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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2016-06-29</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001678225</rptOwnerCik>
            <rptOwnerName>Google Capital 2016, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001678226</rptOwnerCik>
            <rptOwnerName>Google Capital 2016 GP, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001288776</rptOwnerCik>
            <rptOwnerName>GOOGLE INC.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001652044</rptOwnerCik>
            <rptOwnerName>Alphabet Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</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., the general partner of Google Capital 2016, L.P., Google Inc., the managing member of Google Capital 2016 GP, L.L.C., and Alphabet Inc., the sole stockholder of Google Inc., may each be deemed to have sole power to vote and dispose of these shares. Each of Google Capital 2016 GP, L.L.C., Google Inc., and Alphabet Inc. disclaims beneficial ownership of the Convertible Preferred Stock, except to the extent of any pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Google Capital 2016, L.P., by Google Capital 2016 GP, L.L.C., its General Partner, by: /s/ Jeremiah Gordon, Name: Jeremiah Gordon, Title: General Counsel and Secretary</signatureName>
        <signatureDate>2016-07-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Google Capital 2016 GP, L.L.C., by: /s/ Jeremiah Gordon, Name: Jeremiah Gordon, Title: General Counsel and Secretary</signatureName>
        <signatureDate>2016-07-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Google Inc., by: /s/ Christine Flores, Name: Christine Flores, Title: Assistant Secretary</signatureName>
        <signatureDate>2016-07-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Alphabet Inc., by: /s/ Christine Flores, Name: Christine Flores, Title: Assistant Secretary</signatureName>
        <signatureDate>2016-07-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
