Assessor - Cook County Government, Illinois
MissionThe 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 …
We are Here to Help | Cook County Assessor's Office
Click here to access our advanced search tool, where you can locate your property by address, PIN, or neighborhood.
About the Cook County Assessor's Office
In Cook County, property taxes involve coordination between offices at the county and state level. The CCAO produces fair market values for properties.
Cook County Assessor's Office - Chicago, IL (Address and Phone)
The Cook County Assessor's Office, situated in Chicago, Illinois, is responsible for delivering accurate and transparent assessments of all residential and commercial properties within Cook County.
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Appraisal Associates
For over 80 years, Appraisal Associates has been a leading supplier of real estate counseling and valuation services to corporations, government agencies, lending institutions and individuals …
Cook County, IL Property Tax Information
Important: This site provides access to the Cook County Assessor’s Office property records database. To access the records, you can search by your Property Index Number (PIN) or by Address.
Cook County Treasurer's Office - Chicago, Illinois
Cook County Treasurer's Office - Chicago, Illinois On Monday, January 19, 2026 in observance of Martin Luther King's Birthday, the office located at 118 N Clark Street, Chicago, will be closed to the public.
Search by Address | Cook County Assessor's Office
*Only list the name of your street. Do NOT include designations like place, street, lane or their abbreviations. By email. By phone. On Facebook. In-person.