Santa Rosa Sales Tax Rate
10.00% combined in Santa Rosa, Sonoma County · California's #27 city by population
The sales tax rate in Santa Rosa is 10.00% as of October 14, 2026. That is the 7.25% statewide base plus 2.75% in local district taxes: 2.00% across Sonoma County and 0.75% from the city itself.
Santa Rosa Sales Tax Calculator
Sales tax at 10.00%
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Where the 10.00% comes from
Every California sale starts at the 7.25% statewide base. Sonoma County voters and agencies have added 8 district taxes that apply in every city in the county, and Santa Rosa adds 2 of its own. Each line below is from CDTFA's district tax list.
| Tax | Applies in | In effect since | Rate |
|---|---|---|---|
| State sales and use tax | All of California | — | 6.00% |
| Local sales tax (Bradley-Burns): 1% for city or county operations, 0.25% for county transportation | All of California | — | 1.25% |
| Sonoma County Open Space, Clean Water and Farmland Protection Transactions and Use Tax | Sonoma County | April 2011 | 0.25% |
| Sonoma County Child Care and Children's Health Transactions and Use Tax | Sonoma County | April 2025 | 0.25% |
| Sonoma County Improved and Enhanced Local Fire Protection, Paramedic Services and Disaster Response Transactions and Use Tax | Sonoma County | October 2024 | 0.50% |
| Sonoma County Library Maintenance, Restoration, Enhancement Act | Sonoma County | April 2017 | 0.125% |
| Sonoma County Local Mental Health, Addiction and Homeless Services Measure Transactions and Use Tax | Sonoma County | April 2021 | 0.25% |
| Sonoma County Parks and Safety Transactions and Use Tax | Sonoma County | April 2019 | 0.125% |
| Sonoma County Transportation Authority | Sonoma County | April 2005 | 0.25% |
| Sonoma-Marin Area Rail Transportation Authority | Sonoma County | April 2009 | 0.25% |
| City of Santa Rosa 2020 Transactions and Use Tax | Santa Rosa only | July 2021 | 0.50% |
| City of Santa Rosa Public Safety Transactions and Use Tax | Santa Rosa only | April 2005 | 0.25% |
| Combined rate in Santa Rosa | 10.00% |
Sales tax on common purchases in Santa Rosa
| Price before tax | Tax at 10.00% | Total |
|---|---|---|
| $100.00 | $10.00 | $110.00 |
| $500.00 | $50.00 | $550.00 |
| $1,000.00 | $100.00 | $1,100.00 |
| $2,500.00 | $250.00 | $2,750.00 |
| $35,000.00 (car registered in Santa Rosa) | $3,500.00 | $38,500.00 |
Groceries (most food for home consumption) and prescription medicine are exempt from California sales tax, so these rates apply to taxable goods such as clothing, electronics, furniture, restaurant meals and vehicles.
How Santa Rosa compares
Santa Rosa's 10.00% is the 28th-highest rate among California's 100 largest cities (shared with 1 other). Across the 9 cities in Sonoma County, rates run from 9.25% (Windsor) to 10.50% (Sebastopol). Unincorporated areas pay 9.25%.
Frequently Asked Questions
What is the sales tax rate in Santa Rosa, California?
Santa Rosa's combined sales tax rate is 10.00% as of October 14, 2026: the 7.25% statewide base plus 2.75% in district taxes (2.00% countywide and 0.75% from the city).
Does Santa Rosa have its own city sales tax?
Yes. Santa Rosa adds 0.75% on top of the county rate through City of Santa Rosa 2020 Transactions and Use Tax (0.50%) and City of Santa Rosa Public Safety Transactions and Use Tax (0.25%). That city portion applies only inside the city limits.
What is the sales tax on a car bought in Santa Rosa?
For a vehicle, the district tax follows the address where the car is registered, not where the dealer is. Registered at a Santa Rosa address, a car is taxed at 10.00%: $3,500.00 on a $35,000 purchase.
How does Santa Rosa's rate compare with the rest of Sonoma County?
Rates in Sonoma County's cities run from 9.25% to 10.50% (Sebastopol). Santa Rosa is at 10.00%. Unincorporated areas of the county pay 9.25%.
Is the rate the same at every address in Santa Rosa?
Almost always. CDTFA's rate applies across the city limits, but a mailing address can say Santa Rosa while the property sits in an unincorporated area or a neighboring city. Check a specific address with CDTFA's online rate lookup.
Sources
- CDTFA California City & County Sales & Use Tax Rates (combined rate for each quarter)
- CDTFA-105, District Taxes, Rates, and Effective Dates and Explanation of Tax Rate Changes (each district tax)
- CDTFA rate lookup by address
Educational information only. Rates are copied from CDTFA's published tables and change on the first day of a calendar quarter when new district taxes start or old ones end. Confirm the rate for a specific address with CDTFA before filing a return.