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Illinois Landlord-Tenant Laws

A summary of Illinois rules for security deposits, entry notice, late fees, rent increases, and required disclosures.

This is a general summary for informational purposes, not legal advice. Laws change and local ordinances can add requirements beyond state law — verify current rules with your state's official statutes or an attorney before relying on this for an actual tenancy.

Security deposit limitNo statewide deposit limit; local rules may apply
Interest on deposit requiredYes for certain buildings/localities; Chicago/Evanston/local rules may apply
Deposit return deadline45 statewide for itemized deductions in many cases; local rules may be stricter days
Entry notice requiredNo statewide statute; Chicago 48 hours
Late fee limitLate fee limits apply under state law for certain leases; local rules may be stricter
Late fee grace periodNone statewide
Rent increase notice30 unless local/lease rules differ
Eviction notice period5

Required disclosures in Illinois

  • • Federal lead-based paint
  • • radon disclosure
  • • utility cost disclosure where applicable
  • • Chicago RLTO disclosures where applicable

Sources

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