Growth Metrics

California Water Service (CWT) Tax Rate (2016 - 2025)

California Water Service has reported Tax Rate over the past 17 years, most recently at 49.88% for Q4 2025.

  • Quarterly results put Tax Rate at 49.88% for Q4 2025, up 26716.0% from a year ago — trailing twelve months through Dec 2025 was 12.01% (down 228.0% YoY), and the annual figure for FY2025 was 7.61%, up 370.0%.
  • Tax Rate for Q4 2025 was 49.88% at California Water Service, up from 2.88% in the prior quarter.
  • Over the last five years, Tax Rate for CWT hit a ceiling of 73.23% in Q2 2023 and a floor of 217.28% in Q4 2024.
  • Median Tax Rate over the past 5 years was 3.8% (2021), compared with a mean of 5.03%.
  • Biggest five-year swings in Tax Rate: tumbled -23791bps in 2024 and later surged 26716bps in 2025.
  • California Water Service's Tax Rate stood at 3.77% in 2021, then tumbled by -2540bps to 91.94% in 2022, then surged by 122bps to 20.63% in 2023, then tumbled by -1153bps to 217.28% in 2024, then skyrocketed by 123bps to 49.88% in 2025.
  • The last three reported values for Tax Rate were 49.88% (Q4 2025), 2.88% (Q3 2025), and 5.1% (Q2 2025) per Business Quant data.