Commerce City Sales Tax Calculator

The combined sales tax rate in Commerce City, Colorado is 9.75% in 2026 — a 2.9% Colorado state rate plus 6.85% in local add-ons. That is the highest rate of the 41 Colorado cities we track, and it runs above Colorado's 7.86% average. On a $100 purchase that's $9.75 in tax for a $109.75 total.

$100.00 total

Before tax: $100.00 · Sales tax: $0.00 (0%)

State & average combined rates: Tax Foundation 2026. Local rates vary by city/county — adjust the rate for an exact figure. How we calculate →

Commerce City sales tax rate in 2026

Commerce City charges a combined sales tax rate of 9.75%: the Colorado statewide base of 2.9% plus 6.85% in city and county add-ons. Commerce City is in Adams County. Commerce City administers its own sales tax (home-rule); the combined rate shown is published by the Colorado Department of Revenue for information.

That local add-on is set by Commerce City and the taxing districts that overlap it, which is why neighboring cities in Colorado can charge a different total even a few miles apart.

Commerce City vs the rest of Colorado

At 9.75%, Commerce City runs above Colorado's 7.86% statewide average combined rate by 1.89%. Among the 41 Colorado cities we track by combined rate, Commerce City ranks the highest.

That puts Commerce City on the higher end for Colorado — worth double-checking against the official lookup tool if you're quoting a price to a customer or filing a return.

Sales tax examples in Commerce City

At Commerce City's 9.75% combined rate:

$100 → $9.75 tax, $109.75 total · $1,000 → $97.50 tax, $1,097.50 total · $25,000 car purchase → $2,437 tax, $27,437 total.

Working backwards: a $1,100.00 receipt total in Commerce City means the pre-tax price was $1,002.28 and $97.72 was tax — use “Remove tax” mode above to reverse any total instantly.

A note on Commerce City's exact rate

The 9.75% rate applies within Commerce City's official city limits as published by Colorado DOR — Sales & Use Tax Rate Lookup (DR 1002). Addresses with a Commerce City mailing address but outside the incorporated city line — a common situation on the edges of any city — can fall under a different, usually lower, rate.

For an address-exact rate, use the official lookup tool: Colorado DOR — Sales & Use Tax Rate Lookup (DR 1002). This calculator pre-fills the published city-limits rate as a reliable starting point.

Commerce City sales tax — frequently asked questions

What is the sales tax rate in Commerce City, Colorado?

Commerce City's combined sales tax rate is 9.75% in 2026 — 2.9% Colorado state tax plus 6.85% in local add-ons. That's the highest rate of the 41 Colorado cities we track.

How much is sales tax on $100 in Commerce City?

At Commerce City's 9.75% rate, sales tax on a $100 purchase is $9.75, for a $109.75 total.

How much sales tax will I pay on a $25,000 car in Commerce City?

At Commerce City's 9.75% combined rate, sales tax on a $25,000 vehicle purchase is about $2,437, for a $27,437 total before any trade-in credit or registration fees.

Is Commerce City's sales tax higher or lower than the Colorado average?

Commerce City runs above Colorado's 7.86% statewide average by 1.89%, ranking the highest of the 41 Colorado cities we track.

How do I calculate sales tax backwards from a total in Commerce City?

Divide the total by 1 plus the rate. A $1,100.00 total in Commerce City works back to a $1,002.28 pre-tax price and $97.72 of tax. Use “Remove tax” mode above to do this automatically.

Does Commerce City's sales tax rate apply everywhere in the Commerce City area?

The 9.75% rate applies within Commerce City's official city limits. Nearby addresses outside the incorporated boundary can be taxed at a different rate — check Colorado DOR — Sales & Use Tax Rate Lookup (DR 1002) for an address-exact figure.

Compare nearby cities in Colorado

See all 41 Colorado cities ranked by combined sales tax rate, or compare:

Researched & verified by the Calcuris Data & Research Team. How we build and check our tools →