About California Water Service Group

California Water Service Group is the third largest investor-owned water utility in the United States. We have six wholly owned subsidiaries operating in California, Washington, New Mexico, and Hawaii. Four of the six subsidiaries are regulated by state public utilities commissions. Non-regulated operations leverage our expertise in operating water and wastewater systems and provide related water and wastewater utility services. Formed in 1926 and based in San Jose, we serve more than 490,000 customers. We have more than $400 million in annual revenue and more than $1.5 billion in gross utility plant assets.

California Water Service Company is the largest subsidiary of the California Water Service Group, which also includes Washington Water Service Company, New Mexico Water Service Company, Hawaii Water Service Company, CWS Utility Services, and HWS Utility Services. As a whole, the Group provides high-quality regulated and non-regulated utility services to approximately 2 million people in 100 communities. Company-wide, our employees share a commitment to being the leader in providing our customers and communities with traditional and innovative utility services.

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What employees say

“Working for a company that not only cares about their employees, but also the communities we work and live in! Our customers trust us because we will always do the right thing.”
“Freedom to create and actively participate.”
“Great working environment.”
“I am surrounded by great people who are also great employees.”
“I work for a company that actually cares about our customers and is willing to do whatever it takes to provide a high level of service.”
“I have been given every opportunity to succeed and to improve my status in the company, as well as provide for my family. I started at the bottom as a temporary employee and now am a superintendent.”
Where to find California Water Service Group