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 option 1
Fax: 303-441-4996

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


Schedule a meeting

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


Assessor Boulder & Longmont Drop Boxes

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

515 Coffman Street, Suite 114
Map & Directions

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