75166 Sales Tax Rate
ZIP code 75166 (Dallas, TX) covers 5 sales tax areas with combined rates from 6.25% to 8.25%. See the state, county, city and special district breakdown and calculate the tax. Rates effective July 2026.
ZIP code 75166 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: Dallas, Collin County
- State tax
- 6.25%
- County tax (Collin)
- 0%
- City tax (Dallas)
- 1%
- Special district tax
- 1%
- Combined rate
- 8.25%
Tax area 2: Lavon, Collin County
- State tax
- 6.25%
- County tax (Collin)
- 0%
- City tax (Lavon)
- 2%
- Special district tax
- 0%
- Combined rate
- 8.25%
Tax area 3: Wylie, Collin County
- State tax
- 6.25%
- County tax (Collin)
- 0%
- City tax (Wylie)
- 2%
- Special district tax
- 0%
- Combined rate
- 8.25%
Tax area 4: Unincorporated Collin County
- State tax
- 6.25%
- County tax (Collin)
- 0%
- City tax
- 0%
- Special district tax
- 0.5%
- Combined rate
- 6.75%
Tax area 5: Unincorporated Collin County
- State tax
- 6.25%
- County tax (Collin)
- 0%
- City tax
- 0%
- Special district tax
- 0%
- Combined rate
- 6.25%