-----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,
 ADAcynUUAnLjDtyiQ10gIU4I3ZsxJR/Y/4z7bl+C3a+fBHnr7weq0fqWJO9TqRPs
 mSMxLfLIJ9EGoWqOb6XJKw==

<SEC-DOCUMENT>0000354647-04-000056.txt : 20040505
<SEC-HEADER>0000354647-04-000056.hdr.sgml : 20040505
<ACCEPTANCE-DATETIME>20040505194317
ACCESSION NUMBER:		0000354647-04-000056
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040503
FILED AS OF DATE:		20040505

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CVB FINANCIAL CORP
		CENTRAL INDEX KEY:			0000354647
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				953629339
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		701 N HAVEN AVE STE 350
		CITY:			ONTARIO
		STATE:			CA
		ZIP:			91764
		BUSINESS PHONE:		9099804030

	MAIL ADDRESS:	
		STREET 1:		701 N HAVEN AVENUE
		CITY:			ONTARIO
		STATE:			CA
		ZIP:			91764

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BORBA JOHN
		CENTRAL INDEX KEY:			0000936999

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10140
		FILM NUMBER:		04783047

	BUSINESS ADDRESS:	
		STREET 1:		CVB FINANCIAL CORP
		STREET 2:		701 NORTH HAVEN AVENUE STE 350
		CITY:			ONTARIO
		STATE:			CA
		ZIP:			91764
		BUSINESS PHONE:		9099804030

	MAIL ADDRESS:	
		STREET 1:		CVB FINANCIAL CORP
		STREET 2:		701 NORTH HAVEN AVE STE 350
		CITY:			ONTARIO
		STATE:			CA
		ZIP:			91764
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>jborba050304_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000354647</issuerCik>
        <issuerName>CVB FINANCIAL CORP</issuerName>
        <issuerTradingSymbol>CVBF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000936999</rptOwnerCik>
            <rptOwnerName>BORBA JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CVB FINANCIAL CORP</rptOwnerStreet1>
            <rptOwnerStreet2>701 NORTH HAVEN AVENUE STE 350</rptOwnerStreet2>
            <rptOwnerCity>ONTARIO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91764</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-05-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.4109</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1352469.0602</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>John Borba</signatureName>
        <signatureDate>2004-05-05</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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