News & Information
Real Property Value Appeals were accepted May 1 through June 1, 2021
Business Personal Property Appeals were accepted June 15 through June 30, 2021
The Assessor’s Office will mail Notices of Determination to property owners who file on-time appeals on or before August 15, 2021. Property owners will have until September 15, 2021 to appeal their determination to the Board of Equalization.
• Due to a mailing error some property owners did not receive their Notice of Determination. If you did not receive your Notice of Determination, please contact the Assessor’s Office by September 22. Assessor@BoulderCounty.org 303-441-3530
Assessor’s Office New Hours
The Assessor’s Office is one of several Boulder County departments participating in a pilot program to explore moving to a four-day work-week.
Starting January 4, the Assessor’s Office staff will be available Monday through Thursday, 7:30 a.m.–5:00 p.m. online and by phone, to take your questions or schedule appointments. Please call 720-574-1880, or email Assessor@BoulderCounty.org.
Assessor’s Office Status
All Assessor’s Office locations are open to the public.
Staff is still available online and by phone during regular business hours to take your questions or to schedule appointments. Please call 303-441-3530, or email Assessor@BoulderCounty.org.