Los Altos District
Los Altos and portions of Cupertino, Los Altos Hills, Mountain View, and Sunnyvale

Customer Center
949 B St.
Los Altos, CA 94024
8 a.m. to 5 p.m.
(650) 917-0152
infoLAS@calwater.com

 

District Manager
Ron Richardson

After Hours Phone Number
(650) 553-4632

Pay Stations

You can pay Cal Water bills at any of the pay stations listed below. Note that there is a $1 Western Union service charge to pay your bill at a pay station. Please notify your local Customer Center if you are paying an overdue bill at a pay station.

Jennifer Joyeria
1923 Latham Street
Mountain View, CA 94040

United Private Mail Service
663 South Bernardo Avenue
Sunnyvale, CA 94087

West Valley Postal Exp
415-112 North Mary Avenue
Sunnyvale, CA 94086

Quality Water
740 South Wolfe Road
Sunnyvale, CA 94086

New Video House
617 Caliente Drive
Sunnyvale, CA 94087

General Information

Cal Water's Los Altos Suburban District was formed in 1931 with the purchase of the Los Altos Water Company. To meet the needs of our customers in Los Altos and parts of Los Altos Hills, Cupertino, Mountain View, and Sunnyvale, we use a combination of local groundwater and imported water. Our imported water, which is treated surface water purchased from the Santa Clara Valley Water District (SCVWD), comes from SCVWD reservoirs and the San Joaquin-Sacramento River Delta. Our water system includes 295 miles of pipeline, 65 booster pumps, and 46 storage tanks. We proactively maintain and upgrade our facilities to ensure a reliable, high-quality supply.

Bill Inserts

Current bill inserts for Los Altos can be read online.