Inheritance Tax Information

By Mail
Governor Pat Quinn signed into law, that as of July 1, 2012, county treasurer's will no longer be collecting inheritance tax payments. You will now make your estate tax checks payable to the Illinois State Treasurer and mail to:
Illinois State Treasurer
Estate Tax Division
400 W. Monroe, Suite 401
Springfield, IL 62704
You may pay in person at:
Illinois State Treasurer                         Illinois State Treasurer
Estate Tax Division                              100 West Randolph Street, Suite 15-600
400 W Monroe, Suite 401                    Chicago, IL 60601
Springfield, IL 62704
Instructions and forms are available on the Illinois Attorney General website.