Boulder Sales Tax
What is the sales tax for Boulder, Colorado? - The sales tax for Boulder, Colorado is 9.045% as of 2026. 9.045% is the combine sales tax from 2.9% of Colorado state sales tax, 3.86% of local sales tax, and 1.185% of Boulder county sales tax.
| State | Colorado | State Tax | 2.9% |
|---|---|---|---|
| City | Boulder | City Tax | 3.86% |
| County | Boulder | County Tax | 1.185% |
| Special Tax | 1.1% | ||
| Total Sales Tax | 9.045% | ||
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