-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 ShsywQ/+RWb+K1OpCjeSHpJILCAoESKr+kD+sS9PShZAkpsJAaXU9j7D0584DTZm
 5BxCMToI7G6xO/VdWedfdw==

<SEC-DOCUMENT>0001464688-09-000001.txt : 20090529
<SEC-HEADER>0001464688-09-000001.hdr.sgml : 20090529
<ACCEPTANCE-DATETIME>20090529152516
ACCESSION NUMBER:		0001464688-09-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20090529
DATE AS OF CHANGE:		20090529
EFFECTIVENESS DATE:		20090529

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Prime South Main, L.P.
		CENTRAL INDEX KEY:			0001464688
		IRS NUMBER:				264819774
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-131592
		FILM NUMBER:		09861336

	BUSINESS ADDRESS:	
		STREET 1:		C/O PRIME GROUP, INC.
		STREET 2:		50 CALIFORNIA STREET, SUITE 3240
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		(415) 986-2415

	MAIL ADDRESS:	
		STREET 1:		C/O PRIME GROUP, INC.
		STREET 2:		50 CALIFORNIA STREET, SUITE 3240
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0301</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001464688</cik>
        <entityName>Prime South Main, L.P.</entityName>
        <issuerAddress>
            <street1>C/O PRIME GROUP, INC.</street1>
            <street2>50 CALIFORNIA STREET, SUITE 3240</street2>
            <city>SAN FRANCISCO</city>
            <stateOrCountry>CA</stateOrCountry>
            <zipCode>94111</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(415) 986-2415</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>CA</jurisdictionOfInc>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <middleName>C.</middleName>
                <lastName>Atwater</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Prime Group, Inc.</street1>
                <street2>50 California Street, Sutie 3240</street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94111</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>John Atwater is Manager of the Managing Member of the General Partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Main Acquisition LLC</firstName>
                <middleName></middleName>
                <lastName>Prime South</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Prime Group, Inc.</street1>
                <street2>50 California Street, Suite 3240</street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94111</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Prime South Main Acquisition LLC is the General Partner of the Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Resources Group, LLC</firstName>
                <middleName></middleName>
                <lastName>Construction Management</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Prime Group, Inc.</street1>
                <street2>50 California Street, Suite 3240</street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94111</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Construction Management Resources Group, LLC is the Managing Member of the General Partner of the Issuer.</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Residential</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-05-28</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Limited Partnership Interests</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>10687500</totalOfferingAmount>
            <totalAmountSold>9500000</totalAmountSold>
            <totalRemaining>1187500</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>21</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Prime South Main, L.P.</issuerName>
                <signatureName>John C. Atwater</signatureName>
                <nameOfSigner>John C. Atwater</nameOfSigner>
                <signatureTitle>Manager of Managing Member of General Partner of Issuer</signatureTitle>
                <signatureDate>2009-05-29</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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