Boulder County government offices closed Thursday, Nov. 28, and Friday, Nov. 29, for the Thanksgiving holiday.

2019 Time Trend Adjustments

Using Time Trending for Property Valuation

Residential Time Trends July 1, 2013 through June 30, 2018

Market Area Factor Tables Map
2019 Apartment Time Trends
Market Areas: 640, 641, 642, 643, 644, 645, 646
PDF XLSX None
2019 Condominium Residential Time Trends
Market Areas: 630, 632, 633, 634
PDF XLSX None
2019 Boulder Residential Time Trends
Market Areas: 101, 102, 103, 104, 105, 106, 107, 108, 109
PDF XLSX Boulder Area
2019 Erie, Gunbarrel, Lafayette, Louisville, Niwot, & Superior Residential Time Trends
Market Areas: 401, 402, 403, 404, 405, 407, 501
PDF XLSX County Overview
2019 Longmont Residential Time Trends
Market Areas: 502, 503, 504, 505, 506, 507
PDF XLSX Longmont Area
2019 Mountain Residential Time Trends
Market Areas: 201, 202
PDF XLSX Southeast County
2019 Unincorporated Plains Residential Time Trends
Market Areas: 301, 302, 303, 304
PDF XLSX County Overview

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