Colorado · County seat: Denver
City and County of Denver, CO property taxes (2026)
✓ Verified August 2026 against official county pages — 2 sources linked below.
| What's the rate? | 7.05% school / 6.8% local |
| When is payment due? | Pay in halves — last day of February and June 15 — or in full by April 30. Statements mail in January. |
| When does the county reassess? | Denver revalues all real property in odd-numbered years like every Colorado county. 2026 values carry over from the 2025 revaluation unless the property changed; the next full revaluation lands with the May 1, 2027 Notices of Valuation. |
| When is the appeal deadline? | November 15, 2026 — how to appeal |
Payment due dates
Tax bills go out January 2027.
| Payment | Due | Delinquent after | Notes |
|---|---|---|---|
| First half (2026 taxes) | February 28, 2027 | — | Due the last day of February |
| Second half (2026 taxes) | June 15, 2027 | — | |
| Or pay in full | April 30, 2027 | — | Single-payment option |
If you miss the deadline: Late installments accrue interest at 1% per month. Denver mails delinquency notices through the summer and auctions tax liens on still-unpaid accounts in October.
Tax rate
2026 residential assessment rates (statewide): 7.05% school / 6.8% local (of actual value; local side reduced 10% (up to $70,000) first) — Your bill = assessed value × Denver's total mill levy ÷ 1,000; Denver is a consolidated city-county, so one levy stack covers city, county, and Denver Public Schools
Reassessment schedule
Denver revalues all real property in odd-numbered years like every Colorado county. 2026 values carry over from the 2025 revaluation unless the property changed; the next full revaluation lands with the May 1, 2027 Notices of Valuation.
| Cycle | biennial (odd years) |
| Next reassessment year | 2027 |
| Notices usually mail | May (Notice of Valuation (mailed by May 1)) |
Think your value is too high?
The appeal deadline rule in City and County of Denver: Denver uses Colorado's alternate protest procedure: protests of the assessor's valuation are due November 15 — months later than the June 8 deadline most Colorado counties use. For 2026 that means November 15, 2026. Step-by-step instructions, forms, and where to file: how to appeal your City and County of Denver assessment.
Want a lower bill without arguing value? Check what you can claim: City and County of Denver exemptions (homestead, senior, veteran).
Common questions
- When are Denver property taxes due?
- Statements mail in January. Pay in halves — last day of February and June 15 — or in full by April 30. Late payments accrue 1% interest per month.
- Can I still appeal my Denver valuation this year?
- Yes — that's Denver's quirk. While most Colorado counties' protest window closed June 8, Denver's alternate procedure gives you until November 15, 2026. Filing with the assessor is free.
- How is my Denver bill calculated?
- Assessed value × Denver's total mill levy ÷ 1,000. For 2026, homes are assessed at 7.05% of actual value for schools and 6.8% for local government (after a 10% local-side value reduction, up to $70,000).
- When does Denver reassess my home?
- Odd-numbered years, like all of Colorado. The next revaluation shows up on the Notice of Valuation mailed by May 1, 2027.
Who to contact
| Assessor (values, appeals, exemptions) | Denver County Assessor |
| Treasury (bills, payments) | Denver Treasury Division |
Sources
Every fact on this page comes from an official page. Check them yourself:
- City & County of Denver — Property Tax Calendar — checked 2026-08-12
- Summit County — Understanding Property Taxes in Colorado (2026 assessment rates) — checked 2026-08-12