Sales Tax Calculator - Contra Costa County (California)
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Sales tax calculator to help you calculate tax amount and total amount. It gives you taxable amount, tax and total amount in Contra Costa County.
Tax Calculation
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The different sales tax rates like state sales tax, county tax rate and city tax rate in Contra Costa County are 6.00%, 0.25% and 0.81%. Check sales tax rates by cities in Contra Costa County
What is Contra Costa County sales tax rates in 2025?
Contra Costa County sales tax rates in Oct 2025 are:
| State Tax Rate | 6.00% |
| County Tax Rate | 0.25% |
| City Tax Rate | 0.81% |
| Special Tax Rate | 2.00% |
| Combined Tax Rate | 8.65% |
Which city has highest sales tax rates in Contra Costa County?
List of cities with highest sales tax rates in Contra Costa County:
- El Cerrito - 9.75%
- Richmond - 9.25%
- Pinole - 9.25%
- Antioch - 9.25%
- Martinez - 9.25%
- Moraga - 9.25%
- Hercules - 8.75%
- Orinda - 8.75%
- Pleasant Hill - 8.75%
- San Pablo - 8.75%
Which city has lowest sales tax rates in Contra Costa County?
List of cities with lowest sales tax rates in Contra Costa County:
- Diablo - 8.25%
- Oakley - 8.25%
- Discovery Bay - 8.25%
- San Ramon - 8.25%
- Danville - 8.25%
- El Sobrante - 8.25%
- Walnut Creek - 8.25%
- Byron - 8.25%
- Canyon - 8.25%
- Lafayette - 8.25%
Sales Tax Rates by city - Contra Costa County (California)
| CITY | COMBINED RATE | STATE RATE | COUNTY RATE | CITY RATE | SPECIAL RATE |
|---|---|---|---|---|---|
| Diablo | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Oakley | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Discovery Bay | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Richmond | 9.25% | 6.00% | 0.25% | 1.00% | 2.00% |
| San Ramon | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Danville | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| El Sobrante | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Walnut Creek | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Byron | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Hercules | 8.75% | 6.00% | 0.25% | 0.50% | 2.00% |
| Canyon | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| El Cerrito | 9.75% | 6.00% | 0.25% | 1.50% | 2.00% |
| Orinda | 8.75% | 6.00% | 0.25% | 0.50% | 2.00% |
| Concord | 8.63% | 6.00% | 0.25% | 0.50% | 2.00% |
| Pinole | 9.25% | 6.00% | 0.25% | 1.00% | 2.00% |
| Pleasant Hill | 8.75% | 6.00% | 0.25% | 0.50% | 2.00% |
| Antioch | 9.25% | 6.00% | 0.25% | 1.00% | 2.00% |
| Lafayette | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| San Pablo | 8.75% | 6.00% | 0.25% | 0.50% | 2.00% |
| Pittsburg | 8.75% | 6.00% | 0.25% | 0.50% | 2.00% |
| Crockett | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Bethel Island | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Knightsen | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Clayton | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Brentwood | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Alamo | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Martinez | 9.25% | 6.00% | 0.25% | 1.00% | 2.00% |
| Moraga | 9.25% | 6.00% | 0.25% | 1.00% | 2.00% |
| Port Costa | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |
| Rodeo | 8.25% | 6.00% | 0.25% | 0.00% | 2.00% |