94520 Sales Tax Rate
ZIP code 94520 (Concord, CA) covers 2 sales tax areas with combined rates from 8.75% to 9.75%. See the state, county, city and special district breakdown and calculate the tax. Rates effective October 2026.
ZIP code 94520 crosses city and county lines, so it can have more than one sales tax rate. The rates below belong to the cities and county areas that overlap this ZIP code (based on U.S. Census Bureau ZIP Code Tabulation Areas). Use the calculator with your city, or the state's official address lookup, for an exact address.
Tax area 1: Concord, Contra Costa County
- State tax
- 7.25%
- County tax (Contra Costa)
- 1.5%
- City tax (Concord)
- 1%
- Special district tax
- 0%
- Combined rate
- 9.75%
Tax area 2: Unincorporated Contra Costa County
- State tax
- 7.25%
- County tax (Contra Costa)
- 1.5%
- City tax
- 0%
- Special district tax
- 0%
- Combined rate
- 8.75%