CookCountyPropertyTaxPortal
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Property Search

Cook County property owners are able to search for their records online. To begin, they may enter their 14-digit Property Index Number (PIN) or property address.
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Important Notice: This site will be unavailable beginning on Friday, October 6, 2017 at 5:00 PM. The site should be back on by 12:00 PM on Saturday, October 7, 2017 after maintenance has been completed. Thank you for your patience.

Latest News
06/30/2017
Treasurer's Office
Web Payments for Property Taxes Jump 13.2%, Pappas Says
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01/30/2017
Treasurer's Office
Property Tax Bills Due March 1 Show Local Government Debt, Pappas Says
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12/05/2016
Treasurer's Office
Many Cook County Pension Funds Have More Retirees Collecting Than Workers Paying in, Pappas Says
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10/11/2016
Treasurer's Office
Notices for $449.5 Million in Unpaid Taxes Sent to Owners of More Than 136,000 Properties Across Cook County, Pappas Says
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09/19/2016
Treasurer's Office
Pappas Urges 15,865 Owners To Pay Back $56 Million in Sold Taxes to Avoid Losing Homes and Other Property
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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 recieved 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.