Real Property Process

Property owners may appeal their values each year from May 1 through June 1*. The Assessor’s Office reviews the appeals and sends a Notice of Determination on June 30*, which outlines the decision and further appeal rights.

-      For inquiries about the valuation of a Commercial Improved property, please make an appointment with our Commercial Appraiser using the following link:

Personal Property Process

The appeal period for personal property is June 15 through June 30 each year.* Notices of Determination are mailed July 10*. 
*When a deadline falls on the weekend or holiday, the taxpayer, as well as the government, has until the following business day to timely file.

Submittal Information

Appeals to valuation may be submitted to the assessor via email, online filing, in person, or by mail.  Please only submit your appeal using one of the appeal methods.  Multiple submissions for the same schedule will be rejected.

To file via email: Send an email to
To file via USPS mail delivery you MUST use our post office box:
P.O. Box 276
Breckenridge, CO 80424-0276

To file in-person or using an alternate shipping method:
208 E. Lincoln Ave.
Breckenridge, CO 80424

drop-off an appeal : Appeals may be dropped off locally at any of the five ballot boxes located throughout the county at the Old County Courthouse in Breckenridge, the County Commons in Frisco, Dillon Town Hall, Frisco Town Hall, or the North Branch Library in Silverthorne. 
Only a current owner of record or his/her authorized agent is allowed to appeal.

Agents cannot appeal online. All documents must be submitted together at one time, and must include a current Letter of Authorization.

Appeals must be received or postmarked by the statutory deadlines indicated above. We recommend you have proof of timely mailing. If filing online, you must have the current year’s security key, which is provided on the Notice of Valuation.