<SUBMISSION>
<ACCESSION-NUMBER>0001070750-03-000050
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030801
<FILING-DATE>20030805
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>HOST MARRIOTT CORP/
<CIK>0001070750
<ASSIGNED-SIC>6798
<IRS-NUMBER>530085950
<STATE-OF-INCORPORATION>MD
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>10400 FERNWOOD ROAD DEPT 907
<CITY>BETHESDA
<STATE>MD
<ZIP>20817
<PHONE>3013809000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>HOST MARRIOTT CORP
<STREET2>10400 FERNWOOD ROAD DEPT 907 RM 507
<CITY>BETHESDA
<STATE>MD
<ZIP>20817-1109
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>HMC MERGER CORP
<DATE-CHANGED>19980921
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>NASSETTA CHRISTOPHER J
<CIK>0001078095
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-14625
<FILM-NUMBER>03822730
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>77 WEST WACKER DR
<STREET2>STE 3900
<CITY>CHICAGO
<STATE>IL
<ZIP>60601
<PHONE>3129171300
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>77 WEST WACKER DRIVE
<STREET2>SUITE 3900
<CITY>CHICAGO
<STATE>IL
<ZIP>60601
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-08-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001070750</issuerCik>
        <issuerName>HOST MARRIOTT CORP/</issuerName>
        <issuerTradingSymbol>HMT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001078095</rptOwnerCik>
            <rptOwnerName>NASSETTA CHRISTOPHER J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>77 WEST WACKER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3900</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and </officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-08-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>158882</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.935</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>791454</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-08-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>67048</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.935</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>724406</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Restricted Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-08-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>158882</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.935</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1334210</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The transaction reflects the withholding of securities incident to vesting in payment of tax liability.  The shares actually received by reporting person is the number of vested shares minus the tax withholding shares.</footnote>
        <footnote id="F2">This transaction represents the release of restrictions on shares of restricted stock which vests on a periodic basis, and inclusion of such shares into unrestricted common stock.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: William K. Kelso  For: Christopher J. Nassetta</signatureName>
        <signatureDate>2003-08-05</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
