Exhibit 32.1

 CERTIFICATION OF CHIEF EXECUTIVE OFFICER, PRESIDENT AND CHIEF FINANCIAL OFFICER

     Pursuant to 18 U.S.C. Section 1350, as created by Section 906 of the
Sarbanes-Oxley Act of 2002, each of the undersigned officers of AMB Property
Corporation (the "Company"), hereby certifies, to such officer's knowledge,
that:

          (i) the accompanying Quarterly Report on Form 10-Q of the Company for
     the quarterly period ended September 30, 2003 (the "Report") fully complies
     with the requirements of Section 13(a) or Section 15(d), as applicable, of
     the Securities Exchange Act of 1934, as amended; and

         (ii) the information contained in the Report fairly presents, in all
     material respects, the financial condition and results of operations of the
     Company.

Dated: November 13, 2003
                                                  /s/ HAMID R. MOGHADAM
                                                  ------------------------------
                                                  Hamid R. Moghadam
                                                  Chairman of the Board and
                                                    Chief Executive Officer

                                                  /s/ W. BLAKE BAIRD
                                                  ------------------------------
                                                  W. Blake Baird
                                                  President and Director

                                                  /s/ Michael A. Coke
                                                  ------------------------------
                                                  Michael A. Coke
                                                  Chief Financial Officer and
                                                    Executive Vice President

     The foregoing certification is being furnished solely to accompany the
Report pursuant to 18 U.S.C. Section 1350, and is not being filed for purposes
of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to
be incorporated by reference into any filing of the Company, whether made before
or after the date hereof, regardless of any general incorporation language in
such filing.