Report Erroneous Exemptions

When a property is getting an erroneous exemption you are paying more than your fair share.
You can anonymously report erroneous exemptions at: http://whistleblowing.cookcountyassessor.com/
Please be advised that Calumet is moving up significantly in the schedule.
It was originally estimated for 6/08/2015 and it is now being mailed 3/06/2015.

In addition, please note that LakeView's mailing date has been changed from 03/31/2015 to 04/08/2015
The deadline to file a 2015 Model Home Application, FOR ALL TOWNSHIPS, by statute, is Thursday, April 30th 2015.
article Assessor Berrios Seeks $14 Million for Erroneous Exemptions Taken by Taxpayers
Millions of Dollars Being Distributed to Local Taxing Bodies Today
CHICAGO – Cook County Assessor Joseph Berrios announced today that his office is seeking $14 million for erroneous exemptions taken by taxpayers. This billing was made possible due to a new law that was initiated by Berrios. Read more...


Important Notices

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Office Closure

Notice: The Rolling Meadows branch of the Cook County Assessor’s Office was closed permanently effective as of May 30, 2014. If you need immediate assistance we ask that you visit the Skokie Branch Office or the Downtown Chicago Office.

Tax Bills and Payments

The Cook County Treasurer’s Office mails out tax bills and collects payments.
For a copy of your bill and/or payment information,
please contact the Cook County Treasurer's Office at 312-443-5100
or visit their Web site at www.cookcountytreasurer.com

Report Erroneous Exemptions

When a property is getting an erroneous exemption you are paying more than your fair share.
You can anonymously report erroneous exemptions at
http://whistleblowing.cookcountyassessor.com/