SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Sznewajs John G (Last) (First) (Middle) 21001 VAN BORN ROAD (Street) TAYLOR MI 48180 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/28/2005	3. Issuer Name and Ticker or Trading Symbol MASCO CORP /DE/ [ MAS ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) VP Corp. Development&Treasurer	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	55,039	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option	02/16/2005	02/16/2010	Common Stock	4,400	$19.75	D
Employee Stock Option	(1)	12/10/2012	Common Stock	9,540	$19.5	D
Employee Stock Option	(2)	10/29/2013	Common Stock	25,000	$27.5	D
Employee Stock Option	(3)	10/29/2013	Common Stock	29,000	$27.5	D
Employee Restoration Stock Option	06/13/2004	02/16/2010	Common Stock	9,277	$28.1	D
Employee Restoration Stock Option	06/13/2004	12/10/2012	Common Stock	2,207	$28.1	D
Employee Stock Option	(4)	07/29/2014	Common Stock	33,000	$30	D
Employee Stock Option	(5)	05/09/2015	Common Stock	33,000	$30.75	D
Employee Restoration Stock Option	12/31/2005	02/16/2010	Common Stock	2,736	$31.76	D
Employee Restoration Stock Option	12/31/2005	12/10/2012	Common Stock	1,952	$31.76	D

Explanation of Responses:

1. This option is exercisable in cumulative annual installments of 3,180 shares on December 10, 2005 through December 10, 2007.

2. This option is exercisable in cumulative annual installments of 5,000 shares on October 29, 2004 through October 29, 2008.

3. This option is exercisable in cumulative annual installments of 5,800 shares on October 29, 2004 through October 29 2008.

4. This option is exercisable in cumulative annual installments of 6,600 shares on July 29, 2005 through July 29, 2009.

5. This option is exercisable in cumulative annual installments of 6,600 shares on May 9, 2006 through May 9, 2010.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	John R. Leekley by Power of Attorney	08/01/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.