2023/2024 Non-Residential Sales

Current 2023/2024 Tax Years: Non-Residential Sales

2023/2024 Comparable Sales

2023/2024 Residential Sales

Time Trend Adjustments

Using Time Trending

Base Period Sales from July 1, 2020–June 30, 2022

Commercial Properties

Commercial Sales by Use PDF XLSX

Commercial Condominiums

Commercial Condominium Sales PDF XLSX

Commercial & Industrial Detailed Valuation Information

Data used to determine the actual value of Commercial and Industrial properties and includes detailed valuation information on cost, income, and market approaches. This is not a comprehensive list of all properties in Boulder County, and is provided in addition to the lists of comparable commercial property sales.

Commercial & Industrial Property Summary Data XLSX

Vacant Land Sales

Sorted by market area. The land size under “acres” is not necessarily the surveyed land size, but may only be a GIS (Geographic Information systems) measurement. Sales include residential, commercial, and industrial lands, and vacant land with minor structures.

Vacant Property Sales PDF XLSX
Marshall Fire Land Sales PDF XLSX

Contact Us


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


Mailing Address

PO Box 471
Boulder, CO 80306-0471

Hours: 7:30 a.m. to 5 p.m.
Closed Friday


Assessor Boulder and Longmont Drop Boxes


1325 Pearl St., 2nd floor
Boulder, CO 80302
Hours: 7:30 a.m. to 5 p.m.
Map and Directions Boulder Location


515 Coffman St., Suite 114
Hours: 7:30 a.m. to 5 p.m.
Monday only
Map and Directions Longmont Location


1755 S Public Road
Hours: 7:30 a.m. to 5 p.m.
Tuesday only
Map and Directions Lafayette Location