Pitkin County is dedicated to maintaining the most correct address information for parcels and addressable structures. Incorrect physical addresses not only result in delays by emergency services (fire, ambulance, law enforcement), they impede services provided by; telephone, cable, gas, and electric providers, can add expense, and delays in delivering packages, and confusion for visitors to our community.
If you have questions or concerns about your physical address, need to obtain a new physical address, or change your current physical address please contact your addressing authority.
The municipalities within Pitkin County have addressing authority within their boundaries. Need to look up your municipality? Check out Pitkin Maps & More, our online mapping portal.
For addressing within Unincorporated Pitkin County, use the forms below.
Need to update a mailing address with a county department? Please reach out to the appropriate department directly.
Assessors Office (for property tax mailing updates)
Clerk and Recorder (Motor Vehicle Services, Elections).
Address Signage is required for all addressable structures within Pitkin County. Please see the Signage Quick Reference Document for more information.