Stage 1 fire restrictions for western Boulder county effective 11/30/21. See flyer, map, and news release for details.

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 option 1
Fax: 303-441-4996

Business Personal Property
Phone: 303-441-3530 option 2
Fax: 303-441-1783

Email

Schedule a meeting

Mailing Address
Main: PO Box 471
Boulder, CO 80306-0471

Locations

Assessor Boulder & Longmont Drop Boxes

Boulder
1325 Pearl St., 2nd floor
Boulder, CO 80302
Map & Directions
Hours: 7:30 a.m.–5 p.m. M–Th

Longmont
515 Coffman Street, Suite 114
Map & Directions

Lafayette
1376 Miners Dr., Unit 105
Map & Directions
Please note: the Lafayette office will be closed until October 26.