External Career Site
Go to the main content section.Welcome. You are not signed in. 

If you have an issue completing your application, please contact assessor.ccaohr@cookcountyil.gov

Phone: (312) 603-5115

 Technical help Beginning of the main content section.

Forgot Your Password? 

Please enter your user name and email address below, click OK, then follow the instructions. If you don’t have an email address, please contact your system administrator for assistance at .  Mandatory fields are marked with an asterisk. 

OUR MISSION

The mission of the Cook County Assessor's Office is to deliver accurate and transparent assessments of all residential and commercial properties. We serve every community in the County through ethical stewardship within the property tax system.

OUR VALUES

Fairness. Transparency. Ethics.