Notice of Valuation
Appeal deadline
Appeals are accepted June 15 through June 30.
Business Personal Property value appeal options:
Appeal in person
Hours: 7:30am-5:00pm
- Boulder office open Monday-Thursday
- Longmont office open Mondays ONLY
- Lafayette office open Tuesdays ONLY
Appeal online
Form and instructions for online appeal
- You may provide additional documentation for Your Online Appeal
If you experience difficulties, or wish to provide additional information, please call our office at 303-441-3530 and we will make alternative arrangements for you to submit your appeal and attachments. - We strongly recommend saving a copy of your appeal before submitting it to our office.
- After you have submitted your appeal, you should receive an auto reply email to confirm receipt.
Download an appeal form
Email a completed form to assessor@bouldercounty.org
Be sure to include:
- Account number
- Business name
- Reason for appeal
Fax a completed appeal form to 303-441-4996
Mail via USPS to
-
- Boulder County Assessor
- P.O. box 471 Boulder, CO 80306
Deadline for online appeals
Online appeals time-stamped after 11:59 pm, June 30 are late. Your property value will be reviewed, but by filing after June 30 you have forfeited the right to further appeal.
Appeals for prior years
Do not use this online form to submit an appeal for any year prior to this year. To appeal prior years please see Property Value Abatements, or call 303-441-3530.
