SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                ---------------

                                    FORM 8-K
                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

         Date of report (Date of earliest event reported) MARCH 18, 2004
                        --------------------------------

                                MASCO CORPORATION
               (Exact name of Registrant as Specified in Charter)



          DELAWARE                      1-5794                  38-1794485
          --------                      ------                  ----------
(State or Other Jurisdiction   (Commission File Number)       (IRS Employer
     of Incorporation)                                     Identification No.)




 21001 VAN BORN ROAD, TAYLOR, MICHIGAN                          48180
 -------------------------------------                          -----
(Address of Principal Executive Offices)                      (Zip Code)



                                 (313) 274-7400
               Registrant's telephone number, including area code












         ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND
                  EXHIBITS.

         (c)  Exhibits

                  99   Press Release dated March 18, 2004

         ITEM 9.  REGULATION FD DISCLOSURE.

         On March 18, 2004 the Company issued a press release updating its
previous earnings guidance and announcing quarterly dividends. A copy of the
press release is included as Exhibit 99.





                                    SIGNATURE

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                         MASCO CORPORATION



                                         By: /s/ Timothy Wadhams
                                             --------------------------------
                                         Name:  Timothy Wadhams
                                         Title: Senior Vice President and
                                                     Chief Financial Officer




March 18, 2004






                                  EXHIBIT INDEX


                  99   Press Release dated March 18, 2004