Commerce City, Colorado sales tax rate: 9.75%
Last updated Checked monthly
The sales tax rate in Commerce City, Colorado is 9.75%. That’s the 2.9% state rate plus 6.85% in local taxes. It’s higher than 109 of the 114 Colorado cities we checked.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Commerce City combined rate
9.75%
- Colorado state
- 2.9%
- Adams CountyCounty
- 0.75%
- Commerce CityCity
- 4.5%
- Scientific And Cultural Facilities DistrictSpecial district
- 0.1%
- South Adams County FpdSpecial district
- 0.5%
- Regional Transportation DistrictSpecial district
- 1%
Commerce City sales tax calculator
Enter a price and what you’re selling.
- ColoradoState · 2.9%$2.90
- Adams CountyCounty · 0.75%$0.75
- Commerce City CityCity · 4.5%$4.50
- Scientific And Cultural Facilities DistrictSpecial district · 0.1%$0.10
- South Adams County FpdSpecial district · 0.5%$0.50
- Regional Transportation DistrictSpecial district · 1%$1.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoCommerce City sales tax rate breakdown
State, county, city and special district taxes add up to 9.75%. District lines don’t follow city limits, so some Commerce City addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Colorado | State | 2.9% |
| Adams County | County | 0.75% |
| Commerce City City | City | 4.5% |
| Scientific And Cultural Facilities District | Special district | 0.1% |
| South Adams County Fpd | Special district | 0.5% |
| Regional Transportation District | Special district | 1% |
| Combined rate | 9.75% |
Rate history
- July 20239.25%
- July 20249.25%
- July 20259.25%
- July 20269.75%
- Today9.75%
Changed since July 2023.
Sales tax near Commerce City
Closest cities
- Thornton8 mi8.5%
- Denver10 mi9.15%
- Northglenn10 mi8.75%
- Aurora13 mi8%
- Fort Lupton14 mi6.9%
- Westminster14 mi9%
- Lafayette18 mi9.205%
- Hudson18 mi6.9%
Elsewhere in Adams County
- Thornton8.5%
- Westminster9%
- Northglenn8.75%
Charge the right rate in Commerce City, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every Colorado return for you, with a sales tax team you can call.
Commerce City sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Commerce City, Colorado?
The combined sales tax rate in Commerce City is 9.75% as of November 2, 2026. It’s made up of 2.9% Colorado state tax, 0.75% Adams County, 4.5% Commerce City City, 0.1% Scientific And Cultural Facilities District, 0.5% South Adams County Fpd, 1% Regional Transportation District.
Why does Commerce City pay Scientific And Cultural Facilities District and South Adams County Fpd and Regional Transportation District tax?
Special districts such as Scientific And Cultural Facilities District and South Adams County Fpd and Regional Transportation District levy their own sales tax on top of the state, county and city rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for the centre of Commerce City; the calculator prices any exact address.
Is SaaS taxable in Commerce City?
Partly. Colorado taxes 17% of the price of software as a service, so the effective rate in Commerce City is 4.5%.
Do online sellers have to collect sales tax in Commerce City?
Yes, if they have nexus in Colorado: more than $100,000 in Colorado sales in the previous or current calendar year, or a physical presence in the state. They register with the Colorado Department of Revenue and charge the rate at the buyer’s address.
Sources. Colorado Department of Revenue · Zamp Sales Tax API, for the centre of Commerce City. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
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