Synopsis As Introduced Amends the Counties Code and the Illinois Municipal Code. Provides that the county board or corporate authority of any non-home rule county or municipality may adopt a crime free rental housing ordinance for the purpose of reducing crime in residential areas. The ordinance may include, but is not limited to, requirements for property owners to obtain a valid residential rental license, submit to a public safety and crime prevention inspection, attend a crime safety and prevention training program, include an addendum in rental agreements regarding criminal behavior by the tenant, conduct background checks on prospective tenants, and submit to periodic inspections of the rental property. Provides that the ordinance may also include provisions for violations of the ordinance. Prohibits waiver or modification of the lease agreement to avoid provisions in the ordinance. Further provides that any ordinance enacted does not apply to any facility licensed or inspected by the State of Illinois or the federal government, with the exception of mobile home parks. Effective immediately.