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MARIA PAPPAS
COOK COUNTY TREASURER
MARIA PAPPAS
COOK COUNTY TREASURER
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Michael Puccinelli
Director of Media & Public Relations • Communications
312.603.3211
mpuccinelli@cookcountytreasurer.com
Erika Maldonado
Hispanic Liaison
312.603.5057
emaldonado@cookcountytreasurer.com
Office of Cook County Treasurer Maria Pappas
118 North Clark Street, Room 212
Chicago, Illinois 60602
312.603.6202
news@cookcountytreasurer.com
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Chicago homeowners facing largest property tax jump in at least 30 years: study
Cook County Treasurer's Office - 11/17/2025
ABC7 Chicago

A computer upgrade caused delays for some property tax bills. Now, the I-Team is looking at a new study that shows Chicago homeowners are facing the largest property tax jump in at least three decades.

Watch the story.

COOK COUNTY TREASURER'S OFFICE
Cook County Treasurer's Office
118 North Clark Street, Room 112
Chicago, Illinois 60602
(312) 443-5100
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Payments
Payment Plan Calculator
Check Your Payment Status or Make an Online Payment
Pay by Mail or in Person
Pay At Chase Bank
Pay At Your Local Community Bank
Get a Copy of Your Tax Bill
Returned Checks
Information about Prior Year Property Taxes
If Taxes Were Sold
Single or Multiple Payments Via ACH
Multiple Payments Via Wire Transfer
Exemptions and Savings
Exemption History Search
Homeowner Exemption
Senior Citizen Homestead Exemption
Senior Citizen Assessment Freeze Exemption
Persons with Disability Exemption
Home Improvement Exemption
Property Tax Relief for Military Personnel
Disabled Veteran Homestead Exemption
First Responder's Surviving Spouse Tax Abatement
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Overpayment Refund Search
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How to Apply for a Property Tax Refund
Uncashed Check Search
Property Tax Appeal Board Decisions
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The Senior Citizen Real Estate Tax Deferral Program
Third-Party Notification
Disabled Veteran Homestead Exemption
Understanding Your Taxes
How the Illinois Property Tax System Works
Cómo Funciona el Sistema de Impuestos a la Propiedad en Illinois
Understanding Your Tax Bill
Get a Copy of Your Tax Bill
About Your Property Index Number (PIN)
Update Your Name or Mailing Address
Monitoring Your Mortgage
Taxing Districts' Financial Statements and Disclosures
Receive Your Tax Bill By Email
Sign In to Your Electronic Billing Account
20-Year Tax Bill History
View Taxing District Debt Attributed to Your Property
Tax and Scavenger Sales
General Information
Search to See If Your Property Has Sold Taxes
Foreign Language Brochures
Foreign Language Brochures
Forms
Update Your Name or Mailing Address
Duplicate or Overpayment Refund
Property Tax Appeal Board Decisions
Certificate of Error Refund
Third Party Notification Request
Property Tax Relief for Military Personnel
Freedom of Information Act (FOIA) Request
The Senior Citizen Real Estate Tax Deferral Program
About the Office
Duties and Responsibilities of the Cook County Treasurer
Maria Pappas, Cook County Treasurer's Biography
Maria Pappas, Cook County Treasurer's Resume
Freedom of Information Requests
State of the Office
Investment Policy
Frequently Asked Questions
News and Press Videos
News and Press Videos
Important Dates
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