Growth Metrics

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

California Water Service (CWT) has 17 years of Tax Rate data on record, last reported at 75.91% in Q4 2025.

  • For Q4 2025, Tax Rate rose 8670.0% year-over-year to 75.91%; the TTM value through Dec 2025 reached 18.43%, down 49.0%, while the annual FY2025 figure was 18.43%, 742.0% down from the prior year.
  • Tax Rate reached 75.91% in Q4 2025 per CWT's latest filing, up from 18.54% in the prior quarter.
  • Across five years, Tax Rate topped out at 75.91% in Q4 2025 and bottomed at 49.88% in Q4 2023.
  • Average Tax Rate over 5 years is 16.66%, with a median of 15.53% recorded in 2022.
  • Peak YoY movement for Tax Rate: surged 9641bps in 2021, then crashed -6241bps in 2023.
  • A 5-year view of Tax Rate shows it stood at 51.98% in 2021, then tumbled by -76bps to 12.53% in 2022, then tumbled by -498bps to 49.88% in 2023, then soared by 78bps to 10.78% in 2024, then skyrocketed by 804bps to 75.91% in 2025.
  • Per Business Quant database, its latest 3 readings for Tax Rate were 75.91% in Q4 2025, 18.54% in Q3 2025, and 24.57% in Q2 2025.