Boulder County COVID-19 status is at Level Yellow. Vaccine locations and info are available in English and Spanish.

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

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.

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

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


Schedule a meeting

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

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
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1376 Miners Dr., Unit 105
Map & Directions