Appeals & Abatements

Appealing your Notice of Determination

    The September 15, 2016 deadline for filing an appeal at the County Board of Equalization (CBOE) has passed. For questions, either call the CBOE office at 303-441-4590, or go to the CBOE website.

Business Personal Property

Appeals for Business Personal Property are accepted from June 15–June 30 each year. Outside of these dates:

Real Property

Appeals for Real Property are accepted from May 1–June 1 each year. Outside of these dates:

Property Tax Abatements

An official reduction or invalidation of an assessed valuation after the initial assessment for a tax based on the value of real estate or personal property.

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Jerry Roberts, Assessor

Jerry Roberts

Meet the Assessor

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Main: 303-441-3530
Alternate: 303-441-4830
Fax: 303-441-4996
Business Personal Property
Main: 303-441-3316
Fax: 303-441-1783
Mailing Address
Main: PO Box 471
Boulder, CO 80306-0471


1325 Pearl St., 2nd floor
Boulder, CO 80302
Map & Directions
Hours: 8 a.m.-4:30 p.m. M-F


515 Coffman Street, Suite 114
Map & Directions
Hours: 8 a.m.-4:30 p.m.
Mondays ONLY


1376 Miners Dr., Unit 105
Map & Directions
Hours: 8 a.m.-4:30 p.m.
Tuesdays ONLY