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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0002043439</cik>
        <entityName>US National Infrastructure Development Fund 2, LLC</entityName>
        <issuerAddress>
            <street1>11900 NE 1ST STREET</street1>
            <street2>SUITE 300</street2>
            <city>BELLEVUE</city>
            <stateOrCountry>WA</stateOrCountry>
            <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
            <zipCode>98005</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(213) 222-6803</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2024</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>KT Boston Infra Manager, LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>11900 NE 1st Street, Suite 300</street1>
                <city>Bellevue</city>
                <stateOrCountry>WA</stateOrCountry>
                <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
                <zipCode>98005</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Tang</firstName>
                <lastName>Tang</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>11900 NE 1st Street, Suite 300</street1>
                <city>Bellevue</city>
                <stateOrCountry>WA</stateOrCountry>
                <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
                <zipCode>98005</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of KT Boston Infra Manager, LLC, Manager of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kristine</firstName>
                <lastName>Stamper</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>11900 NE 1st Street, Suite 300</street1>
                <city>Bellevue</city>
                <stateOrCountry>WA</stateOrCountry>
                <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
                <zipCode>98005</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Director of KT Boston Infra Manager, LLC, Manager of the Issuer</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Construction</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06c</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2024-08-10</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>800000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Visas Boston SD INC</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>2901</street1>
                    <street2>1045 Huaihai Road Central</street2>
                    <city>Shanghai</city>
                    <stateOrCountry>F4</stateOrCountry>
                    <stateOrCountryDescription>CHINA</stateOrCountryDescription>
                    <zipCode>200031</zipCode>
                </recipientAddress>
                <statesOfSolicitationList></statesOfSolicitationList>
                <foreignSolicitation>true</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Kookmin Emigration Corporation</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>8F, Vision Tower, 312</street1>
                    <street2>Teheran-ro, Gangnam-gu</street2>
                    <city>Seoul</city>
                    <stateOrCountry>M5</stateOrCountry>
                    <stateOrCountryDescription>KOREA, REPUBLIC OF</stateOrCountryDescription>
                    <zipCode>None</zipCode>
                </recipientAddress>
                <statesOfSolicitationList></statesOfSolicitationList>
                <foreignSolicitation>true</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>45600000</totalOfferingAmount>
            <totalAmountSold>13000000</totalAmountSold>
            <totalRemaining>32600000</totalRemaining>
            <clarificationOfResponse>As of the date hereof, $13,000,000.00 has been deposited in escrow and released.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>17</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>10300000</dollarAmount>
                <isEstimate>true</isEstimate>
            </findersFees>
            <clarificationOfResponse>Amount provided is total amount of commissions anticipated for the max number of potential investors, calculated at 4.5% per annum on $45,600,000 for 5 yrs, and includes initial fees and amounts payable over time for the duration of the investment period.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>US National Infrastructure Development Fund 2, LLC</issuerName>
                <signatureName>/s/ Kristine Stamper</signatureName>
                <nameOfSigner>Kristine Stamper</nameOfSigner>
                <signatureTitle>Director of the Manager of the Issuer</signatureTitle>
                <signatureDate>2024-11-12</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
