<SUBMISSION>
<ACCESSION-NUMBER>0001209191-17-059868
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20171106
<FILING-DATE>20171108
<DATE-OF-FILING-DATE-CHANGE>20171108
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>NEW ENTERPRISE ASSOCIATES 13 LP
<CIK>0001452907
<STATE-OF-INCORPORATION>E9
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36269
<FILM-NUMBER>171188045
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1119 ST PAUL STREET
<CITY>BALTIMORE
<STATE>MD
<ZIP>21202
<PHONE>410-244-0115
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1119 ST PAUL STREET
<CITY>BALTIMORE
<STATE>MD
<ZIP>21202
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Care.com Inc
<CIK>0001412270
<ASSIGNED-SIC>7200
<IRS-NUMBER>205785879
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>77 FOURTH AVENUE
<STREET2>5TH FLOOR
<CITY>Waltham
<STATE>MA
<ZIP>02451
<PHONE>781 642 5900
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>77 FOURTH AVENUE
<STREET2>5TH FLOOR
<CITY>Waltham
<STATE>MA
<ZIP>02451
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-11-06</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001452907</rptOwnerCik>
            <rptOwnerName>NEW ENTERPRISE ASSOCIATES 13 LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1954 GREENSPRING DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>TIMONIUM</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21093</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2256013</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">New Enterprise Associates 13, L.P. (&quot;NEA 13&quot;) made a pro rata distribution for no consideration of an aggregate of 1,000,000 shares of Common Stock of the Issuer, to its general partner and its limited partners on November 6, 2017.</footnote>
        <footnote id="F2">The shares are directly held by NEA 13 and are indirectly held by NEA Partners 13, L.P. (&quot;NEA Partners 13&quot;), the sole general partner of NEA 13, NEA 13 GP, LTD (&quot;NEA 13 LTD&quot;), the sole general partner of NEA Partners 13 and each of the individual directors of NEA 13 LTD (NEA Partners 13, NEA 13 LTD and the individual directors of NEA 13 LTD (collectively, the &quot;Directors&quot;) together, the &quot;Indirect Reporting Persons&quot;). The Directors of NEA 13 LTD are M. James Barrett, Peter J. Barris, Forest Baskett, Patrick J. Kerins, David M. Mott, Scott D. Sandell and Ravi Viswanathan. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 13 shares in which the Indirect Reporting Persons have no pecuniary interest.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sasha Keough, attorney-in-fact</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
