Claremont water and sewer rates
Who supplies water to Claremont houses, what it costs, and how the sewer charge works.
Golden State Water Company (Claremont)
Schedule R3-1-R, Region 3 Residential Metered Service, effective January 1, 2026: 5/8 x 3/4-inch meter service charge and three tiered quantity rates.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $36.76 a month |
| 0 to 12 units | $5.07 |
| 12 to 44 units | $5.81 |
| 44 to more | $6.66 |
Sewer
Single-family residences: $79.58 under the City of Claremont sewer rates effective July 1, 2025.
Other charges on the utility bill
- Street sweeping (single-family dwelling): $4.62 a month
Ways to pay less
- Low-income homeowners: 20% off single-family sewer. The City lists a low-income discount rate for single-family sewer ($63.65 per dwelling unit). How: Eligibility follows HUD criteria; contact the Finance Department at (909) 399-5453.
Pay or manage it
Sources
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.