The Harbor Bay Business Park Association and its services and programs are managed by GS Management Company. We welcome your feedback, comments and questions. You may contact us at the following addresses, phone numbers and e-mail.
GS Management Company
5674 Sonoma Drive
Pleasanton, CA 94566
Property Manager: Christine Franceschi
Phone: (925) 468-1614
Fax: (925) 734-8125
Contact Securitas USA officers directly at (510) 418-4011.