Appeal Guide

Reminder: The appraisal date for 2015 to 2016 property values is June 30, 2014.  No sales after this date will be used.

To see abatement forms for prior values, please visit: 
Colorado Department of Local Affairs online resource.

  1. Real Property
  2. Personal Property
  3. Taxpayer Rights for Further Appeals
Important Dates
  • May 1 - Notices of Valuation are mailed
  • May 1 - Protest process begins
  • June 1 - Last day to submit protest (postmarked no later than this day)
  • July 1 - Assessor mails a Notice of Determination
Protest Options
Options to protest the value (please choose only 1 of the 3): 
  • By Mail:
    Pitkin County Assessor, 506 E. Main St Suite 202, Aspen, CO  81611
  • In Person:
    Pitkin County Courthouse, 506 E. Main St Suite 202, Aspen, CO
    To speak to an appraiser, arrive between 10 am and 3 pm, Monday through Friday
  • By Fax:  970-920-5174
Agent Authorization
If an agent is appointed to act on behalf of the owner, please submit a signed agent authorization form.