California Sales Tax Rates: Contra Costa County
Contra Costa County, California Sales Tax Rate 2026 Up to 10.75%
A county-wide sales tax rate of 0.25% is applicable to localities in Contra Costa County, in addition to the 6% California sales tax.
Some cities and local governments in Contra Costa County collect additional local sales taxes, which can be as high as 4.5%.Here's how Contra Costa County's maximum sales tax rate of 10.75% compares to other counties around the United States:
- Higher maximum sales tax than 95% of California counties
- Higher maximum sales tax than 94% of counties nationwide
Tax Rates By City in Contra Costa 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 Contra Costa County collects an additional 0.25%, so the minimum sales tax rate in Contra Costa 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 Contra Costa County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Concord | 9.75% | Concord |
| Antioch | 9.75% | Antioch |
| Pittsburg | 9.75% | Antioch |
| Walnut Creek | 9.25% | Walnut Creek |
| Danville | 8.75% | Danville |
| San Pablo | 10.25% | Pinole |
| Brentwood | 9.75% | Antioch |
| San Ramon | 10.25% | Dublin |
| Martinez | 9.75% | Martinez |
| Richmond | 9.75% | Richmond |
| San Ramon | 9.75% | San Ramon |
| Pleasant Hill | 9.75% | Concord |
| Oakley | 9.75% | Antioch |
| Richmond | 10.25% | El Cerrito |
| Lafayette | 9.75% | Moraga |
| El Cerrito | 10.75% | Albany |
| Hercules | 10.25% | Pinole |
| El Sobrante | 10.25% | Pinole |
| Orinda | 9.75% | Moraga |
| Walnut Creek | 9.25% | Pleasant Hill |
| Pinole | 10.25% | Pinole |
| Alamo | 9.25% | Walnut Creek |
| Moraga | 9.75% | Moraga |
| Clayton | 9.75% | Concord |
| Discovery Bay | 10.25% | Alameda |
| Rodeo | 9.25% | Hercules |
| Crockett | 8.75% | Contra Costa |
| Byron | 10.25% | Alameda |
| Bethel Island | 9.25% | Davis |
| Diablo | 8.75% | Contra Costa |
| Knightsen | 8.75% | Contra Costa |
| El Sobrante | 8.75% | Contra Costa |
| Port Costa | 8.75% | Contra Costa |
| Canyon | 8.75% | Contra Costa |
California Sales Tax Rates by Zip Code:
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Contra Costa County, California has a maximum sales tax rate of 10.75% and an approximate population of 849,198.
Sales tax rates in Contra Costa County are determined by seventeen different tax jurisdictions, Alameda, Albany, Antioch, Concord, Contra Costa, Danville, Davis, Dublin, El Cerrito, Hercules, Martinez, Moraga, Pinole, Pleasant Hill, Richmond, San Ramon and Walnut Creek.
Back to California Sales Tax Handbook Sales tax rates for Contra Costa County are current as of June 2026
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