Growth Metrics

California Water Service (CWT) Gross Margin (2016 - 2025)

California Water Service has reported Gross Margin over the past 17 years, most recently at 83.58% for Q4 2025.

  • Quarterly results put Gross Margin at 83.58% for Q4 2025, down 189.0% from a year ago — trailing twelve months through Dec 2025 was 86.99% (down 158.0% YoY), and the annual figure for FY2025 was 86.99%, down 158.0%.
  • Gross Margin for Q4 2025 was 83.58% at California Water Service, down from 89.25% in the prior quarter.
  • Over the last five years, Gross Margin for CWT hit a ceiling of 90.38% in Q3 2021 and a floor of 82.41% in Q4 2023.
  • Median Gross Margin over the past 5 years was 87.33% (2023), compared with a mean of 87.16%.
  • Biggest five-year swings in Gross Margin: skyrocketed 504bps in 2021 and later tumbled -454bps in 2022.
  • California Water Service's Gross Margin stood at 86.69% in 2021, then dropped by -4bps to 82.97% in 2022, then dropped by -1bps to 82.41% in 2023, then rose by 4bps to 85.47% in 2024, then dropped by -2bps to 83.58% in 2025.
  • The last three reported values for Gross Margin were 83.58% (Q4 2025), 89.25% (Q3 2025), and 88.04% (Q2 2025) per Business Quant data.