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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-06-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000354950</issuerCik>
        <issuerName>HOME DEPOT INC</issuerName>
        <issuerTradingSymbol>HD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000947324</rptOwnerCik>
            <rptOwnerName>BATCHELDER DAVID H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12400 HIGH BLUFF DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92130</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>$.05 Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-06-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>247301</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.23</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36651483</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Through Limited Partnerships and accounts managed by reporting person</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the average price for transactions reported herein.</footnote>
        <footnote id="F2">The reporting person is one of the Principals of RILLC. RILLC is the record owner of 100 shares and sole general partner, or the sole managing member of the general partner, of Relational Investors, L.P., Relational Fund Partners, L.P., Relational Coast Partners, L.P., Relational Partners, L.P., RH Fund 1, L.P., RH Fund 2, L.P., RH Fund 4, L.P., RH Fund 6, L.P., RH Fund 7, L.P., Relational Investors III, L.P., Relational Investors VIII, L.P., Relational Investors IX, L.P., Relational Investors X, L.P., Relational Investors XI, L.P., Relational Investors XV, L.P., Relational Investors XVI, L.P., Relational Investors XX, L.P., Relational Investors XXII, L.P., Relational Investors XXIII, and Relational Investors Alpha Fund I, L.P.</footnote>
        <footnote id="F3">These Limited Partnerships own a total of 23,423,011 shares. An additional 4,243,035 shares are held in accounts managed by RILLC and an additional 8,985,337 shares are held through co-investment arrangements with certain entities listed above. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F4">On June 13, 2008, as a result of elections by the limited partners of RH Fund 2, L.P. and Relational Investors XI, L.P to redeem their interest in the respective partnerships, RILLC caused RH Fund 2, L.P. and Relational Investors XI, L.P. to distribute to the respective limited partners 1,975,728 and 794,085 shares, representing the limited partners' pro rata interest in the shares held by RH Fund 2, L.P and Relational Investors XI, L.P.  The shares distributed to the limited partners are no longer included in the reporting person's Form 4.  The distributions had no effect on the reporting person's pecuniary interest in the common stock, and the reporting person remains the beneficial owner of the shares retained by RH Fund 2, L.P and Relational Investors XI, L.P.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jonathan M. Gottsegen, Attorney-in-Fact</signatureName>
        <signatureDate>2008-06-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
