-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 ROKKkR41kELvhTa6LiEqDcfEXw3pcxpvN6eJIqPAllGXBWuBVv1zGPwzx4evYXZ+
 k2WD+3sDvLeQ0mC9UG86nQ==

<SEC-DOCUMENT>0001472858-09-000001.txt : 20090924
<SEC-HEADER>0001472858-09-000001.hdr.sgml : 20090924
<ACCEPTANCE-DATETIME>20090923200301
ACCESSION NUMBER:		0001472858-09-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20090924
DATE AS OF CHANGE:		20090923
EFFECTIVENESS DATE:		20090924

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Investco AV21 LLC
		CENTRAL INDEX KEY:			0001472858
		IRS NUMBER:				263130787
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-134683
		FILM NUMBER:		091083552

	BUSINESS ADDRESS:	
		STREET 1:		2145 19TH AVENUE, SUITE 203
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94116
		BUSINESS PHONE:		415-661-1950

	MAIL ADDRESS:	
		STREET 1:		2145 19TH AVENUE, SUITE 203
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94116
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0502</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001472858</cik>
        <entityName>Investco AV21 LLC</entityName>
        <issuerAddress>
            <street1>2145 19TH AVENUE, SUITE 203</street1>
            <street2></street2>
            <city>SAN FRANCISCO</city>
            <stateOrCountry>CA</stateOrCountry>
            <zipCode>94116</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>415-661-1950</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>CALIFORNIA</jurisdictionOfInc>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2008</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Steven</firstName>
                <middleName>Gary</middleName>
                <lastName>Thompson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2145 19th Avenue #203</street1>
                <street2></street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94116</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member of Sponsor, Investco Management &amp; Development LLC</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Douglas</firstName>
                <middleName></middleName>
                <lastName>Hanson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2145 19th Avenue #203</street1>
                <street2></street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94116</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Member, Investco Management &amp; Development LLC, Sponsor</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Barry</firstName>
                <middleName></middleName>
                <lastName>LeBendig</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2145 19th Avenue #203</street1>
                <street2></street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94116</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Member, Investco Management &amp; Development LLC, Sponsor</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christopher</firstName>
                <middleName></middleName>
                <lastName>Epsha</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2145 19th Avenue #203</street1>
                <street2></street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94116</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member, Investco Management &amp; Development LLC, Sponsor</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Real Estate</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$1,000,001 - $5,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2008-11-24</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>10000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Investco Management &amp; Development LLC</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>2145 19th Avenue #203</street1>
                    <street2></street2>
                    <city>San Francisco</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <zipCode>94116</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>2800000</totalOfferingAmount>
            <totalAmountSold>2112500</totalAmountSold>
            <totalRemaining>687500</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>true</hasNonAccreditedInvestors>
            <numberNonAccreditedInvestors>19</numberNonAccreditedInvestors>
            <totalNumberAlreadyInvested>19</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>168000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>135000</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>Management Fees</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Investco AV21 LLC</issuerName>
                <signatureName>/s/ Chris Epsha</signatureName>
                <nameOfSigner>Christopher Epsha</nameOfSigner>
                <signatureTitle>Manager, Investco Management &amp; Development LLC</signatureTitle>
                <signatureDate>2009-09-21</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----