Westminster, ColoradoSales Tax Rate 2025

Westminster is located in Adams and Jefferson County, Colorado. Westminster sales tax rate is 8.35% for Jefferson County, and 8.60% for Adams County.

The total sales tax rate in Westminster comprises the state tax, the sales tax for county, and any applicable special or district taxes. The city also imposes an additional sales tax of 3.85%. The table below provides a breakdown of the sales tax rate by jurisdiction.

Combined Sales Tax Rate	8.35% (Jefferson County) & 8.60% (Adams County)
Colorado	2.90%
Adams County	0.50% (Jefferson County) & 0.75% (Adams County)
Westminster	3.85%
District / Special Tax	1.10%

Westminster Sales Tax Calculator

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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.

Westminster District and Special Tax Rates+

To help you identify the correct sales tax rate in Westminster, you may look up the sales tax rate by address and ZIP code in our calculator.

Westminster Business Department Contact Information+

ZIP codes in Westminster, CO+

80030 80031 80035 80036

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