EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-100641), Form S-4 (Nos. 333-58036 and 333-100639), and Form S-8 (Nos. 33-42229, 333-64573, 333-30867, 333-74815, 333-37338, and 333-75362) of Masco Corporation of our report dated February 21, 2003 relating to the financial statements and financial statement schedule, which appears in this Form 10-K. /s/ PRICEWATERHOUSECOOPERS LLP Detroit, Michigan March 14, 2003