Santa Rosa water and sewer rates
At typical use (9.4 units, about 7,000 gallons a month), a Santa Rosa house pays about $73 a month for water and about $111 for sewer: about $2,210 a year. Estimated from public rates, not anyone's actual bill.
Who supplies water to Santa Rosa houses, what it costs, and how the sewer charge works.
Pay or manage it
City of Santa Rosa Water
Santa Rosa Water rate table of July 1, 2026: a $15.84 fixed fee for a 5/8" or 3/4" meter, plus $7.73 per 1,000 gallons up to the sewer cap and $9.03 per 1,000 gallons above it, for single-family homes
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $15.84 a month |
| 0 to 4.5 thousand gallons | $7.73 |
| 4.5 to more | $9.03 |
- Rate schedule
- On April 1, 2025, Santa Rosa City Council adopted a 5-year rate schedule, with adjustments on July 1 of each year for 2026 through 2029.
- Typical home
- The city describes its average customer as a household of four people with a 5/8-inch meter, using 7,000 gallons of water per billing cycle.
Sewer
Santa Rosa Water rate table of July 1, 2026: a $31.26 sewer fixed fee for a 5/8" or 3/4" meter and $17.70 per 1,000 gallons of residential wastewater, with the sewer cap at 4.5, or 4,500 gallons, for the average customer
How Santa Rosa compares with nearby cities
Water, a month
- Windsor · 9 mi$41
- Petaluma · 15 mi$70
- Santa Rosa$73
- Rohnert Park · 7 mi$81
- Sonoma · 17 mi$97
- Healdsburg · 15 mi$123
Water only, at each city's typical use; sewer is left out because some cities bill it on the tax bill.
Ways to pay less
- Single-family homes with no irrigation: all water at Tier 1. The city rate table bills all use at the residential Tier 1 rate for single-family residential accounts with no irrigation needs (Z=Y). How: Ask Santa Rosa Water at 707-543-3150 whether your account is marked Z=Y.
Sources
- www.srcity.org/DocumentCenter/View/2152/Water-Rate-Table-as-
- www.srcity.org/819/Current-Water-and-Sewer-Rates
Checked October 28, 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.
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