We are Here to Help | Cook County Assessor's Office
Effective Monday, September 22, 2025, the Cook County Assessor’s Office located inside the Markham Courthouse will be closed for remodeling until further notice.
Assessor - Cook County Government, Illinois
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 …
Cook County Assessor - cookil.org
Challenge your Cook County property value assessment and appeal for tax savings. Use official tools to file exemptions or correct errors.
About the Cook County Assessor's Office
The Cook County Assessor is an elected government official who is responsible for establishing fair and accurate property assessments. Valuation of the county's 1.8 million parcels of property is conducted …
Cook County Property Tax Portal
Dec 3, 2025 · The Cook County Property Tax Portal, created and maintained by the Cook County Treasurer’s Office, consolidates information from the elected officials who take part in the property …
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.
Search by Address | Cook County Assessor's Office
- Select - 2-02: One story residence, any age, up to 999 square feet 2-03: One story residence, any age, 1,000 to 1,800 square feet 2-04: One story residence, any age, 1,801 square feet and over 2-05: …