Assessor Online Appeal

Douglas County Assessor's Office

Assessor Online Appeal

The Appeal Period for Real Property is May 1 through June 1.
The Appeal Period for Personal Property is June 15 through July 5.


Welcome to the Douglas County Assessor's online appeal application. This application may only be used from May 1st through June 1st for appeals of your real property Notice of Value (NOV). In order to file an appeal you will need to provide your Account Number, which is located in the upper left portion of your Notice of Value (NOV). We suggest you read and understand the rules of the appeal process at our main website.

If you experience problems with this form, please contact the Douglas County Assessor's Office at (303) 660-7450.

Return to Assessor's Office home page.

Please contact us at with any questions or comments.