Latest News
12/01/2022
Treasurer's Office
Cook County property tax analysis: Latino wards see dramatic increases; new state law, reassessments and controversial TIF funds result in higher taxes for most property owners
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11/15/2022
Treasurer's Office
Pappas: Your Cook County property tax bill is online now
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11/10/2022
Treasurer's Office
Pappas: More than 45,000 properties are in Cook County's Tax Sale and 18,000 owe under $1,000
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10/19/2022
Treasurer's Office
New Pappas study: Tax investors exploit Illinois property tax law they shaped to reap millions in profits from Black and Latino communities
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10/05/2022
Treasurer's Office
Pappas: More than 55,000 properties are in Cook County's Tax Sale and 21,000 owe under $1,000
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The Property Tax System
1. PROPERTY TAX BASE
The Assessor assesses all real estate located throughout the County and establishes a fair market value for each property.
2. APPEALS
Appeals are accepted and decisions reached on changes to a property’s assessment, classification, or exemptions.
3. PROPERTY TAX RATES
The Clerk determines the tax rates based on the levy ordinances passed by taxing agencies and applies the rates to the assessments received for the Assessor to determine the amount of property tax owed.
4. BILLING AND PAYMENT
The Treasurer mails out property tax bills and collects the money.
5. FUNDING OF LOCAL TAXING AUTHORITIES
The Treasurer distributes the money to over 2200 local taxing agencies, including the County, cities, schools and special districts.