What is the sales tax for 80104 Castle Rock, Colorado? - The sales tax for 80104 Castle Rock, Colorado is 8.1% as of 2025. 8.1% is the combine sales tax from 2.9% of Colorado state sales tax, 4.2% of local sales tax, and 1% of Douglas county sales tax.
| Zip Code | 80104 | ||
|---|---|---|---|
| State | Colorado | State Tax | 2.9% |
| City | Castle Rock | City Tax | 4.2% |
| County | Douglas | County Tax | 1% |
| Special Tax | 0% | ||
| Total Sales Tax | 8.1% | ||
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