Illinois Required Disclosures
6 required disclosuresIllinois law requires landlords to provide certain disclosures — our database tracks 6 for Illinois, each backed by a statute. Timing varies by disclosure (many are due at lease signing; some arise later in the tenancy — each entry below states its own rule). A missing required disclosure can expose the landlord to penalties and may give you leverage.
Educational information: generated from our Illinois law database (last updated 2024-01-01). Not legal advice.
Every disclosure Illinois landlords must provide
Lead Paint
Disclosure of known lead-based paint hazards for housing built before 1978
Legal basis: 42 U.S.C. 4852d
Radon Gas
Disclosure of radon hazards and recommendation for testing
Legal basis: 420 ILCS 46 (Radon Awareness Act)
Utilities
Disclosure if tenant is responsible for utility costs for common areas
Legal basis: 765 ILCS 740 (Rental Property Utility Service Act)
Carbon Monoxide
Carbon monoxide detector requirements must be disclosed
Legal basis: 430 ILCS 135 (Carbon Monoxide Alarm Detector Act)
Rent Concessions
Chicago RLTO: Must disclose any rent concessions affecting renewal rate
Legal basis: Chicago RLTO Section 5-12-170
Foreclosure
Chicago RLTO: Must disclose if property is in foreclosure
Legal basis: Chicago RLTO Section 5-12-100
Frequently asked questions
- What disclosures must a landlord provide in Illinois?
- Illinois requires: Lead Paint (Disclosure of known lead-based paint hazards for housing built before 1978); Radon Gas (Disclosure of radon hazards and recommendation for testing); Utilities (Disclosure if tenant is responsible for utility costs for common areas); Carbon Monoxide (Carbon monoxide detector requirements must be disclosed); Rent Concessions (Chicago RLTO: Must disclose any rent concessions affecting renewal rate); Foreclosure (Chicago RLTO: Must disclose if property is in foreclosure).
- What happens if an Illinois landlord fails to provide a required disclosure?
- Consequences vary by disclosure — from statutory penalties to giving the tenant grounds to challenge related lease terms.
Check Your Lease Against Illinois Law
Not sure whether your lease complies with Illinois law? Upload it and our analyzer flags problem clauses — deposit terms, entry rights, fees and prohibited provisions — using the same statute-backed database this page is generated from.
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More Illinois lease law guides
- Illinois rental lease laws — overview
- Illinois security deposit limit
- Illinois deposit return deadline
- Illinois deposit interest rules
- Illinois landlord entry notice
- Illinois late fee laws
- Illinois rent grace period
- Illinois prohibited lease clauses
Required Disclosures in other states
Educational information generated from state statute data — not legal advice. Consult a licensed attorney in Illinois for your specific situation.