Where can I appeal my Cook County property tax assessment? Cook County Assessor Your first opportunity to appeal your property tax assessment would be when ...
http://www.co.cook.il.us/faqs.htm
If you experience difficulties, please call the Cook County Assessor’s Office ... check your "Notice of Proposed Assessed Valuation" or your tax bill. ...
http://www.cookcountyassessor.com/search/
Certificate of Error: a document issued by the Assessor's office that is either certified ... Scavenger Tax Sale: the tax sale conducted by the Cook County ...