Sonoma, California sales tax rate: 10.25%
Last updated Checked monthly
The sales tax rate in Sonoma, California is 10.25%. That’s the 7.25% statewide rate plus 3% in local taxes. It’s higher than 237 of the 310 California cities we checked, and 19 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Sonoma combined rate
10.25%
- California state
- 6.25%
- Sonoma CountyCounty
- 1%
- Sonoma CountySpecial district
- 2%
- Sonoma City (Sonoma County)Special district
- 1%
Sonoma sales tax calculator
Enter a price and what you’re selling.
- CaliforniaState · 6.25%$6.25
- Sonoma CountyCounty · 1%$1.00
- Sonoma CountySpecial district · 2%$2.00
- Sonoma City (Sonoma County)Special district · 1%$1.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoSonoma sales tax rate breakdown
State, county and special district taxes add up to 10.25%. District lines don’t follow city limits, so some Sonoma addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of California | State | 6.25% |
| Sonoma County | County | 1% |
| Sonoma County | Special district | 2% |
| Sonoma City (Sonoma County) | Special district | 1% |
| Combined rate | 10.25% |
Rate history
- July 20239%
- July 20249%
- July 202510.25%
- July 202610.25%
- Today10.25%
Changed since July 2023.
Sales tax near Sonoma
Closest cities
- Napa9 mi8.75%
- Yountville9 mi7.75%
- Rohnert Park14 mi9.25%
- Novato15 mi9.25%
- Saint Helena15 mi8.25%
- Vallejo17 mi9.25%
- Santa Rosa17 mi10%
- Sebastopol21 mi9.25%
Elsewhere in Sonoma County
- Santa Rosa10%
- Rohnert Park9.25%
- Windsor9.25%
- Cloverdale10%
- Sebastopol9.25%
Charge the right rate in Sonoma, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every California return for you, with a sales tax team you can call.
Sonoma sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Sonoma, California?
The combined sales tax rate in Sonoma is 10.25% as of November 2, 2026. It’s made up of 6.25% California state tax, 1% Sonoma County, 2% Sonoma County, 1% Sonoma City (Sonoma County).
Why does Sonoma pay Sonoma County and Sonoma City (Sonoma County) tax?
Special districts such as Sonoma County and Sonoma City (Sonoma County) levy their own sales tax on top of the state, county rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for Sonoma’s 95476 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Sonoma?
No.
Do online sellers have to collect sales tax in Sonoma?
Yes, if they have nexus in California: more than $500,000 in California sales in the previous or current calendar year, or a physical presence in the state. They register with the California Department of Tax and Fee Administration (CDTFA) and charge the rate at the buyer’s address.
Sources. California Department of Tax and Fee Administration (CDTFA) · Zamp Sales Tax API, for Sonoma’s 95476 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every California return and handles notices, with a sales tax team you can call.
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