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 January 27, 1998 - 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 Portfolio) May 1, 1998 - 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 27, 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 San Francisco, California November 30, 1998