstateOriginatedTableTextBlock" name="ScheduleOfInvestmentInMortgageLoansOnRealEstateOriginatedTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_DistributionReinvestment" name="DistributionReinvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_FacilitiesMember" name="FacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A3AndM3DividendsMember" name="O2025A3AndM3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_BorrowingBasePeriodForEligiblePledgedAssetsBecomeIneligible" name="BorrowingBasePeriodForEligiblePledgedAssetsBecomeIneligible" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_NumberOfLoansRiskRatedThree" name="NumberOfLoansRiskRatedThree" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedInPeriodWeightedAverageGrantDateFairValue" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M5ClassTCommonStockDividendsMember" name="O2025M5ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfLoansImpaired" name="NumberOfLoansImpaired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_NumberOfOfficeProperties" name="NumberOfOfficeProperties" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_ReimbursementOfOfferingCostsFromRelatedPartiesAsMaximumPercentageOfGrossProceeds" name="ReimbursementOfOfferingCostsFromRelatedPartiesAsMaximumPercentageOfGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M5ClassDCommonStockDividendsMember" name="O2024M5ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M6ClassTCommonStockDividendsMember" name="O2023M6ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M10DividendsMember" name="O2025M10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanTwentyTwoMember" name="FirstMortgageLoanTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A6AndM6DividendsMember" name="O2024A6AndM6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A10AndM10DividendsMember" name="O2025A10AndM10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M12ClassTCommonStockDividendsMember" name="O2024M12ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AddisonAndIrvingTxLoanMember" name="AddisonAndIrvingTxLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_BelvedereAndMeridianMember" name="BelvedereAndMeridianMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanSixMember" name="FirstMortgageLoanSixMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanTwoMember" name="FirstMortgageLoanTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A4AndM4DividendsMember" name="O2023A4AndM4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateInterestRateDescription" name="MortgageLoansOnRealEstateInterestRateDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M8ClassDCommonStockDividendsMember" name="O2025M8ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A8DividendsMember" name="O2022A8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_OfficeOneMember" name="OfficeOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A4AndM4DividendsMember" name="O2024A4AndM4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RelatedPartyTransactionSellingCommissionsAndDealerManagerFeesFromTransactionsWithRelatedParty" name="RelatedPartyTransactionSellingCommissionsAndDealerManagerFeesFromTransactionsWithRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2025M3DividendsMember" name="O2025M3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A9DividendsMember" name="O2022A9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A1AndM1DividendsMember" name="O2025A1AndM1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M2ClassTCommonStockDividendsMember" name="O2025M2ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M12ClassDAndClassTCommonStockDividendsMember" name="O2024M12ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RepoFacilityMember" name="RepoFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SubscriptionAgreementValueOfMinimumNumberOfSharesHeld" name="SubscriptionAgreementValueOfMinimumNumberOfSharesHeld" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2024M11ClassTCommonStockDividendsMember" name="O2024M11ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A6AndM6DividendsMember" name="O2023A6AndM6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M5ClassDAndClassTCommonStockDividendsMember" name="O2024M5ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PortlandOregonAcquisitionMember" name="PortlandOregonAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PercentageOfAggregateNetAssetValuePerMonth" name="PercentageOfAggregateNetAssetValuePerMonth" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024A10AndM10DividendsMember" name="O2024A10AndM10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansFaceAmount" name="MortgageLoansFaceAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2024M7DividendsMember" name="O2024M7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A1DividendsMember" name="O2022A1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M9ClassDCommonStockDividendsMember" name="O2023M9ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M2ClassDCommonStockDividendsMember" name="O2025M2ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SharesIssuedAveragePricePerShare" name="SharesIssuedAveragePricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateTransferOnForeclosureToRealEstateOwned" name="MortgageLoansOnRealEstateTransferOnForeclosureToRealEstateOwned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_DueToRelatedParties" name="DueToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredAboveMarketLeaseValue" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredAboveMarketLeaseValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfExcessReturn" name="PerformanceComponentOfAdvisorFeeAsPercentOfExcessReturn" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FinancingReceivableMaturityDefaultInterestWaived" name="FinancingReceivableMaturityDefaultInterestWaived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" name="ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M12ClassDAndClassTCommonStockDividendsMember" name="O2023M12ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AmortizationOfAcquiredAboveAndBelowMarketLeasesNet" name="AmortizationOfAcquiredAboveAndBelowMarketLeasesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025M1DividendsMember" name="O2025M1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AmortizationOfDebtFinanceCostsToOperatingExpense" name="AmortizationOfDebtFinanceCostsToOperatingExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_StockIssuedDuringPeriodSharesAdministrativeCorrection" name="StockIssuedDuringPeriodSharesAdministrativeCorrection" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateAmortizedCost" name="MortgageLoansOnRealEstateAmortizedCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_EbitdaToFixedChargesRatioForTrialingFourQuarter" name="EbitdaToFixedChargesRatioForTrialingFourQuarter" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M6ClassTCommonStockDividendsMember" name="O2025M6ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CommonStockDividendsPerShareDeclaredNet" name="CommonStockDividendsPerShareDeclaredNet" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFurnitureFixturesAndEquipment" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFurnitureFixturesAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2022M2DividendsMember" name="O2022M2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOutstandingAmount" name="MortgageLoansOutstandingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanFourteenMember" name="FirstMortgageLoanFourteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A9DividendsMember" name="O2025A9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InitialRiskRatingForCommercialMortgageLoansHeldForInvestmentAndRealEstateSecurities" name="InitialRiskRatingForCommercialMortgageLoansHeldForInvestmentAndRealEstateSecurities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_CurrentExpectedCreditLossesReserve" name="CurrentExpectedCreditLossesReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2022A2DividendsMember" name="O2022A2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M8ClassTCommonStockDividendsMember" name="O2024M8ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A12AndM12DividendsMember" name="O2024A12AndM12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LesseeFinanceLeaseInterestRate" name="LesseeFinanceLeaseInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M2ClassDCommonStockDividendsMember" name="O2023M2ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M3ClassDCommonStockDividendsMember" name="O2022M3ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DistributionsDeclaredTable" name="DistributionsDeclaredTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SeriesACumulativeRedeemablePreferredStockMember" name="SeriesACumulativeRedeemablePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MemphisTnLoanMember" name="MemphisTnLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M7ClassDCommonStockDividendsMember" name="O2023M7ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M11ClassDCommonStockDividendsMember" name="O2022M11ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MinimumDebtServiceCoverageRatio" name="MinimumDebtServiceCoverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M4ClassDCommonStockDividendsMember" name="O2025M4ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A7DividendsMember" name="O2024A7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_OfficeTwoMember" name="OfficeTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PerformanceComponentOfAdvisorFeeAsPercentOfAggregateReturn" name="PerformanceComponentOfAdvisorFeeAsPercentOfAggregateReturn" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023A6DividendsMember" name="O2023A6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AnnualizedOrdinaryOperatingExpensesOfQuarterToExtentExpensesDoNotExceedAverageMonthlyNetAssetsPercentage" name="AnnualizedOrdinaryOperatingExpensesOfQuarterToExtentExpensesDoNotExceedAverageMonthlyNetAssetsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_LoanFeesDueToRelatedParties" name="LoanFeesDueToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025M2DividendsMember" name="O2025M2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CommonClassDAndIMember" name="CommonClassDAndIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M7ClassDAndClassTCommonStockDividendsMember" name="O2022M7ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_IntangibleLiabilitiesAbstract" name="IntangibleLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M1ClassDCommonStockDividendsMember" name="O2022M1ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M9ClassTCommonStockDividendsMember" name="O2024M9ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LineOfCreditFacilityOptionToExtendMaturityDescription" name="LineOfCreditFacilityOptionToExtendMaturityDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerMonth" name="AggregateNetAssetValueOfSharesRepurchasedPerMonth" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_CreditFacilityPayableFairValueDisclosure" name="CreditFacilityPayableFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_SaleOfStockNumberOfSharesAuthorizedInTransaction" name="SaleOfStockNumberOfSharesAuthorizedInTransaction" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022M4ClassDAndClassTCommonStockDividendsMember" name="O2022M4ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M2ClassDCommonStockDividendsMember" name="O2024M2ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SummaryOfLoanParticipationsSoldTableTextBlock" name="SummaryOfLoanParticipationsSoldTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromCurrentPeriodTaxPositions" name="UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromCurrentPeriodTaxPositions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025M11ClassTCommonStockDividendsMember" name="O2025M11ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A3AndM3DividendsMember" name="O2024A3AndM3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M4DividendsMember" name="O2024M4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M8ClassDCommonStockDividendsMember" name="O2023M8ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M2DividendsMember" name="O2023M2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DeferredInterestCapitalizedOnRealEstateLoan" name="DeferredInterestCapitalizedOnRealEstateLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2022M2ClassDCommonStockDividendsMember" name="O2022M2ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M9ClassDAndClassTCommonStockDividendsMember" name="O2024M9ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MinimumEbitdaToFixedChargesRatio" name="MinimumEbitdaToFixedChargesRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M12DividendsMember" name="O2023M12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AddisonAndIrvingTexasAcquisitionMember" name="AddisonAndIrvingTexasAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateOwnedLoanParticipationAccruedButUnpaidInterest" name="RealEstateOwnedLoanParticipationAccruedButUnpaidInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_IncreaseDecreaseToRentalIncomeDueToAmortization" name="IncreaseDecreaseToRentalIncomeDueToAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2024M6ClassTCommonStockDividendsMember" name="O2024M6ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M3ClassDAndClassTCommonStockDividendsMember" name="O2022M3ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinanceLeaseCost" name="FinanceLeaseCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_AccruedStockholderServicingFeeDueToRelatedParties" name="AccruedStockholderServicingFeeDueToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_PrincipalRepaymentsOfLoanParticipations" name="PrincipalRepaymentsOfLoanParticipations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_InterestExpenseRecognizedFromMortgageLoan" name="InterestExpenseRecognizedFromMortgageLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2024A8DividendsMember" name="O2024A8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M2ClassDAndClassTCommonStockDividendsMember" name="O2023M2ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateOutstanding" name="MortgageLoansOnRealEstateOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_MortgageLoansPayableNetFairValueDisclosure" name="MortgageLoansPayableNetFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_NumberOfPropertyAcquired" name="NumberOfPropertyAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M9ClassTCommonStockDividendsMember" name="O2025M9ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ScheduleOfRealEstateOwnedAssetsTableTextBlock" name="ScheduleOfRealEstateOwnedAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_AmortizationOfEquityBasedCompensation" name="AmortizationOfEquityBasedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023A7AndM7DividendsMember" name="O2023A7AndM7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InvestmentGradeThreeMember" name="InvestmentGradeThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfLoansRiskRatedFive" name="NumberOfLoansRiskRatedFive" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022M1ClassDAndClassTCommonStockDividendsMember" name="O2022M1ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ReimbursableDeferredOfferingCosts" name="ReimbursableDeferredOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_AddisonAndIrvingTxMember" name="AddisonAndIrvingTxMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AdjustmentsToAdditionalPaidInCapitalDistributionReinvestment" name="AdjustmentsToAdditionalPaidInCapitalDistributionReinvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_RealEstateOwnedLoanParticipationPaydownOfAccruedAndUnpaidInterest" name="RealEstateOwnedLoanParticipationPaydownOfAccruedAndUnpaidInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2022A8AndM8DividendsMember" name="O2022A8AndM8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RepurchaseAgreementLineItems" name="RepurchaseAgreementLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A6AndM6DividendsMember" name="O2022A6AndM6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanOneMember" name="FirstMortgageLoanOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M1ClassTCommonStockDividendsMember" name="O2022M1ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ParkviewMember" name="ParkviewMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateOwnedAbstract" name="RealEstateOwnedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A11AndM11DividendsMember" name="O2024A11AndM11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ExitCapitalizationRateOnImpairedLoans" name="ExitCapitalizationRateOnImpairedLoans" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023A2AndM2DividendsMember" name="O2023A2AndM2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InterestExpenseOnLoanSold" name="InterestExpenseOnLoanSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023M3DividendsMember" name="O2023M3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M7ClassTCommonStockDividendsMember" name="O2023M7ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateAmortizationOfDeferredFeesAndExpenses" name="MortgageLoansOnRealEstateAmortizationOfDeferredFeesAndExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2025M12ClassTCommonStockDividendsMember" name="O2025M12ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M5ClassDAndClassTCommonStockDividendsMember" name="O2022M5ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A1DividendsMember" name="O2024A1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RelatedPartyTransactionAdvisoryFee" name="RelatedPartyTransactionAdvisoryFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_TroubledDebtRestructuringsAmortizedCostBasis" name="TroubledDebtRestructuringsAmortizedCostBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2024A1AndM1DividendsMember" name="O2024A1AndM1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M5ClassDAndClassTCommonStockDividendsMember" name="O2025M5ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateAll-InYield" name="SECSchedule12-29RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateAll-InYield" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M10ClassDAndClassTCommonStockDividendsMember" name="O2023M10ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M11ClassDAndClassTCommonStockDividendsMember" name="O2022M11ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DebtFinanceCosts" name="DebtFinanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_ReimbursementOfExpensesPayableTerm" name="ReimbursementOfExpensesPayableTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_RaymondJamesAndAssociatesIncMember" name="RaymondJamesAndAssociatesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinancingReceivableAllowanceForCreditLossesAfterAdoption" name="FinancingReceivableAllowanceForCreditLossesAfterAdoption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateUndividedSubordinateInterestRetained" name="MortgageLoansOnRealEstateUndividedSubordinateInterestRetained" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M1DividendsMember" name="O2023M1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfMultifamilyPropertiesAcquired" name="NumberOfMultifamilyPropertiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalBenefit" name="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesNetOfFederalBenefit" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_AggregateAnnualizedGrossDividendDeclaredMember" name="AggregateAnnualizedGrossDividendDeclaredMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredBelowMarketLeaseValue" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredBelowMarketLeaseValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_NumbersOfMultifamilyPropertiesAcquired" name="NumbersOfMultifamilyPropertiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_RelatedPartyTransactionOrganizationAndOfferingExpensesReimbursement" name="RelatedPartyTransactionOrganizationAndOfferingExpensesReimbursement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_PreferredStockChangeOfControlTermsOfConversion" name="PreferredStockChangeOfControlTermsOfConversion" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_RealEstateOwnedLoanParticipationIncreaseInAccruedAndUnpaidInterest" name="RealEstateOwnedLoanParticipationIncreaseInAccruedAndUnpaidInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_NumberOfIndependentDirectors" name="NumberOfIndependentDirectors" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_NumberOfLoansWithAssetSpecificAllowance" name="NumberOfLoansWithAssetSpecificAllowance" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M7ClassDAndClassTCommonStockDividendsMember" name="O2025M7ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PaymentOfDealerManagerFees" name="PaymentOfDealerManagerFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_PaymentOfSellingCommissions" name="PaymentOfSellingCommissions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_MonthlyNetDistributionDeclaredOfClassTCommonStockMember" name="MonthlyNetDistributionDeclaredOfClassTCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanSevenMember" name="FirstMortgageLoanSevenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_GainLossRecognizedForeclosureTransaction" name="GainLossRecognizedForeclosureTransaction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2024M9ClassDCommonStockDividendsMember" name="O2024M9ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateUnamortizedCostsNet" name="MortgageLoansOnRealEstateUnamortizedCostsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023M11ClassDCommonStockDividendsMember" name="O2023M11ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ProceedsFromMortgageLoanPayable" name="ProceedsFromMortgageLoanPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_RealEstateOperatingExpenses" name="RealEstateOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2025A5AndM5DividendsMember" name="O2025A5AndM5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NonaccrualStatusEffectiveDate" name="NonaccrualStatusEffectiveDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025A8DividendsMember" name="O2025A8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M7ClassDCommonStockDividendsMember" name="O2022M7ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LesseeFinanceLeaseCommencementDate" name="LesseeFinanceLeaseCommencementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024A2AndM2DividendsMember" name="O2024A2AndM2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M10ClassDAndClassTCommonStockDividendsMember" name="O2025M10ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CommercialMortgageLoansFairValueDisclosure" name="CommercialMortgageLoansFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_InvestmentGradeTwoMember" name="InvestmentGradeTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanNineMember" name="FirstMortgageLoanNineMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AddisonOrIrvingTXLoanMember" name="AddisonOrIrvingTXLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M12ClassDCommonStockDividendsMember" name="O2025M12ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M11DividendsMember" name="O2022M11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanFifteenMember" name="FirstMortgageLoanFifteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A6DividendsMember" name="O2024A6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinancingReceivableModifiedLoanBalanceIncludingAccruedAndUnpaidInterestAndLenderFeesAmount" name="FinancingReceivableModifiedLoanBalanceIncludingAccruedAndUnpaidInterestAndLenderFeesAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_CommonClassPMember" name="CommonClassPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M1DividendsMember" name="O2024M1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_OfficeSixMember" name="OfficeSixMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M1ClassTCommonStockDividendsMember" name="O2024M1ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfLoanImpaired" name="NumberOfLoanImpaired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_AmortizationOfDeferredExitFeesDueToRelatedParty" name="AmortizationOfDeferredExitFeesDueToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2022M12ClassDAndClassTCommonStockDividendsMember" name="O2022M12ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SeniorLoanParticipationsPolicyTextBlock" name="SeniorLoanParticipationsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022M8ClassDAndClassTCommonStockDividendsMember" name="O2022M8ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M10ClassTCommonStocksDividendsMember" name="O2025M10ClassTCommonStocksDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_StockIssuedDuringPeriodSharesPrivateOffering" name="StockIssuedDuringPeriodSharesPrivateOffering" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025A11DividendsMember" name="O2025A11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateInvestmentInCommercialMortgageBackedSecuritiesTextBlock" name="RealEstateInvestmentInCommercialMortgageBackedSecuritiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_PercentageOfLoansReceivableOnCommercialMortgage" name="PercentageOfLoansReceivableOnCommercialMortgage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022A5AndM5DividendsMember" name="O2022A5AndM5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2026Q1PreferredADividendsMember" name="O2026Q1PreferredADividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M10DividendsMember" name="O2024M10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A12DividendsMember" name="O2023A12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PrivateOfferingAndIPOMember" name="PrivateOfferingAndIPOMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RiskRatingForCommercialMortgageLoansHeldForInvestmentAndRealEstateSecurities" name="RiskRatingForCommercialMortgageLoansHeldForInvestmentAndRealEstateSecurities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_CashFlowReserveDeposit" name="CashFlowReserveDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_PercentageOfFutureSalePriceOfTheUnderlyingRealEstateCollateral" name="PercentageOfFutureSalePriceOfTheUnderlyingRealEstateCollateral" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanSixteenMember" name="FirstMortgageLoanSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A12DividendsMember" name="O2022A12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M4ClassDCommonStockDividendsMember" name="O2024M4ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A5DividendsMember" name="O2024A5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A3DividendsMember" name="O2025A3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M11ClassDAndClassTCommonStockDividendsMember" name="O2024M11ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DividendPaidProRate" name="DividendPaidProRate" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M12DividendsMember" name="O2025M12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PercentageOfAggregateNetAssetValuePerQuarter" name="PercentageOfAggregateNetAssetValuePerQuarter" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M11ClassDCommonStockDividendsMember" name="O2024M11ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M10ClassDCommonStockDividendsMember" name="O2025M10ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A10DividendsMember" name="O2025A10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DividendPayableMonthlyDistributionAmount" name="DividendPayableMonthlyDistributionAmount" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2023M6ClassDCommonStockDividendsMember" name="O2023M6ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MultifamilyTwoMember" name="MultifamilyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A12AndM12DividendsMember" name="O2025A12AndM12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanLosses" name="MortgageLoanOnRealEstateProvisionForCreditLoanLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_ScheduleOfFinanceLeaseRightOfUseAssetNetOfAmortizationTableTextBlock" name="ScheduleOfFinanceLeaseRightOfUseAssetNetOfAmortizationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_InlandRealEstateInvestmentCorporationMember" name="InlandRealEstateInvestmentCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RelatedPartyTransactionLoanFees" name="RelatedPartyTransactionLoanFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2022M3DividendsMember" name="O2022M3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A7DividendsMember" name="O2025A7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PreferredStockOfferingMember" name="PreferredStockOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M5DividendsMember" name="O2025M5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ScheduleOfIntangibleAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfIntangibleAssetsAndLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanEighteenMember" name="FirstMortgageLoanEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M5ClassTCommonStockDividendsMember" name="O2023M5ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ProceedsFromSaleOfLoanParticipations" name="ProceedsFromSaleOfLoanParticipations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_LoanParticipationsSoldFairValueDisclosure" name="LoanParticipationsSoldFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2023A2DividendsMember" name="O2023A2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateWeightedAverageMaximumMaturityPeriod" name="MortgageLoansOnRealEstateWeightedAverageMaximumMaturityPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025M11DividendsMember" name="O2025M11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_SaleOfPropertyEarnestMoneyReceived" name="SaleOfPropertyEarnestMoneyReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023M11ClassTCommonStockDividendsMember" name="O2023M11ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M5DividendsMember" name="O2024M5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredInPlaceLeaseValue" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAcquiredInPlaceLeaseValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_ScheduleOfCommercialMortgageLoansHeldForInvestmentPortfolioTableTextBlock" name="ScheduleOfCommercialMortgageLoansHeldForInvestmentPortfolioTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateInterestRateOnLoanParticipantsSold" name="MortgageLoansOnRealEstateInterestRateOnLoanParticipantsSold" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M8DividendsMember" name="O2024M8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M12ClassDCommonStockDividendsMember" name="O2024M12ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M11ClassDAndClassTCommonStockDividendsMember" name="O2023M11ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AnnualizedBasisExpenseLimitPercentage" name="AnnualizedBasisExpenseLimitPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_AdjustmentsToAdditionalPaidInCapitalStockIssuedReimbursementIssuanceCosts" name="AdjustmentsToAdditionalPaidInCapitalStockIssuedReimbursementIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_RelatedPartyTransactionAccruedStockholderServicingFee" name="RelatedPartyTransactionAccruedStockholderServicingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2022M9ClassDCommonStockDividendsMember" name="O2022M9ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AssetSpecificCeclReserve" name="AssetSpecificCeclReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2022M10ClassDCommonStockDividendsMember" name="O2022M10ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M4ClassDAndClassTCommonStockDividendsMember" name="O2023M4ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2026M2DividendsMember" name="O2026M2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M6DividendsMember" name="O2024M6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LoanSoldMember" name="LoanSoldMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoanOnRealEstateProvisionForReversalOfCreditLoanAllowanceLosses" name="MortgageLoanOnRealEstateProvisionForReversalOfCreditLoanAllowanceLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_ArborMistAndParkviewMember" name="ArborMistAndParkviewMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A3DividendsMember" name="O2022A3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AmortizationOfDeferredExitFees" name="AmortizationOfDeferredExitFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_NumberOfLoansMortgageLoansOnRealEstate" name="NumberOfLoansMortgageLoansOnRealEstate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022M9ClassDAndClassTCommonStockDividendsMember" name="O2022M9ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023A11AndM11DividendsMember" name="O2023A11AndM11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A1AndM1DividendsMember" name="O2022A1AndM1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M8ClassDAndClassTCommonStockDividendsMember" name="O2023M8ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MinimumRequiredAverageUnrestrictedAggregateDepositAccountBalanceAmountToBeMaintained" name="MinimumRequiredAverageUnrestrictedAggregateDepositAccountBalanceAmountToBeMaintained" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanThirteenMember" name="FirstMortgageLoanThirteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardUpdate201613" name="FinancingReceivableAllowanceForCreditLossAdoptionOfAccountingStandardUpdate201613" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_PercentageOfMortgageLoansOnRealEstatePropertyOccupied" name="PercentageOfMortgageLoansOnRealEstatePropertyOccupied" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022M8ClassDCommonStockDividendsMember" name="O2022M8ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A9AndM9DividendsMember" name="O2024A9AndM9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MonthlyFixedComponentOfAdvisoryFeeAsPercentOfNetAssetValueOfAssets" name="MonthlyFixedComponentOfAdvisoryFeeAsPercentOfNetAssetValueOfAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M7ClassDAndClassTCommonStockDividendsMember" name="O2024M7ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ShareRepurchaseProgramMember" name="ShareRepurchaseProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MixedUsePropertyMember" name="MixedUsePropertyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_LocationAcquired" name="LocationAcquired" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_CreditLoanTwoMember" name="CreditLoanTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfLoansRiskRatedTwo" name="NumberOfLoansRiskRatedTwo" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_LondonInterbankOfferedRatesLiborMember" name="LondonInterbankOfferedRatesLiborMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A5AndM5DividendsMember" name="O2024A5AndM5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_CreditLoansMember" name="CreditLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateLoanWrittenOff" name="MortgageLoansOnRealEstateLoanWrittenOff" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2023A10AndM10DividendsMember" name="O2023A10AndM10DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M11ClassDAndClassTCommonStockDividendsMember" name="O2025M11ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ArlingtonTxLoanMember" name="ArlingtonTxLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanTenMember" name="FirstMortgageLoanTenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M5DividendsMember" name="O2023M5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InvestmentGradeFiveMember" name="InvestmentGradeFiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M10ClassTCommonStockDividendsMember" name="O2023M10ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ConvertibleByOptionTermLoanInitialMaturityPeriod" name="ConvertibleByOptionTermLoanInitialMaturityPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024A9DividendsMember" name="O2024A9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_TwoThousandTwentyFourAcquisitionsMember" name="TwoThousandTwentyFourAcquisitionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AtlasRepoFacilityMember" name="AtlasRepoFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M5ClassDCommonStockDividendsMember" name="O2022M5ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M6ClassDAndClassTCommonStockDividendsMember" name="O2023M6ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A12DividendsMember" name="O2024A12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M11DividendsMember" name="O2024M11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateOwnedPolicyTextBlock" name="RealEstateOwnedPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2022A4AndM4DividendsMember" name="O2022A4AndM4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoanOnRealEstateProvisionForCreditLoanAllowanceLosses" name="MortgageLoanOnRealEstateProvisionForCreditLoanAllowanceLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_MortgageLoansOnRealEstateAdoptionOfAsu201613" name="MortgageLoansOnRealEstateAdoptionOfAsu201613" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2023M9ClassDAndClassTCommonStockDividendsMember" name="O2023M9ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoansApplicableReferenceRatePercentage" name="MortgageLoansApplicableReferenceRatePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2025A6AndM6DividendsMember" name="O2025A6AndM6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M8ClassDAndClassTCommonStockDividendsMember" name="O2024M8ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M2ClassDAndClassTCommonStockDividendsMember" name="O2025M2ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_NumberOfDaysToUnderwriterToAdditionalPreferredShares" name="NumberOfDaysToUnderwriterToAdditionalPreferredShares" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanThreeMember" name="FirstMortgageLoanThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M9DividendsMember" name="O2022M9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022M9ClassTCommonStockDividendsMember" name="O2022M9ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A7AndM7DividendsMember" name="O2025A7AndM7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M10ClassDCommonStockDividendsMember" name="O2024M10ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2026M1DividendsMember" name="O2026M1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ConverseTXLoanMember" name="ConverseTXLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A3AndM3DividendsMember" name="O2022A3AndM3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InterestIncomeForgoneOnLoans" name="InterestIncomeForgoneOnLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_ParticipationDealersFeeAsPercentageOnTransactionPrice" name="ParticipationDealersFeeAsPercentageOnTransactionPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_InterestReserveThroughMaturityAddedToPrincipalAmount" name="InterestReserveThroughMaturityAddedToPrincipalAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_SaleOfStockAveragePricePerShare" name="SaleOfStockAveragePricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_O2024M3DividendsMember" name="O2024M3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AggregateNetAssetValueOfSharesRepurchasedPerQuarter" name="AggregateNetAssetValueOfSharesRepurchasedPerQuarter" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_RelatedPartyTransactionUpfrontSellingCommissionPercentage" name="RelatedPartyTransactionUpfrontSellingCommissionPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001690012_RealEstateOwnedNet" name="RealEstateOwnedNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_DeferredTaxBenefitValuationAllowance" name="DeferredTaxBenefitValuationAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_O2024A11DividendsMember" name="O2024A11DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ReductionInTheCarryingAmountOfTheRightOfUseAsset" name="ReductionInTheCarryingAmountOfTheRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_FirstMortgageLoanSeventeenMember" name="FirstMortgageLoanSeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M8ClassTCommonStockDividendsMember" name="O2023M8ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_AdvisorSubAdvisorAndDealerManagerMember" name="AdvisorSubAdvisorAndDealerManagerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M4ClassTCommonStockDividendsMember" name="O2025M4ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateCapitalExpenditures" name="RealEstateCapitalExpenditures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2024M2ClassTCommonStockDividendsMember" name="O2024M2ClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_DistributionsDeclaredLineItems" name="DistributionsDeclaredLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2023M1ClassDAndClassTCommonStockDividendsMember" name="O2023M1ClassDAndClassTCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchase" name="PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchase" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_LasVegasNvMember" name="LasVegasNvMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_TotalAllowanceForCreditLosses" name="TotalAllowanceForCreditLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001690012_O2023M7DividendsMember" name="O2023M7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024A7AndM7DividendsMember" name="O2024A7AndM7DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_PortlandOrLoanMember" name="PortlandOrLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RealEstateOwnedLand" name="RealEstateOwnedLand" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001690012_AddisonOrIrvingTXMember" name="AddisonOrIrvingTXMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_ArborMistMember" name="ArborMistMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A5DividendsMember" name="O2025A5DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M4DividendsMember" name="O2025M4DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A1DividendsMember" name="O2025A1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025M7ClassDCommonStockDividendsMember" name="O2025M7ClassDCommonStockDividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2024M9DividendsMember" name="O2024M9DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2025A8AndM8DividendsMember" name="O2025A8AndM8DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A6DividendsMember" name="O2022A6DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_InvestmentGradeFourMember" name="InvestmentGradeFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_RevolvingCreditLiquidityLetterAgreementsMember" name="RevolvingCreditLiquidityLetterAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_O2022A12AndM12DividendsMember" name="O2022A12AndM12DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001690012_MortgageLoanMaturityDate" name="MortgageLoanMaturityDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
