Mail Stop 4561 April 4, 2006 Mr. Mitchell E. Hersh President and Chief Executive Officer Mack-Cali Realty Corporation 11 Commerce Drive Cranford, NJ 07016 Re: Mack-Cali Realty Corporation Form 10-K for Fiscal Year Ended December 31, 2005 Filed February 23, 2006 File No. 1-13274 Dear Mr. Hersh: We have completed our review of your Form 10-K and do not, at this time, have any further comments. Sincerely, Steven Jacobs Accounting Branch Chief