Sonoma County, CA Sales Tax Rate (2026)
Combined state and local rate for Sonoma County, CA, with the rate for each of its places and 50 ZIP codes.
Rates as of
What is the sales tax rate in Sonoma County, CA?
9.25%most common combined rate in Sonoma County
The most common combined sales tax rate in Sonoma County, CA is 9.25% as of September 2026: 7.25% state and 2% special district. Rates across the county's 50 ZIP codes range from 9.25% to 10.5%, depending on the city and special districts. California's state rate is 7.25%, so local taxes add 2% here.
- State
- 7.25%
- County
- 0%
- City
- 0%
- Special district
- 2%
- Combined
- 9.25%
California's 7.25% statewide rate includes the 1.25% every city and county receives; local district taxes are shown as special.
Source: Kintsugi's rate table, updated monthly, as of September 2026. Official rates: CDTFA — California City & County Sales & Use Tax Rates.
What are the sales tax rates by city in Sonoma County?
The combined rate for the places in Sonoma County, as of September 2026. Where a place has a city rate page it is linked. A place's ZIP codes can reach into a neighboring city or district, so a range in brackets means its ZIP codes carry different rates.
| Place | Combined rate | ZIP codes |
|---|---|---|
| Santa Rosa | 10% | 8 |
| Petaluma | 10.25% | 6 |
| Rohnert Park | 9.75% | 3 |
| Sebastopol | 10.5% | 2 |
| Annapolis | 9.25% | 1 |
| Bodega | 9.25% | 1 |
| Bodega Bay | 9.25% | 1 |
| Boyes Hot Springs | 9.25% | 1 |
| Camp Meeker | 10.5% | 1 |
| Cazadero | 9.25% | 1 |
| Cloverdale | 10% | 1 |
| Cotati | 10.25% | 1 |
| Duncans Mills | 9.25% | 1 |
| El Verano | 9.25% | 1 |
| Eldridge | 9.25% | 1 |
| Forestville | 9.25% | 1 |
| Fulton | 9.25% | 1 |
| Geyserville | 9.25% | 1 |
| Glen Ellen | 9.25% | 1 |
| Graton | 9.25% | 1 |
| Guerneville | 9.25% | 1 |
| Healdsburg | 9.75% | 1 |
| Jenner | 9.25% | 1 |
| Kenwood | 9.25% | 1 |
| Monte Rio | 9.25% | 1 |
| Occidental | 9.25% | 1 |
| Penngrove | 10.25% | 1 |
| Rio Nido | 9.25% | 1 |
| Sonoma | 10.25% | 1 |
| Stewarts Point | 9.25% | 1 |
The 5 places with the fewest ZIP codes are in the ZIP code table below.
What are the sales tax rates by ZIP code in Sonoma County?
Every ZIP code in Sonoma County, with its combined rate as of September 2026. A ZIP code can cross city and district lines, so the delivery address decides the rate on a sale; the sales tax calculator looks one up.
| ZIP | Place | Combined rate | County | City | Special |
|---|---|---|---|---|---|
| 94922 | Bodega | 9.25% | 0% | 0% | 2% |
| 94923 | Bodega Bay | 9.25% | 0% | 0% | 2% |
| 94926 | Rohnert Park | 9.75% | 0% | 0.5% | 2% |
| 94927 | Rohnert Park | 9.75% | 0% | 0.5% | 2% |
| 94928 | Rohnert Park | 9.75% | 0% | 0.5% | 2% |
| 94931 | Cotati | 10.25% | 0% | 1% | 2% |
| 94951 | Penngrove | 10.25% | 0% | 1% | 2% |
| 94952 | Petaluma | 10.25% | 0% | 1% | 2% |
| 94953 | Petaluma | 10.25% | 0% | 1% | 2% |
| 94954 | Petaluma | 10.25% | 0% | 1% | 2% |
| 94955 | Petaluma | 10.25% | 0% | 1% | 2% |
| 94972 | Valley Ford | 9.25% | 0% | 0% | 2% |
| 94975 | Petaluma | 10.25% | 0% | 1% | 2% |
| 94999 | Petaluma | 10.25% | 0% | 1% | 2% |
| 95401 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95402 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95403 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95404 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95405 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95406 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95407 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95409 | Santa Rosa | 10% | 0% | 0.75% | 2% |
| 95412 | Annapolis | 9.25% | 0% | 0% | 2% |
| 95416 | Boyes Hot Springs | 9.25% | 0% | 0% | 2% |
| 95419 | Camp Meeker | 10.5% | 0% | 1.25% | 2% |
| 95421 | Cazadero | 9.25% | 0% | 0% | 2% |
| 95425 | Cloverdale | 10% | 0% | 0.75% | 2% |
| 95430 | Duncans Mills | 9.25% | 0% | 0% | 2% |
| 95431 | Eldridge | 9.25% | 0% | 0% | 2% |
| 95433 | El Verano | 9.25% | 0% | 0% | 2% |
| 95436 | Forestville | 9.25% | 0% | 0% | 2% |
| 95439 | Fulton | 9.25% | 0% | 0% | 2% |
| 95441 | Geyserville | 9.25% | 0% | 0% | 2% |
| 95442 | Glen Ellen | 9.25% | 0% | 0% | 2% |
| 95444 | Graton | 9.25% | 0% | 0% | 2% |
| 95446 | Guerneville | 9.25% | 0% | 0% | 2% |
| 95448 | Healdsburg | 9.75% | 0% | 0.5% | 2% |
| 95450 | Jenner | 9.25% | 0% | 0% | 2% |
| 95452 | Kenwood | 9.25% | 0% | 0% | 2% |
| 95462 | Monte Rio | 9.25% | 0% | 0% | 2% |
| 95465 | Occidental | 9.25% | 0% | 0% | 2% |
| 95471 | Rio Nido | 9.25% | 0% | 0% | 2% |
| 95472 | Sebastopol | 10.5% | 0% | 1.25% | 2% |
| 95473 | Sebastopol | 10.5% | 0% | 1.25% | 2% |
| 95476 | Sonoma | 10.25% | 0% | 1% | 2% |
| 95480 | Stewarts Point | 9.25% | 0% | 0% | 2% |
| 95486 | Villa Grande | 9.25% | 0% | 0% | 2% |
| 95487 | Vineburg | 9.25% | 0% | 0% | 2% |
| 95492 | Windsor | 9.25% | 0% | 0% | 2% |
| 95497 | The Sea Ranch | 9.25% | 0% | 0% | 2% |
† Part of this ZIP code lies in another city or county with a different rate, so check the delivery address for the exact rate.
Selling into Sonoma County: California rules
What's taxable: At the state level, SaaS is exempt, clothing is taxable, groceries are exempt and digital goods are exempt.
Economic nexus: You have economic nexus in California if your total combined sales delivered into the state exceed $500,000 in the current or prior calendar year, including sales made through a marketplace. There is no transaction-count trigger.
Filing: The CDTFA assigns monthly, quarterly, or annual filing based on reported or estimated taxable sales. Quarterly is the default for most mid-sized sellers; high-volume sellers file monthly and may owe prepayments on the 24th of the second and third months of each quarter.
Registration, exemptions, penalties and marketplace rules are in the California sales tax guide.
Frequently asked questions
Rates change monthly. Kintsugi applies them automatically.
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