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                                                                    Exhibit 23.a


                       CONSENT OF INDEPENDENT ACCOUNTANTS


      We consent to the incorporation by reference in the prospectuses included
in the registration statements of Masco Corporation on Form S-3 (Registration
Nos. 33-56043, 33-53330, 33-2374, 333-27765 and 333-36477) and Form S-8
(Registration Nos. 2-95969, 33-28142, 33-42229, 333-30867, 333-64573, and
333-74815) of our report dated February 17, 1999, on our audits of the
consolidated financial statements and financial statement schedule of Masco
Corporation and subsidiaries as of December 31, 1998 and 1997 and for each of
the three years in the period ended December 31, 1998, which report is included
in this Annual Report on Form 10-K. We also consent to the reference to our Firm
under the caption "Experts" in such prospectuses.


PRICEWATERHOUSECOOPERS LLP

Detroit, Michigan
March 25, 1999