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.

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   
    Get Directions

I Want To