California Water Service Group - 15 Year Stock Price History | CWT

Historical daily share price chart and data for California Water Service Group since 2011 adjusted for splits and dividends. The latest closing stock price for California Water Service Group as of May 08, 2026 is 43.47.
  • The all-time high California Water Service Group stock closing price was 65.57 on January 03, 2022.
  • The California Water Service Group 52-week high stock price is 50.44, which is 16% above the current share price.
  • The California Water Service Group 52-week low stock price is 41.29, which is 5% below the current share price.
  • The average California Water Service Group stock price for the last 52 weeks is 45.61.
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California Water Service Group Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 44.8697 42.6265 47.5200 42.2195 43.4700 1.08%
2025 45.3184 43.2948 50.0097 40.5000 43.0036 -1.90%
2024 47.6562 49.0953 53.3828 41.6447 43.8363 -10.68%
2023 50.6696 57.3769 59.3451 43.5632 49.0764 -12.83%
2022 53.6198 65.5727 65.5727 44.8937 56.2999 -14.13%
2021 54.1871 48.0274 65.5636 47.4495 65.5636 35.05%
2020 43.3845 44.6897 50.3338 37.2607 48.5486 6.68%
2019 45.2414 40.2651 50.1436 38.9960 45.5106 9.85%
2018 35.4300 38.1437 42.3949 30.3606 41.4300 7.06%
2017 32.0168 28.2476 38.9117 27.2014 38.6983 36.39%
2016 24.8247 18.9197 30.8003 18.7644 28.3731 49.19%
2015 18.7750 19.5551 20.6110 15.9652 19.0178 -2.67%
2014 18.3419 17.2744 20.5846 16.0150 19.5392 9.73%
2013 15.6042 13.9510 17.9304 13.8312 17.8069 29.66%
2012 13.4176 13.1832 14.0999 12.7354 13.7339 4.01%
Sector Industry Market Cap Revenue
Utilities Utility - Water Supply $2.809B $1.000B
California Water Service Group is one of the largest investor-owned water utilities in the United States. The utility has six subsidiaries- California Water Service, Washington Water Service Company, New Mexico Water Service Company, Hawaii Water Service Company, CWS Utility Services, and HWS Utility Services. Also, in May 2021, it added an arm called Texas Water Service, which owns and operates four wastewater utilities serving the growing communities outside Austin and San Antonio. Along with its units, it provides regulated and non-regulated high-quality water and wastewater services. The Company only operates in one reportable segment, providing water and related utility services. The business operations consists of the production, purchase, storage, treatment, testing, distribution and sale of water for domestic, industrial, public and irrigation uses, and for fire protection. In some areas, it also provides wastewater collections and treatment services, including treatment which allows water recycling.
Stock Name Country Market Cap PE Ratio
American Water Works (AWK) United States $26.796B 24.03
Companhia De Saneamento Basico Do Estado De Sao Paulo - Sabesp (SBS) Brazil $24.006B 20.12
Essential Utilities (WTRG) United States $11.519B 18.40
American States Water (AWR) United States $3.115B 23.58
Middlesex Water (MSEX) United States $1.038B 23.67
Consolidated Water (CWCO) Cayman Islands $0.564B 0.00
York Water (YORW) United States $0.466B 23.22
Cadiz (CDZI) United States $0.414B 0.00
Artesian Resources (ARTNA) United States $0.343B 14.98
Pure Cycle (PCYO) United States $0.271B 19.36
Global Water Resources (GWRS) United States $0.225B 55.86