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Property Tax Resources

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Illinois Property Tax Updates

Updated march 2026

Federal Judge Rules Cook County Tax Sale System Unconstitutional

Late last year a federal judge ruled that the tax sale system used by Cook County is unconstitutional, violating both the Fifth Amendment and Eighth Amendment.

Bell v. Pappas, Case No. 1:22-cv-07061 (N.D. Ill.)

Adam W. Becker
Siegel Jennings, CO., LPA
American Property Tax Counsel (APTC)

Updated march 2026

Cook County Computer Issues Continue to Persist

Over $89 million in Cook County property tax refunds are delayed due to ongoing computer system upgrade issues. These refunds affect over 25,000 property owners who have been waiting for their refunds since May 2025.  These same computer system problems have also caused delays in tax bills being sent to property owners.  As a result, the 2025 first installment taxes normally due March 1, 2026, have been pushed back to April 1, 2026.

Property owners that are receiving refunds should ensure that they have applied for the refund and submitted the required documentation.  The Treasurer is also looking for alternative methods to release the funds to the property owners.

This computer upgrade has also halted the issuance of Certificates of Errors at the Cook County Assessor’s Office.  They can be filed, but they will lay stagnant until the computer upgrade has been properly implemented.


Adam W. Becker
Siegel Jennings Co., LPA
American Property Tax Counsel (APTC)

Updated march 2026

Cook County Assessor and Board of Review May Be Set for Change

Pat Hynes won the Democratic primary for Cook County assessor on Tuesday March 17th, defeating incumbent Fritz Kaegi.  Pat Hynes currently serves as Lyons Township Assessor and previously worked as a field inspector for the Cook County Assessor's Office for 23 years, including two years under Kaegi.

Liz Nicholson defeated incumbent Samantha Steel in the March 17 Democratic primary for the Cook County Board of Review’s District 2, which includes much of the North Side and northern suburbs. 

Overall, this is considered positive development for Cook County commercial property taxpayers.  Hynes and Nicholson were both supported by BOMA and other commercial real estate organizations.  

Adam W. Becker
Siegel Jennings Co., LPA
American Property Tax Counsel (APTC)

Georgia Property Tax Updates
Kentucky Property Tax Updates

American Property Tax Counsel

Recent Published Property Tax Articles

The Commercial Property Tax Rebellion

The property tax system in the United States, which traces its roots to colonial America, has long been the life blood of local government finance. Used to fund schools, infrastructure and vital municipal services, it is also a system fraught with controversy and mounting calls for reform.

Over the past...

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How to Achieve Fair Valuation of Renewable Energy Facilities

As renewable energy assets become more prevalent in commercial real estate portfolios – especially among industrial and data center users – property owners face a critical challenge: ensuring that intangible assets are not mistakenly included in the taxable value of real and personal property.

Wind farms, solar installations, battery energy storage...

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Taxing Real Estate On Redevelopment Prospects

When a property's current use isn't highest and best, New Jersey jurisdictions can assess and tax based on hypothetical redevelopment.

It's hard to imagine a more dystopian world than one in which governments base real estate tax upon a hypothetical use other than a property's current and actual use. Unfortunately, taxing...

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