IL · Security Deposit Law
Security deposit laws in Illinois
45 days; 30 days for itemized statement.
Return deadline
45 days
Itemization required
Yes
Bad-faith multiplier
2×
What to do if your Illinois landlord won't return your deposit
- Confirm the 45-day window has passed since you provided a forwarding address.
- Document the unit's move-out condition with photos and any walk-through notes.
- Send a formal demand letter citing Illinois's deposit return deadline and statutory damages.
- If the landlord ignores your demand, file in small claims court — Illinois allows up to 2x damages for wrongful withholding.
Illinois deposit law FAQs
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This tool helps you create a draft demand letter based on your information. It does not determine your legal rights, guarantee payment, or replace advice from a licensed attorney. You may wish to consult a licensed attorney for guidance specific to your situation.