District Information


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Tesoro Viejo

(served by our Selma District office)
2042 Second Street
Selma, CA 93662

Customer Service
7:00 a.m. to 7:00 p.m.
(559) 896-4546
Contact us via email

District Manager
Steve Johnson

After-Hours Phone Number
(559) 896-4546

Automated Payment Number
(888) 598-9824

Payment Mailing Address
California Water Service
P.O. Box 7229
San Francisco, CA 94120-7229

Tesoro Viejo phone service is closed for the weekend.

If you have a water-related emergency, please contact Cal Water using the Tesoro Viejo after-hours phone number.

Water utility services for the Tesoro Viejo community are provided by the Tesoro Viejo Master Mutual Water Company. Cal Water, serving California since 1926, will be operating and maintaining the water, wastewater, recycled water, storm water, and agricultural water systems on TVMMWC's behalf, and will oversee installation of capital improvements to expand the utility systems.

Cal Water is committed to providing reliable, high-quality water utility services to residents and businesses in Tesoro Viejo and will also provide customer service for the community's water utility services through our Selma District Customer Center.