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Boulder County, Colorado sales tax rates

Boulder County sales tax range for 2024

5.19%

Colorado

2.9%

Boulder County

1.19%

Rtd Greater Denver

1.0%

Scientific & Cultural Fac.(cd)

0.1%

Total rate range

5.19%

*Rates are rounded to the nearest hundredth. Due to varying local sales tax rates, we strongly recommend our lookup and calculator tools on this page for the most accurate rates.

Boulder County sales tax details

The minimum combined 2024 sales tax rate for Boulder County, Colorado is 5.19%. This is the total of state, county, and city sales tax rates. The Colorado sales tax rate is currently 2.9%. The Boulder County sales tax rate is 1.19%. 

Sales tax rate lookup and sales tax item calculator

Look up the current rate for a specific address using the same geolocation technology that powers the Avalara AvaTax rate calculation engine.

Tax rates can vary within a county, a city, or even a ZIP code. Using a street address helps to ensure more accurate rates and calculations when compared to relying on broader geographic indicators.

 

*Rates are rounded to the nearest hundredth.

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Tax jurisdiction breakdown

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Minimum combined sales tax rate

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Automate your calculations

AvaTax offers street-level precision at the point of sale, eliminating the need to look up rates or maintain a database. Rate updates are pushed to your system automatically, based on the latest jurisdiction rules and regulations.

Locations related to Boulder County

Note: There can be variations within city and county lines. For more accurate rates, use the sales tax calculator.

ZIP codes in Boulder County

80025 80026 80027 80301 80302 80303 80304 80305 80306 80307 80308 80309 80310 80314 80455 80466 80471 80481 80501 80502 80503 80504 80510 80514 80516 80530 80533 80540 80544
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