State Law Guide · Updated January 2026
Illinois Security Deposit Laws
Under Illinois Security Deposit Return Act (765 ILCS 710), Illinois landlords must return security deposits within 30 days (45 days if deductions) of a tenant moving out. Landlords who wrongfully withhold deposits face penalties of up to Up to 2x the deposit (statewide); additional penalties in Chicago.
Quick Answer
In Illinois, landlords have 30 days (45 days if deductions) to return your security deposit after you move out and provide a forwarding address. The maximum deposit is No statutory limit. If your landlord wrongfully withholds your deposit, you can sue in Small Claims Court (up to $10,000) and may recover Up to 2x the deposit (statewide); additional penalties in Chicago under Illinois Security Deposit Return Act (765 ILCS 710). Landlords must provide an itemized statement of deductions.
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What Illinois Law Requires
Return Deadline
Landlords have exactly 30 days (45 days if deductions) to return your deposit after you move out. If they make deductions, they must provide an itemized statement explaining each charge with documentation.
Penalties for Violations
Landlords who wrongfully withhold deposits face Up to 2x the deposit (statewide); additional penalties in Chicago. You can file in small claims court for amounts up to $10,000without needing an attorney.
Interest Requirements
Required in Chicago (RLTO); 25+ units statewide must pay interest
Common Deductions Landlords Make
Federal guidelines from HUD and the IRS establish "useful life" standards that limit what landlords can charge. Many common deductions are partially or fully invalid under these guidelines.
Carpet Replacement
Typical: $600-2,0005-year useful life per HUD MAP Guide Appendix 5C. Charges may be reduced or invalid based on how long you lived there.
Interior Paint
Typical: $250-9003-year useful life per HUD Handbook 4350.1. Charges may be reduced or invalid based on how long you lived there.
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HUD/IRS Citations
Useful life depreciation built in
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Frequently Asked Questions
How long does an Illinois landlord have to return my deposit?
If no deductions: 30 days. If deducting: 45 days with itemized statement and paid receipts or estimates.
Does my Illinois landlord have to pay interest?
In Chicago, yes—under the RLTO. Statewide, landlords with 25+ units must pay interest. Rate is set by the City Comptroller (Chicago) or by state guidelines.
What are the Chicago RLTO penalties?
Chicago landlords who violate the RLTO may owe 2x the deposit plus interest plus attorney fees. Chicago has some of the strongest tenant protections.
City-Specific Rules
Some Illinois cities have additional tenant protections:
- Chicago: RLTO provides extensive protections: required interest, written receipts, specific notice requirements. Violations = 2x deposit + fees.
- Evanston: Additional tenant protections similar to Chicago.
Official Resources
- Illinois Attorney General(Government)
- Metropolitan Tenants Organization (Chicago)(Legal Aid)
Compare Other States
See how Illinois's security deposit laws compare to nearby states:
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Based on Illinois Security Deposit Return Act (765 ILCS 710) · HUD Handbook 4350.1 · IRS Publication 527