Step 1: Protest with the County Assessor

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The first step in appealing your property tax assessment is to protest with the County Assessor.

  • Contact the County Assessor in your county for information about filing a protest. 
  • Voters elect an Assessor in each county.
  • The Assessor should have an office in your county.

Links to County Assessor

Here are links to the County Assessor's office in the 15 most populous counties in Colorado. Counties are listed by population. A list of some of the cities in that county are provided in the description.

Denver County Assessor

El Paso County Assessor
Colorado Springs and Monument.

Arapahoe County Assessor
Aurora, Centennial, and Littleton.

Jefferson County Assessor
Golden, Lakewood, Arvada, Morrison, and Conifer.

Adams County Assessor
Brighton, Thornton, Northglenn, and Henderson.

Larimer County Assessor
Fort Collins, Loveland, and Estes Park.

Douglas County Assessor
Castle Rock, Parker, and Lone Tree.

Boulder County Assessor
Boulder, Longmont, Lyons, and Nederland.

Weld County Assessor
Greeley, Windsor, and Fort Lupton.

Pueblo County Assessor
Pueblo and Colorado City.

Mesa County Assessor
Grand Junction and Fruita.

Broomfield County Assessor

Garfield County Assessor
Glenwood Springs and Rifle.

La Plata County Assessor
Durango

Eagle County Assessor
Eagle, Vail, and Edwards.