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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 Uz84ijmV7z7ZXehz5Geb8Q==

<SEC-DOCUMENT>0000062996-06-000068.txt : 20060511
<SEC-HEADER>0000062996-06-000068.hdr.sgml : 20060511
<ACCEPTANCE-DATETIME>20060511152641
ACCESSION NUMBER:		0000062996-06-000068
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060509
FILED AS OF DATE:		20060511
DATE AS OF CHANGE:		20060511

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASCO CORP /DE/
		CENTRAL INDEX KEY:			0000062996
		STANDARD INDUSTRIAL CLASSIFICATION:	MILLWOOD, VENEER, PLYWOOD & STRUCTURAL WOOD MEMBERS [2430]
		IRS NUMBER:				381794485
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		21001 VAN BORN RD
		CITY:			TAYLOR
		STATE:			MI
		ZIP:			48180
		BUSINESS PHONE:		3132747400

	MAIL ADDRESS:	
		STREET 1:		21001 VAN BORN ROAD
		CITY:			TAYLOR
		STATE:			MI
		ZIP:			48180

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MASCO SCREW PRODUCTS CO
		DATE OF NAME CHANGE:	19731025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DOW PETER A
		CENTRAL INDEX KEY:			0001189348

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05794
		FILM NUMBER:		06829885

	BUSINESS ADDRESS:	
		STREET 1:		C/O GENE GARGARO
		STREET 2:		21001 VAN BORN RD
		CITY:			TAYLOR
		STATE:			MI
		ZIP:			48180
		BUSINESS PHONE:		3132747400

	MAIL ADDRESS:	
		STREET 1:		C/O GENE GARANGO
		STREET 2:		21001 VAN BORN RD
		CITY:			TAYLOR
		STATE:			MI
		ZIP:			48180
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-09</periodOfReport>

    <issuer>
        <issuerCik>0000062996</issuerCik>
        <issuerName>MASCO CORP /DE/</issuerName>
        <issuerTradingSymbol>MAS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001189348</rptOwnerCik>
            <rptOwnerName>DOW PETER A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>191 RIDGE RD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GROSSE POINTE FARMS</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48236</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-05-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1690</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29235</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Employee Director Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>32.65</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-05-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-05-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">N/A</footnote>
        <footnote id="F2">The foregoing option is exercisable cumulatively in annual installments of 20% commencing 05/09/2007.</footnote>
        <footnote id="F3">Grant of option under Massco Corporation 1997 Non-Employee Directros Stock Plan, in transactions exempt under Rule 16b-3.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Eugene A. Gargaro, Jr. by Power of Attorney</signatureName>
        <signatureDate>2006-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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