Boulder County COVID-19 status is at Level RED: “Severe Risk.” Learn more in English and Spanish. See graphic for details.

To report a Public Health order violation, complete this form. Questions about COVID & your business? Email covidbiz@bouldercounty.org.

2013 Time Trend Adjustments

Using Time Trending for Property Valuation

Residential Time Trends July 1, 2007 through June 30, 2012

Market Area Factor Tables Map
2013 Apartments Time Trends PDF XLSX None
2013 Residential Condominiums Residential Time Trends PDF XLSX None
2013 Boulder and Gunbarrel Residential Time Trends
Market Areas: 101, 102, 103, 104, 105, 106, 107, 401
PDF XLSX Boulder Area
2013 Erie, Lafayette, Louisville and Superior Residential Time Trends
Market Areas: 401, 402, 403, 404, 405, 406
PDF XLSX Southeast County
2013 Longmont and Niwot Residential Time Trends
Market Areas: 501, 502, 503, 504, 505
PDF XLSX Longmont Area
2013 Mountains Residential Time Trends
Market Areas: 201, 202
PDF XLSX County Overview
2013 Unincorporated Plains Residential Time Trends
Market Areas: 301, 302, 303, 304
PDF XLSX County Overview

Contact Us

Due to COVID-19, all Assessors Office sites are closed for business until further notice. Please call or email us with your questions during our normal business hours.

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

Business Personal Property
Phone: 303-441-3316
Fax: 303-441-1783

Email

Schedule a meeting

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

Locations
Boulder
1325 Pearl St., 2nd floor
Boulder, CO 80302
Map & Directions
Hours: 8 a.m.-4:30 p.m. M-F

Longmont
515 Coffman Street, Suite 114
Map & Directions

Lafayette
1376 Miners Dr., Unit 105
Map & Directions