Boulder County government offices are closed Monday, May 29, in observance of Memorial Day.

If you have questions about property valuation and property tax, visit boco.org/2023Valuation.

Assessment Abstracts

Assessment Abstracts

Total Assessed Valuation for Boulder County

Abbreviated reports showing the total assessed valuation for Boulder County by property classification. This data is used by the State Division of Property Taxation to calculate the impact upon the statewide residential assessment rate.

2022 2021 2020 2019 2018 2017 2016
Assessment Abstract Brochure PDF PDF PDF PDF PDF PDF PDF
Authority Breakdown by Class PDF PDF PDF PDF PDF PDF PDF

Contact Us

Assessor
Phone: 303-441-3530
Fax: 303-441-4996

Email

Mailing Address
PO Box 471
Boulder, CO 80306-0471

*New as of Jan 4, 2021*
Monday thru Thursday
Hours: 7:30 am–5 pm
CLOSED Friday

Locations

Assessor Boulder & Longmont Drop Boxes

Boulder
1325 Pearl Street, 2nd floor
Boulder, CO 80302
Monday thru Thursday
Hours: 7:30 am–5 pm
Map & Directions

Longmont
515 Coffman Street, Suite 114
Monday ONLY
Hours: 7:30 am–5 pm
Map & Directions

Lafayette
1376 Miners Drive, Unit 105
Tuesday ONLY
Hours: 7:30 am–5 pm
Map & Directions