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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-08-04</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001828105</issuerCik>
        <issuerName>Hippo Holdings Inc.</issuerName>
        <issuerTradingSymbol>HIPO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001875144</rptOwnerCik>
            <rptOwnerName>Len FW Investor, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>700 NW 107TH AVE SUITE 400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33172</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000920760</rptOwnerCik>
            <rptOwnerName>LENNAR CORP /NEW/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>700 NW 107TH AVE SUITE 400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33172</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001875154</rptOwnerCik>
            <rptOwnerName>Len X, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>700 NW 107TH AVE SUITE 400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33172</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29339123</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to the business combination of Hippo Holdings Inc. (the &quot;Issuer&quot;) and Hippo Enterprises Inc. (&quot;Old Hippo&quot;), each share of Old Hippo outstanding common stock was automatically converted into the right to shares of the Issuer's Common Stock based on a 1 to 6.95433 conversion ratio.</footnote>
        <footnote id="F2">The securities are directly owned by Len FW Investor, LLC (&quot;LEN FW&quot;), the sole member of which is LEN X, LLC (&quot;LENX&quot;), which is a wholly-owned subsidiary of Lennar Corporation (&quot;Lennar&quot;), a publicly traded company with its stock listed on the NYSE. LENX and Lennar are indirect beneficial owners and disclaim beneficial ownership except to the extent of their pecuniary interest therein. LEN FW holds a proxy to vote an additional 51,477,246 shares, but it has no pecuniary interest in those shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Mark Sustana as VP, GC and Secretary of Lennar Corporation</signatureName>
        <signatureDate>2021-08-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Mark Sustana as VP of LEN X, LLC</signatureName>
        <signatureDate>2021-08-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Mark Sustana as VP of LEN FW Investor, LLC</signatureName>
        <signatureDate>2021-08-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
