Starting Jan. 1, the minimum wage in unincorporated Boulder County is $15.69/hour.

A partir del 1 de enero, el salario mínimo local en la zona no incorporada del condado de Boulder será de $15.69/hora.

2023/2024 Time Trend Adjustments

2023/2024 Comparable Sales

Using Time Trending for Property Valuation

Time Trends July 1, 2017 through June 30, 2022

Residential

Market Area Factor Tables
2023 Apartment Time Trends
Market Areas: 640, 641, 642, 643, 644, 645
PDF XLSX
2023 Condominium Residential Time Trends
Market Areas: 630, 632, 633, 634
PDF XLSX
2023 Boulder Residential Time Trends
Market Areas: 101, 102, 103, 104, 105, 106, 107, 108, 109
PDF XLSX
2023 Erie, Gunbarrel, Lafayette, Louisville, Niwot, & Superior Residential Time Trends
Market Areas: 401, 402, 403, 404, 405, 407, 501
PDF XLSX
2023 Longmont Residential Time Trends
Market Areas: 502, 503, 504, 505, 506, 507
PDF XLSX
2023 Mountain Residential Time Trends
Market Areas: 201, 202
PDF XLSX
2023 Unincorporated Plains Residential Time Trends
Market Areas: 301, 302, 303, 304
PDF XLSX

Vacant Land

Location Factor Tables
2023 Boulder Time Trends PDF XLSX
2023 Erie Time Trends PDF XLSX
2023 Lafayette Time Trends PDF XLSX
2023 Longmont Time Trends PDF XLSX
2023 Louisville Time Trends PDF XLSX
2023 Lyons Time Trends PDF XLSX
2023 Mountain towns (Nederland, Ward, Jamestown) Time Trends PDF XLSX
2023 Superior Time Trends PDF XLSX
2023 Unincorporated Time Trends PDF XLSX
2023 Commercial (outside Boulder) Time Trends PDF XLSX
2023 Commercial in Boulder Time Trends PDF XLSX

Commercial

Property Use Factor Tables
2023 Industrial Time Trends PDF XLSX
2023 Lodging Time Trends PDF XLSX
2023 Office/Medical Time Trends PDF XLSX
2023 Retail Time Trends PDF XLSX

Commercial Condos

Property Use Factor Tables
2023 Industrial Time Trends PDF XLSX
2023 Office/Medical/Retail/Restaurant Time Trends PDF XLSX

Contact Us

Assessor

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

Email

Mailing Address

PO Box 471
Boulder, CO 80306-0471

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

Locations

Assessor Boulder and Longmont Drop Boxes

Boulder

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

Longmont

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

Lafayette

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