As of January 2026 California Water Service Group has a market cap of โน239.40 Billion. This makes California Water Service Group the world's 4232th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jan 13th, 2026 the market cap of California Water Service Group was reported to be: