50 ILCS 825/5: Rent control prohibited.

(a) A unit of local government, as defined in Section 1 of Article VII of the Illinois Constitution, shall not enact, maintain, or enforce an ordinance or resolution that would have the effect of controlling the amount of rent charged for leasing private residential or commercial property.

(b) This Act does not impair the right of a unit of local government to manage and control residential property in which the unit of local government has a property interest.