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Castle Rock, ColoradoSales Tax Rate 2025

Castle Rock is located in Douglas County, Colorado. Castle Rock sales tax rate is 7.9%.
The total sales tax rate in Castle Rock comprises the state tax and the sales tax for the county. The city also imposes an additional sales tax of 4%. The table below provides a breakdown of the sales tax rate by jurisdiction.
Colorado 2.90%
Douglas County 1.00%
Castle Rock 4.00%
District / Special Tax 0.00%
Combined Sales Tax Rate 7.90%

Castle Rock Sales Tax Calculator

0.00%
Sales tax amount = N/A
State 0.00%
County 0.00%
City 0.00%
District(s) 0.00%
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.

Castle Rock District and Special Tax Rates+

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

Castle Rock Finance Department Contact Information+

ZIP codes in Castle Rock, CO+

80104 80108 80109

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