Denver County, ColoradoProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Tax bill mailing
- January 2027; Denver states property-tax bills are mailed in January; the exact 2027 date was not published.
- Payment deadline
- For 2026 property taxes payable in 2027: taxes are due January 1, 2027; amounts over $25 may be paid in two equal installments, with the first half due by February 28, 2027 and the second half by June 15, 2027, or paid in full by April 30, 2027. Colorado county treasurers apply delinquent interest after the applicable deadline; a statutory weekend/holiday adjustment may apply.
- Assessment appeal
- May 1 through June 8, 2026 for real-property valuation protests; the next business day applies when the statutory deadline falls on a weekend or holiday.
- Rate information
- 7.9602% combined general mill levy for 2025 (79.602 mills; actual parcel tax rates vary by taxing district); a 2026 countywide effective average was not published.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
March 15, 2026 for Denver's Qualified Senior Primary Residential Classification form; the standard Colorado senior homestead exemption uses a July 15 filing deadline.
Senior relief
Colorado Senior Homestead Exemption: qualifying senior (generally age 65+ as of January 1) who owned and occupied the primary residence for at least 10 consecutive years; 50% of the first $200,000 of actual value is exempt. Surviving spouses and qualifying disabled veterans may have separate eligibility. Applications are due July 15; the program is subject to state funding/law.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.
More exemption & appeal guidance →