<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-07-17</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001178970</issuerCik>
        <issuerName>PROVIDENT FINANCIAL SERVICES INC</issuerName>
        <issuerTradingSymbol>PFS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001237603</rptOwnerCik>
            <rptOwnerName>FEKETE FRANK L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Stock Options</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>18.57</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-07-17</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>160000</value>
            </transactionShares>
            <transactionValue>
                <value>0</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>2004-07-17</value>
        </exerciseDate>
        <expirationDate>
            <value>2013-07-17</value>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>160000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>160000</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">Shares vest at a rate of 20% per year over a period ending on July 17, 2008.</footnote>
        <footnote id="F2">Also owns 1,000 shares of common stock indirectly by trust held by wife for her grandmother, 7,500 shares of common stock indirectly by wife, 2,000 shares of common stock indirectly by wife as custodian for son, 10,000 shares of common stock indirectly by a custodian for a retirement account f/b/o the reporting person, and 2,000 shares of common stock indirectly by daughter.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John F. Kuntz</signatureName>
        <signatureDate>2003-07-21</signatureDate>
    </ownerSignature>

</ownershipDocument>

