Illinois security deposit law
Return deadline
45 days
Return within 45 days; itemized statement for deductions within 30 days (Security Deposit Return Act, 5+ unit buildings). Chicago’s RLTO is stricter.
Small claims limit
$10,000
What you need to know
- • In 5+ unit buildings: itemized deductions within 30 days, refund within 45 days.
- • Chicago renters get stronger protections under the RLTO, including interest on deposits.
- • Bad-faith withholding exposes the landlord to double the deposit plus attorney’s fees.
Itemization: Itemized statement with estimated or actual costs within 30 days if deducting.
Interest: Buildings with 25+ units: interest required on deposits held over 6 months.
Deposit cap: No statewide cap (Chicago RLTO differs).
If they wrongfully withhold: Bad-faith withholding: 2x the deposit + attorney’s fees.
Statute: 765 ILCS 710
This is general information, not legal advice. Laws change and details vary by city and situation — verify current law or consult a local attorney or tenant’s rights organization before acting.