State Law Guide · Updated January 2026
Your landlord's deductions may not hold up under state law.
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.
Received deductions from your landlord?
Check if they violate Illinois law
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
Your landlord was required to follow these rules exactly. If they didn't, you may be owed your full deposit back — plus penalties. A generic complaint gets ignored. A letter citing Illinois Security Deposit Return Act (765 ILCS 710) deadlines and HUD depreciation schedules gets results. Upload their deduction letter to find out.
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.
How It Works
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Each deduction checked against Illinois law and HUD guidelines
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Get a Demand Letter That Cites These Laws
Our tool analyzes your landlord's deductions against Illinois Security Deposit Return Act (765 ILCS 710) and federal HUD guidelines, then generates a formal demand letter you can send immediately.
Legal Demand Letter
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HUD/IRS Citations
Useful life depreciation built in
"My landlord never gave an itemized statement within 30 days. In Chicago, that means automatic double damages. Got twice my deposit."
— Chicago, IL
$19 to recover up to $1,400. That's a 73x return.
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.
Have your landlord's deduction letter handy?
How much can I recover in Illinois for a wrongful deposit withholding?
Illinois allows up to 2x the deposit wrongfully withheld statewide under 765 ILCS 710. Chicago tenants under the RLTO can recover 2x the deposit plus interest plus attorney fees. Small Claims Court handles disputes up to $10,000.
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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Average Illinois deposit: $1,400 · Based on Illinois Security Deposit Return Act (765 ILCS 710) · HUD Handbook 4350.1 · IRS Publication 527