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Round Rock, TexasSales Tax Rate 2025

Round Rock is located in Williamson County, Texas. Round Rock sales tax rate is 8.25%.
The total sales tax rate in Round Rock comprises the Texas state tax. The city also imposes an additional sales tax of 2%. The table below provides a breakdown of the sales tax rate by jurisdiction.
Texas 6.25%
Williamson County 0.00%
Round Rock 2.00%
District / Special Tax 0.00%
Combined Sales Tax Rate 8.25%

Round Rock Sales Tax Calculator

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State 0.00%
County 0.00%
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The TaxHero sales tax calculator provides a combined sales tax rate based on a full address lookup. A complete address ensures precision since ZIP codes may cross different tax jurisdictions. Results are for reference and may need additional context for compliance. Contact us today for a demo and learn how TaxHero can support your business.

Round Rock District and Special Tax Rates+

If you make retail sales in Texas subject to the state sales tax from a business located in a taxing district, district sales tax is generally due on your sales of tangible personal property. To help you identify the correct sales tax rate in Round Rock, you may look up the sales tax rate by address and ZIP code in our calculator.

City of Round Rock Contact Information+

ZIP codes in Round Rock, TX+

78664 78665 78681 78682 78683

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