Rent control rules in Cook County, IL — also known as rent stabilization or rent cap ordinances — limit annual rent increases and protect tenants from displacement.
Illinois state law (Rent Control Preemption Act, 50 ILCS 825) prohibits local rent control ordinances statewide. Cook County cannot impose rent control on unincorporated areas. No cap on annual rent increases.
The Illinois Rent Control Preemption Act (50 ILCS 825) prohibits all units of local government, including counties, from enacting rent control ordinances. This means Cook County cannot impose rent control on properties in unincorporated areas. Landlords in unincorporated Cook County may raise rent by any amount with proper notice as required by the lease and Illinois landlord-tenant law. The Cook County Residential Tenant and Landlord Ordinance provides some tenant protections but does not include rent limitations. Illinois requires landlords to provide written notice of rent increases at least 30 days before the increase takes effect for month-to-month tenancies. There have been periodic efforts to repeal the Rent Control Preemption Act at the state level, but it remains in effect.
Rent control is not applicable. Failure to give proper notice of increase: landlord-tenant law remedies. Retaliatory increases: tenant protections may apply.
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