<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-12-12</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001577670</issuerCik>
        <issuerName>Ladder Capital Corp</issuerName>
        <issuerTradingSymbol>LADR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001463559</rptOwnerCik>
            <rptOwnerName>Her Majesty the Queen in Right of the Province of Alberta as represented by Alberta Investment Management Corp</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1100-10830 JASPER AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>EDMONTON, ALBERTA</rptOwnerCity>
            <rptOwnerState>A0</rptOwnerState>
            <rptOwnerZipCode>T5J2B3</rptOwnerZipCode>
            <rptOwnerStateDescription>ALBERTA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-12-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3089491</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.60</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9130756</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Sold in connection with the registered, underwritten public offering by selling stockholders of shares of Class A Common Stock of Ladder Capital Corp. (the &quot;Issuer&quot;), which closed on December 12, 2016, including full exercise of the underwriters' option to purchase additional shares.  For more information, see the Issuer's final prospectus filed pursuant to Rule 424(b)(3) on December 7, 2016.</footnote>
        <footnote id="F2">The securities are held directly by GP09 PX (LAPP) Ladder Capital Ltd. (1,625,073 shares sold in the offering, and 4,802,777 shares following the offering), GP09 PX Ladder Capital Ltd. (355,291 shares sold in the offering, and 1,050,037 shares following the offering), and GP09 GV Ladder Capital Ltd. (1,109,127 shares sold in the offering, and 3,277,942 shares following the offering). Alberta Investment Management Corporation (&quot;AIMCo&quot;) may be deemed to have voting and investment power with respect to shares held by GP09 PX (LAPP) Ladder Capital Ltd., GP09 PX Ladder Capital Ltd., and GP09 GV Ladder Capital Ltd. AIMCo disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of the Issuer's shares reported herein in which AIMCo has no actual pecuniary interest.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jon Reay, Chief Compliance Officer</signatureName>
        <signatureDate>2016-12-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
