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Appeal Guide
Reminder: The appraisal date for 2019 to 2020 property values is June 30, 2018. No sales after this date will be used.
To see abatement forms for prior values, visit:
Colorado Department of Local Affairs for an Abatement Petition
To see abatement forms for prior values, visit:
Colorado Department of Local Affairs for an Abatement Petition
Important Dates
- May 1 - Notices of Valuation are mailed
- May 1 - Protest process begins
- June 3 - Last day to submit protest (postmarked no later than this day)
- July 1 - Assessor mails a Notice of Determination
Protest Form
Access the 2020 Protest Form (PDF). We also request clarification on which property is being protested, so include an account number, parcel number, or physical address along with owner's name. To look up your account information, visit our database site.
Protest Options
Options to Protest the Value (please choose only 1 of the 3):
- By Mail:
Pitkin County Assessor
530 E. Main St.
Suite 204
Aspen, CO 81611 - In Person:
Pitkin County Administration Building
530 E. Main St.
Suite 204
Aspen, CO 81611
To speak to an appraiser, arrive between 10 a.m. and 3 p.m., Monday through Friday. - By Fax:
Fax 970-920-5174
Agent Authorization
The Assessor sets the value, not the taxes, thus, only the value can be protested. If an agent is appointed to act on behalf of the owner, please submit a signed Agent Authorization Form (PDF).
Important Dates
- June 14 - Notices of Value are mailed
- June 14 - Protest process begins
- July 1 - Last day to submit protest (postmarked no later than this day)
- July 10 - 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
530 E. Main St.
Suite 204
Aspen, CO 81611 - In Person:
Pitkin County Administration Building
530 E. Main St.
Suite 204
Aspen, CO 81611
To speak to an appraiser, arrive between 10 a.m. and 3 p.m., Monday through Friday. - By Fax:
Fax 970-920-5174
Agent Authorization
The Assessor sets the value, not the taxes, thus, only the value can be protested. If an agent is appointed to act on behalf of the owner, please submit a signed agent authorization form (PDF).
County Board of Equalization (CBOE)
Deadline to file:
- July 15 (Real Property)
- July 22 (Personal Property)
Appeals Decisions
- CBOE will hear appeals from July 1st to August 5th.
- Decisions will be rendered by the close of business on August 5th.
- A written decision will be mailed no later than August 10th.
Notable Contacts
- County Board of Equalization (CBOE), Clerk to the Board of Equalization, Clerk and Recorder’s Office
530 E. Main St.
Aspen, CO 81611
Ph: 970-429-2722
Ph: 970-920-5157 - State Board of Assessment Appeals
1313 Sherman
Room 315
Denver, CO 80203
Ph: 303-866-5880 - District Court Combined Courts
506 E. Main St. Aspen, CO 81611
Ph: 970-925-7635 - Arbitration Board of Equalization
530 E. Main St.
Aspen, CO 81611
Ph: 970-920-5157