Contact Us

Contact Golden State Water


Questions About Your Water Service?

Contact us. Golden State Water Company’s customer service representatives are standing by to assist you with any of your questions or concerns. For 24-hour emergency and customer service please call 909-394-2272.

Customer Service

Toll Free: 1-800-999-4033
Local: (909) 394-2272
24 hours, 7 days a week

Corporate Office

To contact us via email, please write us at:

Corporate Office Mailing Address

630 E. Foothill Blvd., San Dimas, CA 91773