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

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001463922</cik>
        <entityName>BR Senior Secured Debenture Trust, LLC</entityName>
        <issuerAddress>
            <street1>399 Park Avenue</street1>
            <street2>32nd Floor</street2>
            <city>NEW YORK</city>
            <stateOrCountry>NY</stateOrCountry>
            <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
            <zipCode>10022</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>212-843-1601</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>x</firstName>
                <lastName>Bluerock Real Estate</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>R</firstName>
                <middleName>Ramin</middleName>
                <lastName>Kamfar</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>James</firstName>
                <middleName>G</middleName>
                <lastName>Babb III</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jordan</firstName>
                <middleName>B</middleName>
                <lastName>Ruddy</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jerold</firstName>
                <middleName>E</middleName>
                <lastName>Novacek</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Patricia</firstName>
                <middleName>S</middleName>
                <lastName>Anderson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <middleName>L</middleName>
                <lastName>Konig</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>x</firstName>
                <lastName>BR Senior Secured Debenture Trust Manager, LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>399 Park Avenue</street1>
                <street2>32nd Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10022</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of BR Senior Secured Debenture Trust</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>REITS and Finance</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.5</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001463922-09-000006</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-06-30</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>24000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Darrell Karnopp</recipientName>
                <recipientCRDNumber>5224015</recipientCRDNumber>
                <associatedBDName>CapWest Securities</associatedBDName>
                <associatedBDCRDNumber>30002</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>4523 Camden Brook Lane</street1>
                    <city>Katy</city>
                    <stateOrCountry>TX</stateOrCountry>
                    <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                    <zipCode>77494</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>G. Russell Conrad</recipientName>
                <recipientCRDNumber>2746778</recipientCRDNumber>
                <associatedBDName>J. P. Turner and Company, L.L.C.</associatedBDName>
                <associatedBDCRDNumber>43177</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>210 S. Ninth Street</street1>
                    <city>Lewiston</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                    <zipCode>14092</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>FL</state>
                    <description>FLORIDA</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                    <state>TX</state>
                    <description>TEXAS</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Gary Ackerman</recipientName>
                <recipientCRDNumber>4668422</recipientCRDNumber>
                <associatedBDName>CapWest Securities</associatedBDName>
                <associatedBDCRDNumber>30002</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>4198 Cox Road</street1>
                    <street2>Suite 100</street2>
                    <city>Glen Allen</city>
                    <stateOrCountry>VA</stateOrCountry>
                    <stateOrCountryDescription>VIRGINIA</stateOrCountryDescription>
                    <zipCode>23060</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MD</state>
                    <description>MARYLAND</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Jeffrey Sanders</recipientName>
                <recipientCRDNumber>2200497</recipientCRDNumber>
                <associatedBDName>Fintegra</associatedBDName>
                <associatedBDCRDNumber>16741</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>555 S. Federal Hwy</street1>
                    <street2>#430</street2>
                    <city>Boca Raton</city>
                    <stateOrCountry>FL</stateOrCountry>
                    <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                    <zipCode>33432</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>FL</state>
                    <description>FLORIDA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Brian Wiedersum</recipientName>
                <recipientCRDNumber>2489614</recipientCRDNumber>
                <associatedBDName>Fintegra</associatedBDName>
                <associatedBDCRDNumber>16471</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>555 S. Federal Hwy</street1>
                    <street2>#430</street2>
                    <city>Boca Raton</city>
                    <stateOrCountry>FL</stateOrCountry>
                    <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                    <zipCode>33432</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>FL</state>
                    <description>FLORIDA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Andrew Martin</recipientName>
                <recipientCRDNumber>1335601</recipientCRDNumber>
                <associatedBDName>Girard Securities</associatedBDName>
                <associatedBDCRDNumber>18697</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>9560 Waples St</street1>
                    <street2>Suite B</street2>
                    <city>San Diego</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>92121</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>TN</state>
                    <description>TENNESSEE</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Brian Soloman</recipientName>
                <recipientCRDNumber>1715160</recipientCRDNumber>
                <associatedBDName>Independent Financial Group</associatedBDName>
                <associatedBDCRDNumber>7717</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>12636 High Bluff</street1>
                    <street2>Suite 200</street2>
                    <city>San Diego</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>92130</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>James Lamont</recipientName>
                <recipientCRDNumber>2846228</recipientCRDNumber>
                <associatedBDName>Independent Financial Group</associatedBDName>
                <associatedBDCRDNumber>7717</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1400 Grant Avenue</street1>
                    <street2>Suite 101</street2>
                    <city>Novato</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>94945</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Timothy Sweeney</recipientName>
                <recipientCRDNumber>2669172</recipientCRDNumber>
                <associatedBDName>JP Turner</associatedBDName>
                <associatedBDCRDNumber>43177</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>3060 Peachtree Rd NW</street1>
                    <street2>11th Floor</street2>
                    <city>Atlanta</city>
                    <stateOrCountry>GA</stateOrCountry>
                    <stateOrCountryDescription>GEORGIA</stateOrCountryDescription>
                    <zipCode>30305</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>William Laseter</recipientName>
                <recipientCRDNumber>1086701</recipientCRDNumber>
                <associatedBDName>JP Turner</associatedBDName>
                <associatedBDCRDNumber>43177</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>3060 Peachtree Rd NW</street1>
                    <street2>11th Floor</street2>
                    <city>Atlanta</city>
                    <stateOrCountry>GA</stateOrCountry>
                    <stateOrCountryDescription>GEORGIA</stateOrCountryDescription>
                    <zipCode>30305</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>GA</state>
                    <description>GEORGIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Jervis Dicicco</recipientName>
                <recipientCRDNumber>5325609</recipientCRDNumber>
                <associatedBDName>Private Asset Group</associatedBDName>
                <associatedBDCRDNumber>142541</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>2190 S Mason Rd</street1>
                    <street2>Suite 202</street2>
                    <city>St Louis</city>
                    <stateOrCountry>MO</stateOrCountry>
                    <stateOrCountryDescription>MISSOURI</stateOrCountryDescription>
                    <zipCode>63131</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MO</state>
                    <description>MISSOURI</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Spencer Huggett</recipientName>
                <recipientCRDNumber>4538364</recipientCRDNumber>
                <associatedBDName>QA3 Financial</associatedBDName>
                <associatedBDCRDNumber>14754</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>One Valmont Plaza</street1>
                    <street2>4th Floor</street2>
                    <city>Omaha</city>
                    <stateOrCountry>NE</stateOrCountry>
                    <stateOrCountryDescription>NEBRASKA</stateOrCountryDescription>
                    <zipCode>68154</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>SD</state>
                    <description>SOUTH DAKOTA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Kenneth Erikson</recipientName>
                <recipientCRDNumber>2229299</recipientCRDNumber>
                <associatedBDName>Synergy Investment Group</associatedBDName>
                <associatedBDCRDNumber>46035</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>130 Buckwheat Dr</street1>
                    <city>Gibsonia</city>
                    <stateOrCountry>PA</stateOrCountry>
                    <stateOrCountryDescription>PENNSYLVANIA</stateOrCountryDescription>
                    <zipCode>15044</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>PA</state>
                    <description>PENNSYLVANIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>25000000</totalOfferingAmount>
            <totalAmountSold>1947000</totalAmountSold>
            <totalRemaining>23053000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>25</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>136290</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>34081</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>As of 8/10/10</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>BR Senior Secured Debenture Trust, LLC</issuerName>
                <signatureName>James Gregath</signatureName>
                <nameOfSigner>James Gregath</nameOfSigner>
                <signatureTitle>CCO - Select Capital Corp</signatureTitle>
                <signatureDate>2010-08-10</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
