<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2016-07-13</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001412270</issuerCik>
        <issuerName>Care.com Inc</issuerName>
        <issuerTradingSymbol>CRCM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001678227</rptOwnerCik>
            <rptOwnerName>Sturdy Laela</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>GOOGLE CAPITAL</rptOwnerStreet1>
            <rptOwnerStreet2>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Convertible Preferred Stock, Series A</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.50</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4414286</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Convertible Preferred Stock, Series A, par value $0.001 per share (the &quot;Convertible Preferred Stock&quot;), is convertible at any time and has no expiration date. Care.com, Inc. may mandatorily convert the Convertible Preferred Stock into Common Stock (i) at any time after the seventh anniversary of June 29, 2016 (the &quot;Closing Date&quot;), and (ii) between the fifth anniversary and the seventh anniversary of the Closing Date, if certain conditions are met.</footnote>
        <footnote id="F2">Google Capital 2016, L.P. directly holds shares of the Convertible Preferred Stock.  Google Capital 2016 GP, L.L.C. is the general partner of Google Capital 2016, L.P. The Reporting Person is a partner of Google Capital 2016, L.P. and disclaims beneficial ownership of the Convertible Preferred Stock, except to the extent of her pecuniary interest, if any, therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Laela Sturdy</signatureName>
        <signatureDate>2016-07-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
