Free Illinois Lease Agreement Template

Create an Illinois residential lease, including Chicago RLTO considerations, and download a signable PDF for free.

Free · No signup to download · Signable PDF

Illinois leaves deposit amounts to landlords but regulates how quickly they're returned, and cities like Chicago add significant tenant protections. The generator builds a compliant base lease you can tailor to your municipality.

Illinois rental law at a glance

Security deposit limit

No statewide cap on deposits. Local ordinances such as the Chicago Residential Landlord and Tenant Ordinance (RLTO) add rules.

Deposit return

Landlord must return the deposit within 30 days (45 days if an itemized statement of deductions is provided).

Month-to-month notice

A month-to-month tenancy requires at least 30 days' written notice.

Late fees

Late fees must be reasonable. In Chicago, the RLTO caps them at $10/month for rent up to $500, plus 5% of the amount over $500.

Required Illinois lease disclosures

  • Lead-based paint disclosure (required by federal law for housing built before 1978)
  • Radon disclosure where the landlord is aware of a hazard
  • Shared utility/metering arrangements
  • Chicago RLTO summary and deposit interest (within Chicago)

Build your Illinois lease now

Fill in the parties, rent, and terms — the generator applies Illinois's deposit and notice defaults, then gives you a signable PDF.

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Illinois lease agreement FAQ

Is there a deposit limit in Illinois?

Not statewide. Local ordinances (especially Chicago's RLTO) impose additional rules on deposits and interest.

How long does an Illinois landlord have to return a deposit?

Generally 30 days, or 45 days if providing an itemized statement of deductions (timelines can differ in larger buildings and under local ordinances).

Lease agreements by state

This page and the generated document are provided for general informational purposes and are not legal advice. Illinois landlord-tenant law changes over time and local ordinances may add requirements. Verify current rules or consult a qualified attorney before signing.