Antioch Sales Tax Rate
9.75% combined in Antioch, Contra Costa County · California's #54 city by population
The sales tax rate in Antioch is 9.75% as of October 13, 2026. That is the 7.25% statewide base plus 2.50% in local district taxes: 1.50% across Contra Costa County and 1.00% from the city itself.
Antioch Sales Tax Calculator
Sales tax at 9.75%
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Where the 9.75% comes from
Every California sale starts at the 7.25% statewide base. Contra Costa County voters and agencies have added 3 district taxes that apply in every city in the county, and Antioch adds 1 of its own. Each line below is from CDTFA's district tax list.
| Tax | Applies in | In effect since | Rate |
|---|---|---|---|
| State sales and use tax | All of California | — | 6.00% |
| Local sales tax (Bradley-Burns): 1% for city or county operations, 0.25% for county transportation | All of California | — | 1.25% |
| Bay Area Rapid Transit District | Contra Costa County | April 1970 | 0.50% |
| Contra Costa Transportation Authority | Contra Costa County | April 1989 | 0.50% |
| County of Contra Costa Transactions and Use Tax | Contra Costa County | April 2021 | 0.50% |
| City of Antioch Increase Transactions and Use Tax | Antioch only | April 2019 | 1.00% |
| Combined rate in Antioch | 9.75% |
Sales tax on common purchases in Antioch
| Price before tax | Tax at 9.75% | Total |
|---|---|---|
| $100.00 | $9.75 | $109.75 |
| $500.00 | $48.75 | $548.75 |
| $1,000.00 | $97.50 | $1,097.50 |
| $2,500.00 | $243.75 | $2,743.75 |
| $35,000.00 (car registered in Antioch) | $3,412.50 | $38,412.50 |
Groceries (most food for home consumption) and prescription medicine are exempt from California sales tax, so these rates apply to taxable goods such as clothing, electronics, furniture, restaurant meals and vehicles.
How Antioch compares
Antioch's 9.75% is the 31st-highest rate among California's 100 largest cities (shared with 5 others). Across the 19 cities in Contra Costa County, rates run from 8.75% (Brentwood, Clayton, Danville and 1 more) to 10.25% (El Cerrito, Pinole). Unincorporated areas pay 8.75%.
Frequently Asked Questions
What is the sales tax rate in Antioch, California?
Antioch's combined sales tax rate is 9.75% as of October 13, 2026: the 7.25% statewide base plus 2.50% in district taxes (1.50% countywide and 1.00% from the city).
Does Antioch have its own city sales tax?
Yes. Antioch adds 1.00% on top of the county rate through City of Antioch Increase Transactions and Use Tax (1.00%). That city portion applies only inside the city limits.
What is the sales tax on a car bought in Antioch?
For a vehicle, the district tax follows the address where the car is registered, not where the dealer is. Registered at an Antioch address, a car is taxed at 9.75%: $3,412.50 on a $35,000 purchase.
How does Antioch's rate compare with the rest of Contra Costa County?
Rates in Contra Costa County's cities run from 8.75% to 10.25% (El Cerrito, Pinole). Antioch is at 9.75%. Unincorporated areas of the county pay 8.75%.
Is the rate the same at every address in Antioch?
Almost always. CDTFA's rate applies across the city limits, but a mailing address can say Antioch while the property sits in an unincorporated area or a neighboring city. Check a specific address with CDTFA's online rate lookup.
Sources
- CDTFA California City & County Sales & Use Tax Rates (combined rate for each quarter)
- CDTFA-105, District Taxes, Rates, and Effective Dates and Explanation of Tax Rate Changes (each district tax)
- CDTFA rate lookup by address
Educational information only. Rates are copied from CDTFA's published tables and change on the first day of a calendar quarter when new district taxes start or old ones end. Confirm the rate for a specific address with CDTFA before filing a return.