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Sales & use tax

Sales & use tax

78729 ZIP Code sales tax rate

8.25%
78729 combined sales tax rate for 2026
  • Texas
    6.25%
  • Austin Mta Transit
    1%
  • Williamson County Emergency Service District No 1 Sp
    1%
  • Minimum combined sales tax rate
    8.25%

*Rates are rounded to the nearest hundredth. Due to varying local sales tax rates, we strongly recommend our lookup and calculator tools on this page for the most accurate rates.

78729 sales tax details

The minimum combined 2026 sales tax rate for 78729, Texas is 8.25%. This is the total of state, county, and city sales tax rates. The Texas sales tax rate is currently 6.25%.

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Get sales tax rate tables for all the states where you do business. Download rates tables for multiple states down to the ZIP code.
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Sales tax rate lookup and sales tax item calculator

Look up the current rate for a specific address using the same geolocation technology that powers the Avalara AvaTax rate calculation engine.

Tax rates can vary within a county, a city, or even a ZIP code. Using a street address helps to ensure more accurate rates and calculations when compared to relying on broader geographic indicators. 

*Rates are rounded to the nearest hundredth.

Enter any U.S. address to get the sales tax rate for your exact location

Need more rates? Get immediate access to our sales tax calculator.
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  • Minimum combined sales tax rate
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Calculate total amount See your sales tax rate applied to any item price. Enter a numerical value with no commas or spaces.
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  • +Total sales tax
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Additional Resources

Locations related to 78729 ZIP Code

Note: There can be variations within city and county lines. For more accurate rates, use the sales tax calculator.

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