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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RNgHBWa6FhrABA36v7BHRhzO01De3kzJRBBF0kbEEzYm3bSGCNaV2urYLnOp/XA3
 nTM8PH8n3T6yVXxmCzL3iw==

<SEC-DOCUMENT>0001179110-07-013729.txt : 20070622
<SEC-HEADER>0001179110-07-013729.hdr.sgml : 20070622
<ACCEPTANCE-DATETIME>20070622163239
ACCESSION NUMBER:		0001179110-07-013729
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070620
FILED AS OF DATE:		20070622
DATE AS OF CHANGE:		20070622

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HOUNSLOW JOHN J
		CENTRAL INDEX KEY:			0001189035

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23877
		FILM NUMBER:		07936824

	BUSINESS ADDRESS:	
		STREET 1:		2860 W BAYSHORE RD
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94303
		BUSINESS PHONE:		6508138200

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HERITAGE COMMERCE CORP
		CENTRAL INDEX KEY:			0001053352
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				770469558
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		150 ALMADEN BOULEVARD
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95113
		BUSINESS PHONE:		4089476900

	MAIL ADDRESS:	
		STREET 1:		150 ALMADEN BOULEVARD
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95113
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-06-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001053352</issuerCik>
        <issuerName>HERITAGE COMMERCE CORP</issuerName>
        <issuerTradingSymbol>HTBK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001189035</rptOwnerCik>
            <rptOwnerName>HOUNSLOW JOHN J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>150 ALMADEN BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-06-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>104623</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>104623</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Received in exchange for 108,700 shares of Diablo Valley Bank Common Stock in connection with merger of Diablo Valley Bank into Heritage Bank of Commerce, a wholly-owned subsidiary of Heritage Commerce Corp (the &quot;Merger&quot;).  On the effective date of the Merger, the closing price of Diablo Valley Bank was $22.70, and the closing price of Heritage Commerce Corp was $23.28 per share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Rebecca A. Levey, Attorney-in- Fact</signatureName>
        <signatureDate>2007-06-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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