See Marshall Fire Recovery or call 303-413-7730 for assistance, resources and information on the Marshall Fire.

County offices are closed for Martin Luther King, Jr. Day on Jan. 17. Public safety services continue on a regular schedule and the DAC is open.

2015/2016 Comparable Sales

Prior 2015/2016 Tax Years: Comparable Sales

Base Period Sales from July 1, 2012–June 30, 2014

These sales are used for the 2019/2020 tax years. Use the time-adjusted sales prices if appealing your property assessment.

Non-Residential Sales

Residential Sales

Time Trend Adjustments

Using Time Trending

Market Area

Comparable properties are often found in the same Market Area, which are groups of neighborhoods that have similar trends in the market. Boulder County uses these areas to establish market value for mass appraisal purposes. Your market area number is listed on your full-page Notice of Valuation (not the postcard) on the lower left side of the page below your property address and account number.

Contact Us

Assessor
Main phone: 303-441-3530
Main fax: 303-441-4996

Business Personal Property
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 Street, 2nd floor
Boulder, CO 80302
Mondays thru Thursdays
Hours: 7:30 am–5 pm
Map & Directions

Longmont
515 Coffman Street, Suite 114
Mondays ONLY
Hours: 7:30 am–5 pm
Map & Directions

Lafayette
1376 Miners Drive, Unit 105
Tuesdays ONLY
Hours: 7:30 am–5 pm
Map & Directions