EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement of our reports dated as follows: AMB Property Corporation and subsidiaries February 2, 1999 AMB Contributed Properties March 27, 1998 Crysen Corridor Warehouse February 24, 1998 Boston Industrial Portfolio March 27, 1998 The Jamesburg Property March 27, 1998 Orlando Central Park March 27, 1998 Totem Lake Malls March 27, 1998 Dallas Warehouse Portfolio (Garland Industrial Portfolio) April 21, 1998 Twin Cities Office/Showroom Portfolio (Minnetonka Industrial May 1, 1998 Portfolio) Willow Park Portfolio June 8, 1998 Amberjack Portfolio July 9, 1998 Willow Lake Portfolio July 21, 1998 National Distribution Portfolio July 31, 1998 Mawah Portfolio July 31, 1998 Cabot Industrial Portfolio October 29, 1997 Cabot Business Park October 29, 1997 Manhattan Village Shopping Center October 17, 1997 Weslayan Plaza October 17, 1997 Silicon Valley R&D Portfolio October 17, 1997 and to all references to our Firm included in this registration statement.
/s/ ARTHUR ANDERSEN LLP -------------------------------------- ARTHUR ANDERSEN LLP San Francisco, California April 19, 1999