Domu's free Chicago apartment lease form will help you simplify the leasing process. The summary must be attached to each written lease agreement and lease renewal, and must be given to the tenant when there is an oral rental agreement.This lease is date sensitive and is up to date with local, county and state law for 2024. Do not use for subsequent calendar years. An Illinois residential lease agreement (Chicago only) is a rental contract between a landlord who rents a residence to a paying tenant. View the Chicago Residential Apartment Lease Agreement Form in our collection of PDFs. Sign, print, and download this PDF at PrintFriendly. This lease form is intended for properties to which the Chicago Residential Landlord and Tenant Ordinance is applicable. We strongly recommend that you seek professional legal counsel when crafting your lease agreement. An Illinois monthtomonth lease agreement is a residential rental contract between a landlord and a tenant that renews monthly.