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Colorado property tax

Start with your county. Published tax dates and rules link to the official source.

Statewide rules

✓ Verified — Last verified October 24, 2026

Penalty statute

C.R.S. 39-10-104.5(3)(b): full payments after April 30 accrue 1% monthly interest from May 1; installment payments have separate accrual rules.

Official source. Statutory. Verified .

Appeal process

After the assessor and county board stage, the state describes district court, binding arbitration, or the Board of Assessment Appeals as routes. A BAA decision can be appealed to the Colorado Court of Appeals.

Official source. Verified .

Counties and county equivalents

Common questions

How do property tax appeals work in Colorado?

After the assessor and county board stage, the state describes district court, binding arbitration, or the Board of Assessment Appeals as routes. A BAA decision can be appealed to the Colorado Court of Appeals.

Sources

olls.info
If the full amount of taxes is paid in a single payment after the last day of April, interest shall be added to the full amount of taxes due in the amount of one percent per month which shall accrue from the first day of May until the date of payment.

Verified October 24, 2026

content.leg.colorado.gov
Taxpayer may appeal to district court, binding arbitration, or the Board of Assessment Appeals (BAA).

Verified October 24, 2026