As of January 2026 California Water Service Group has a market cap of โน247.72 Billion. This makes California Water Service Group the world's 4178th 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 19th, 2026 the market cap of California Water Service Group was reported to be: