Hacienda is operated by the Hacienda Business Park Owners Association. Please feel free to contact us at any time. Our office is staffed Monday through Friday during normal business hours. The Hacienda Visitors Center is open weekdays from 9:00 am to 3:00 pm. The Hacienda Hotline contains prerecorded information about park projects, events and activities as well as ordering instructions for materials. We hope that you will take the opportunity to inquire about any topic of interest, provide comments on our service or let us know how we may be of assistance.
Hacienda Business Park Owners Association
4305 Hacienda Drive
Pleasanton, California 94588-2738
(925) 734-6500 phone
(925) 734-6550 hotline
(925) 734-6501 fax