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

File your Business Personal Property Declaration

Declaration Schedules

Online Declarations

Downloadable Forms

The link above will take you to the Colorado Department of Property Taxation’s website to download declaration forms for all personal property types. These forms must be returned to the Boulder County Assessors Office, or the County within which the assets are located as of 1/1/2021. Please do not mail them to the State of Colorado.

Contact Us

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


Schedule a meeting

Mailing Address
PO Box 471
Boulder, CO 80306-0471


Assessor Boulder & Longmont Drop Boxes

1325 Pearl Street, 2nd floor
Boulder, CO 80302
Mondays thru Thursdays
Hours: 7:30 am–5 pm
Map & Directions

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

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