EXHIBIT 23.3 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 20, 2001, relating to the financial statements and financial statement schedules, which appears in Mack-Cali Realty Corporation's Annual Report on Form 10-K for the year ended December 31, 2000. We also consent to the reference to us under the heading "Experts" in such Registration Statement. PricewaterhouseCoopers LLP New York, New York March 19, 2001