Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Sznewajs John G
2. Date of Event Requiring Statement (Month/Day/Year)
07/28/2005
3. Issuer Name and Ticker or Trading Symbol
MASCO CORP /DE/ [MAS]
(Last)
(First)
(Middle)
21001 VAN BORN ROAD
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 Original Filed(Month/Day/Year)
(Street)

TAYLOR, MI 48180
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Sznewajs John G
21001 VAN BORN ROAD
TAYLOR, MI 48180
      VP Corp. Development&Treasurer  

Signatures

John R. Leekley by Power of Attorney 08/01/2005
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(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

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