article Latest Updates

Court Dismisses Challenge to Cook County's Erroneous Exemption Law
Today's court ruling is a win for all Cook County taxpayers
Cook County taxpayers scored a major victory Tuesday morning with the dismissal of a court challenge to the county's new erroneous exemption law. Read more...


Assessor Berrios Seeks $14 Million for Erroneous Exemptions Taken by Taxpayers
Millions of Dollars Being Distributed to Local Taxing Bodies
Assessor Joseph Berrios announced that his office is seeking $14 million for erroneous exemptions taken by taxpayers. Read more...


Model Home Application deadline
The deadline to file a 2015 Model Home Application, FOR ALL TOWNSHIPS, by statute,
is Thursday, April 30th, 2015.


Deadline changes
Please be advised that Calumet was moved up significantly in the schedule. Originally estimated for June 8th, 2015, Calumet was mailed March 6th, 2015.
In addition, please note that LakeView's mailing date was changed from March 31st, 2015 to April 8th, 2015 and Lemont's estimated mailing date was moved up from May 29th, 2015 to March 18th, 2015.

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.

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/