What is the sales tax in Contra Costa county? - The sales tax in Contra Costa county of California is 10.25% as of 2025. Use the Contra Costa sales tax calculator to calculate the sales tax for any purchase in Contra Costa.
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Below is a list of the sales tax rate for each county in Contra Costa.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Contra Costa | California | Alamo | 94507 | 6% | 0.5% | 0.25% | 9.25% |
| Contra Costa | California | Antioch | 94509 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Bethel Island | 94511 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Brentwood | 94513 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Byron | 94514 | 6% | 0% | 0.25% | 10.25% |
| Contra Costa | California | Canyon | 94516 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Clayton | 94517 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Concord | 94518 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Crockett | 94525 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Danville | 94506 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Diablo | 94528 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Discovery Bay | 94505 | 6% | 0% | 0.25% | 10.25% |
| Contra Costa | California | El Cerrito | 94530 | 6% | 0.5% | 0.25% | 10.75% |
| Contra Costa | California | El Sobrante | 94803 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Hercules | 94547 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Knightsen | 94548 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Lafayette | 94549 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Martinez | 94553 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Moraga | 94556 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Oakley | 94561 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Orinda | 94563 | 6% | 0% | 0.25% | 10.25% |
| Contra Costa | California | Pinole | 94564 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Pittsburg | 94565 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Pleasant Hill | 94523 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Port Costa | 94569 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Richmond | 94801 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | Rodeo | 94572 | 6% | 0.5% | 0.25% | 9.25% |
| Contra Costa | California | San Pablo | 94806 | 6% | 1% | 0.25% | 9.75% |
| Contra Costa | California | San Ramon | 94582 | 6% | 0% | 0.25% | 8.75% |
| Contra Costa | California | Walnut Creek | 94595 | 6% | 0.5% | 0.25% | 9.25% |