California Sales Tax Rates: Napa County
Napa County, California Sales Tax Rate 2026 Up to 9.25%
A county-wide sales tax rate of 0.25% is applicable to localities in Napa County, in addition to the 6% California sales tax.
Some cities and local governments in Napa County collect additional local sales taxes, which can be as high as 3%.Here's how Napa County's maximum sales tax rate of 9.25% compares to other counties around the United States:
- Higher maximum sales tax than 67% of California counties
- Higher maximum sales tax than 80% of counties nationwide
Tax Rates By City in Napa County, California
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. California has a 6% sales tax and Napa County collects an additional 0.25%, so the minimum sales tax rate in Napa County is 6.25% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Napa County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Napa | 8.75% | Napa |
| American Canyon | 8.75% | Napa |
| Saint Helena | 9.25% | Sonoma County Tourism Business Improvement Area |
| Calistoga | 9.25% | Sonoma County Tourism Business Improvement Area |
| Yountville | 7.75% | Napa Co Local Tax Sl |
| Angwin | 7.75% | Napa Co Local Tax Sl |
| Rutherford | 8.25% | Saint Helena |
| Pope Valley | 7.75% | Napa Co Local Tax Sl |
| Deer Park | 7.75% | Napa Co Local Tax Sl |
| Oakville | 8.25% | Saint Helena |
California Sales Tax Rates by Zip Code:
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Napa County, California has a maximum sales tax rate of 9.25% and an approximate population of 111,547.
Sales tax rates in Napa County are determined by four different tax jurisdictions, Napa, Napa Co Local Tax Sl, Saint Helena and Sonoma County Tourism Business Improvement Area.
Back to California Sales Tax Handbook Sales tax rates for Napa County are current as of June 2026
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