94548 Sales Tax Rate
The sales tax rate for ZIP code 94548 in Knightsen, Contra Costa County, CA is 8.75%: 7.25% state and 1.5% county tax. Rates effective October 2026.
ZIP code 94548 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.
- State tax
- 7.25%
- County tax (Contra Costa)
- 1.5%
- City tax
- 0%
- Special district tax
- 0%
- Combined rate
- 8.75%