Santa Rosa Sales Tax Calculator
The combined sales tax rate in Santa Rosa, California is 10% in 2026 — a 7.25% California state rate plus 2.75% in local add-ons. That is the 86th highest rate of the 483 California cities we track, and it runs above California's 8.98% average. On a $100 purchase that's $10.00 in tax for a $110.00 total.
$100.00 total
Before tax: $100.00 · Sales tax: $0.00 (0%)
State & average combined rates: Tax Foundation 2026. Local rates vary by city/county — adjust the rate for an exact figure. How we calculate →
Santa Rosa sales tax rate in 2026
Santa Rosa charges a combined sales tax rate of 10%: the California statewide base of 7.25% plus 2.75% in city, county and district add-ons. Santa Rosa is in Sonoma County.
That local add-on is set by Santa Rosa and the taxing districts that overlap it, which is why neighboring cities in California can charge a different total even a few miles apart.
Santa Rosa vs the rest of California
At 10%, Santa Rosa runs above California's 8.98% statewide average combined rate by 1.02%. Among the 483 California cities we track by combined rate, Santa Rosa ranks the 86th highest.
That puts Santa Rosa on the higher end for California — worth double-checking against the official lookup tool if you're quoting a price to a customer or filing a return.
Sales tax examples in Santa Rosa
At Santa Rosa's 10% combined rate:
$100 → $10.00 tax, $110.00 total · $1,000 → $100.00 tax, $1,100.00 total · $25,000 car purchase → $2,500 tax, $27,500 total.
Working backwards: a $1,100.00 receipt total in Santa Rosa means the pre-tax price was $1,000.00 and $100.00 was tax — use “Remove tax” mode above to reverse any total instantly.
A note on Santa Rosa's exact rate
The 10% rate applies within Santa Rosa's official city limits as published by CDTFA — Find a Sales and Use Tax Rate. Addresses with a Santa Rosa mailing address but outside the incorporated city line — a common situation on the edges of any city — can fall under a different, usually lower, rate.
For an address-exact rate, use the official lookup tool: CDTFA — Find a Sales and Use Tax Rate. This calculator pre-fills the published city-limits rate as a reliable starting point.
Santa Rosa sales tax — frequently asked questions
What is the sales tax rate in Santa Rosa, California?
Santa Rosa's combined sales tax rate is 10% in 2026 — 7.25% California state tax plus 2.75% in local add-ons. That's the 86th highest rate of the 483 California cities we track.
How much is sales tax on $100 in Santa Rosa?
At Santa Rosa's 10% rate, sales tax on a $100 purchase is $10.00, for a $110.00 total.
How much sales tax will I pay on a $25,000 car in Santa Rosa?
At Santa Rosa's 10% combined rate, sales tax on a $25,000 vehicle purchase is about $2,500, for a $27,500 total before any trade-in credit or registration fees.
Is Santa Rosa's sales tax higher or lower than the California average?
Santa Rosa runs above California's 8.98% statewide average by 1.02%, ranking the 86th highest of the 483 California cities we track.
How do I calculate sales tax backwards from a total in Santa Rosa?
Divide the total by 1 plus the rate. A $1,100.00 total in Santa Rosa works back to a $1,000.00 pre-tax price and $100.00 of tax. Use “Remove tax” mode above to do this automatically.
Does Santa Rosa's sales tax rate apply everywhere in the Santa Rosa area?
The 10% rate applies within Santa Rosa's official city limits. Nearby addresses outside the incorporated boundary can be taxed at a different rate — check CDTFA — Find a Sales and Use Tax Rate for an address-exact figure.
Compare nearby cities in California
See all 483 California cities ranked by combined sales tax rate, or compare:
Researched & verified by the Calcuris Data & Research Team. How we build and check our tools →