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General Info
California Water Service Group is a water utility company that provides service to more than 2 million people located in more than 100 communities. The company is comprised of several subsidiaries, including California Water Service Company, Washington Water Service Company, New Mexico Water Service Company, Hawaii Water Service Company and CWS Utility Services. The largest of these subsidiaries is California Water Service Company, an investor-owned water utility company that was formed in 1926. It serves more than 500,000 customers through more than 35 customer and operations centers throughout the state of California. California Water Service Group is headquartered in San Jose, Calif.

Regular Hours

Sat - SunClosed

Extra Phones

Phone: (408) 436-1002

Phone: (408) 367-8425

Phone: (408) 436-1008

Phone: (408) 436-1000

Primary Phone: (408) 436-1008

Fax: (408) 367-8425

TollFree: (800) 750-8200

Payment method
check, visa, amex, all major credit cards, debit
North San Jose

California Water Service Co

California Water Service Group

California Water Svc Group

Water Utility Companies, Utility Companies
Other Information

Parking: Lot, Free

Wheelchair Accessible: Yes


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