1. Important Appeal Dates
  2. Appeal Submittal Options

June 8* Assessor-level Real Property Appeal Deadline

Each year from May 1 through June 8* property owners may appeal their values to the County Assessor. To preserve your right to object, your appeal must be postmarked, emailed, faxed, online filed, or delivered in person on or before June 8, 2023. 39-5-122(2), C.R.S.

June 30* Notices of Determination Mailed

The Assessor must make a decision on your protest and mail a Notice of Determination (NOD) to you by the last regular working day in June. The NOD includes further appeal rights to the CBOE.

July 15* CBOE-level Appeal Deadline

If you disagree with the Assessor's determination, or if you do not receive a Notice of Determination, you must file a written appeal with the County Board of Equalization (CBOE) on or before July 17, 2023. 

June 15* Personal Property Appeal Deadline

The appeal period for personal property is June 15 through June 30 each year.* Notices of Determination are mailed July 10*.

*When a deadline falls on the weekend or holiday, the taxpayer, as well as the government, has until the following business day to timely file.