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Illinois Landlord-Tenant Law: The Verified Rules (2026)

Every value below cites its statute and shows the date we last checked it. Where we haven't verified a rule yet, we say so — we never guess at the law.

Security deposits

Maximum deposit

Verified

No statewide limit. Some cities (e.g., Chicago) impose their own rules.

Source: 765 ILCS 710 et seq. (no statewide limit) · Last verified June 12, 2026 · Deposit interest tool for Illinois →

Interest on the deposit

Verified

Yes

Source: 765 ILCS 715 (Security Deposit Interest Act) · Last verified June 12, 2026 · Deposit interest tool for Illinois →

Interest rule

Verified

In buildings of 25+ units, deposits held six months or more earn interest at the rate the largest IL commercial bank pays on minimum passbook savings as of Dec 31 (the IDFPR publishes it; the 2026 rate is about 0.01% APY).

Source: 765 ILCS 715 (Security Deposit Interest Act) · Last verified June 12, 2026 · Deposit interest tool for Illinois →

Rent, fees, and notice

Month-to-month termination notice

Verified

30 days

Source: 735 ILCS 5/9-207 · Last verified July 2, 2026

Not yet verified for Illinois: Return deadline, Deadline when deducting, Itemized statement required, Late fee limit, Late fee grace period, Rent increase notice, Entry notice, Required disclosures, Habitability standards, Rent receipt rules. We publish a value only after checking it against the statute — these are in our verification queue rather than guessed at.

The Illinois Landlord Law Cheat Sheet

Everything on this page as a one-page PDF — plus an email when a Illinois rule changes.

One-page PDF of the verified Illinois rules, statutes cited. Instant download.

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Not legal advice. LandlordKit provides general informational tools, not legal advice. Landlord-tenant laws change and vary by city and county. Verify the cited statute and consult a licensed attorney before acting on any result.