article Latest Updates

Notice regarding "Bed and Breakfast" properties
In February of 2015, the Cook County Assessor began mailing notices to the owners of so-called "Bed and Breakfast" properties in Cook County indicating that such real estate would be re-classified from residential to commercial. Read more...


Cook County Assessor Prevails in Ethics Board Lawsuit
Court Rules in Favor of Assessor and Dismisses Suit
Cook County Assessor Joseph Berrios announced today that his office has prevailed in a lawsuit filed against him by the Cook County Board of Ethics. 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

Click here if you have a question and would like to send us an email   
Click here to receive emails regarding mailing dates, deadlines and assessment information.   

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/