Online Tools

Revenue Online

Use Revenue Online (ROL) to manage, file, and pay state-collected taxes and fees.
 

For Individuals For Businesses

SUTS

Use Sales & Use Tax System (SUTS) to file and pay sales taxes for self-collecting municipalities.

For Businesses

GIS

Use Geographic Information System (GIS) to look up sales tax rates for any location in Colorado.

For Businesses

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Latest Updates

Colorado Department of Revenue Announces Temporary Pause of SUTS Bulk Address Lookup Feature Due to Unprecedented Commercial Volume

Denver, Friday, SEPTEMBER 25, 2026 — The Colorado Department of Revenue (DOR) Taxation Division today announced a temporary pause of the Sales and Use Tax System (SUTS) bulk address lookup feature. The pause will start on September 29,2026.

The decision follows extraordinary system utilization that has far exceeded statutory budget allocations established under the Electronic Sales And Use Tax Simplification System Act (H.B. 23-1017).

Colorado Department of Revenue Releases AMRs for Retail Marijuana Effective October 1, 2026

DENVER — September 22, 2026 – The Colorado Department of Revenue (DOR) today announced the Average Market Rates (AMRs) for retail marijuana effective October 1 through December 31, 2026. These rates are used to help calculate the state's excise tax on retail marijuana. The AMRs for October 1 through December 31 are...

Marijuana Sales Generate Almost $19M in Revenue in July

DENVER - September 17, 2026 - The Colorado Taxation Division today released the updated figures for marijuana tax and fee revenue for July 2026, alongside sales data for June 2026...
 

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