Appeals must be received or postmarked by 6/10/2024. Late submissions are not accepted. 

Property valuations MUST be appealed by a current owner of record or his/her authorized agent.

Appeals must be in writing. An Appeal Form is provided for your convenience but any of the other methods listed below are also accepted (no form required).

Commercial property owners must file an appeal with the Summit Assessor's Office. You may use this link to schedule a twenty minute consultation with the Assessor's Office representative regarding the 2024 valuation of your commercial property.

Our office experiences a high volume of calls & emails during appeal season. Please help us be more efficient and submit your appeal ONLY ONCE using one of the methods listed below. Multiple submissions for the same schedule will be rejected.

  • To file via USPS mail delivery you MUST use our post office box:
    • P.O. Box 276, Breckenridge, CO 80424-0276
    • We recommend you have proof of timely mailing when sending via USPS
  • To file in-person or using an alternate shipping method:
    • 208 E. Lincoln Ave., Breckenridge, CO 80424
  • To file online, use our e-file Protest application. Please note the e-file application cannot accept attachments. Use the email option if you have attachments.
    • The current year’s security key, provided on the Notice of Valuation, is required to e-file.
    • All documents must be submitted together at one time. Multiple submissions for the same schedule will be rejected.
    • Agents cannot e-file an appeal. All documents must be submitted together at one time, and must include a current Letter of Authorization.
      • Email your appeal to [email protected] if you have attachments. All documents must be submitted together at one time, and must include a current Letter of Authorization if an agent filing on behalf of the property owner.

Did You Know?

In 2023, over 59% of appeals were submitted in the week prior to the deadline. Be unique and file your appeal asap!

In order to reach our NOD mailing deadline, appraisal staff will not be meeting with the public after June 10, 2024.

Important Appeal Dates

June 8* Assessor-level Real Property Appeal Deadline

Each year from May 1 through June 8* property owners may appeal their values to the County Assessor. To preserve your right to object, your appeal must be postmarked, emailed, faxed, online filed, or delivered in person on or before June 8, 2023. 39-5-122(2), C.R.S.

June 30* Personal Property Appeal Deadline

The appeal period for personal property is June 15 through June 30 each year.* Notices of Determination are mailed July 10.*

June 30* Real Property Notices of Determination Mailed

The Assessor must make a decision on your protest and mail a Notice of Determination (NOD) to you by the last regular working day in June. The NOD includes further appeal rights to the CBOE.

July 15* CBOE-level Appeal Deadline

If you disagree with the Assessor's determination, or if you do not receive a Notice of Determination, you must file a written appeal with the County Board of Equalization (CBOE) on or before July 15, 2024.* Personal property appeals to the CBOE must be filed by July 20, 2024.*

*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.