Colorado
Colorado's rate is indexed rather than fixed — it floats at the Federal Reserve discount rate plus a 9-point statutory spread, recalculated each September. Bidding happens on premium paid, not the rate. Redemption runs three years.
Deep-dive guideSurplus funds after a Colorado tax sale →
A public auction is only required since July 2024 (HB24-1056).
Upcoming Colorado county auctions
Full calendar →| Mesa County | Oct 16, 2026 | lien | Source ↗ |
| Routt County | Oct 30, 2026 | lien | Source ↗ |
| Eagle County | Nov 10, 2026 | lien | Source ↗ |
| Larimer County | Nov 19, 2026 | lien | Source ↗ |
Quick answers
Is Colorado a tax lien or tax deed state?+
Colorado is a tax lien certificate state.
What's the interest rate or penalty in Colorado?+
In Colorado, the rate is: Federal discount rate + 9%, bid down.
How long is the redemption period in Colorado?+
The redemption period in Colorado is 3 years.
Not sure how Colorado's system compares to a state you already know? Read Tax Lien vs. Tax Deed: What's the Difference? for the full breakdown.
This page is general information, not financial or legal advice. Rates and redemption periods are set by state statute and can change by county or legislative session — always confirm against the county's own auction notice before bidding.