City of Chicago :: Office of Inspector General

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The Office of Inspector General (OIG) is an independent office dedicated to ensuring honesty and integrity in City government by rooting out corruption, fraud, other misconduct, and waste.

Visit the Inspector General's website

Department Main Office

Office of Inspector General

Phone: 773.478.7799
Toll Free: OIG Tip Line - 866.448.4754
Fax: 773.478.3949
740 N Sedgwick Street
Suite 200
Chicago, IL 60654
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