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State rental laws and regulations

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State Laws & Regulations

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Illinois

Published

Nov 07, 2025

Landlords and tenants will face legal issues during the rental process, but not every issue needs to involve the courts. This article will help you learn how the rental laws in Illinois handle everything from security deposits to termination notices so you can navigate these with ease. This article is not intended to be exhaustive or a substitute for qualified legal advice. Illinois rental laws and statutes are always subject to change and may vary by county or city. You are responsible for performing your own research and complying with all Illinois laws applicable to your unique situation.

If you have legal questions or concerns, we recommend consulting with the appropriate government agencies and a qualified lawyer in Illinois. The Illinois state bar association may have a referral service that can help you find a lawyer with experience in Illinois landlord-tenant law.

Official Illinois Rental Rules, Regulations, and Guide

Illinois Rental Details

Security Deposit:

Security Deposit Maximum: No Limit (765 ILCS 710/1)
Deadline for Returning Security Deposit: The landlord must return the security deposit to the tenant within 45 days of the tenant moving out of the unit. The deposit must be delivered in person or via postmarked mail. (765 ILCS 710/1(a))
Nonrefundable Deposits: No statute
Security Deposit Interest: Landlords who own 25 or more units must pay interest on deposits held for 6 months or longer. The interest rate must match the rate paid by savings accounts held at the largest commercial bank in the state as of Dec. 31 prior to the start of tenancy. Earnings from the interest must be credited or paid-out to the tenant every 12 months. (765 ILCS 715/1&2)
Separate Security Deposit Bank Account: No statute
Pet Deposits and Additional Fees: No statute
Advance Notice of Deposit Withholding: No statute
Move-Out Checklist / Itemized List of Damages and Charges: Yes, and the list must be sent to the tenant within 30 days from the day the tenant moved out of the rental unit. (765 ILCS 710/1)
Joint Move-Out Inspection: No statute
Record Keeping of Deposit Withholdings: No statute
Receipt of Deposit: No statute
Failure to Comply: If the landlord fails to return the security deposit within 45 days, the tenant is recover twice the amount owed, plus court costs and “reasonable” attorney fees (765 ILCS 710(c).

Illinois Lease, Rent & Fees:

Rent Increase Notice: No statute
Late Fees: Landlords may charge a “reasonable” late fee, but the actual amount limit varies depending on city.
Returned Check Fees: No statute
Rent Concessions: Landlords must clearly disclose any rent concessions on the lease with the words “Concession Granted,” and failure to do so is a Class A misdemeanor. (765 ILCS 730)
Tenant Allowed to Withhold Rent for Failure to Provide Essential Services (Water, Heat, etc.): Yes (765 ILCS 735)
Tenant Allowed to Repair and Deduct Rent: Yes, but the cost of repairs must not exceed one-half of the rent or $500. (765 ILCS 742)
Landlord Allow to Recover Court and Attorney’s Fees: Yes
Landlord Must Make a Reasonable Attempt to Mitigate Damages to Lessee, including an Attempt to Rerent: Yes (735 ILCS 5/9-213.1)
Screening Fees: Landlords cannot charge an application screening fee if a prospective tenant provides a reusable tenant screening report prepared within the past 30 days that meets legal requirements. (765 ILCS 705/25)

Illinois Notices and Entry:

Notice to Terminate a Lease – Yearly Lease: 60 days (735 ILCS 5/9-205)
Notice to Terminate a Lease – Month-to-Month: 30 days (735 ILCS 5/9-207)
Notice to Terminate a Lease – Week-to-week: 7 days (735 ILCS 5/9-207)
Notice of date/time of Move-Out Inspection: No statute
Eviction Notice for Nonpayment: 5 days to pay or move-out. (735 ILCS 5/9-120(d))
Eviction Notice for Lease Violation: 10 days (735 ILCS 5/9-210)
Required Notice before Entry: No statute
Entry Allowed with Notice for Maintenance and Repairs (non-emergency): Yes (735 ILCS 5/9-102)
Entry Allowed During Tenant’s Extended Absence: No statute
Notice to Tenants for Pesticide Use: No statute
Emergency Entry Allowed without Notice: No statute
Lockouts Allowed: No
Utility Shut-offs Allowed: No

Illinois Disclosures and Miscellaneous Notes:

Landlord must change the locks or keys every time the house is vacated or between tenants (765 ILCS 750/1).
Landlord must provide a formula for dividing up utilities when utilities are split among multiple tenants. (765 ILCS 740 /5)
Landlord must disclose any existence of Radon in any rental unit (420 ILCS 46/25).
Landlords must disclose known lead hazards, follow state mitigation and notice requirements if lead is found, and provide tenants in pre-1978 properties with state-approved lead hazard information before leasing. (410 ILCS 45)
Landlords must supply and install approved smoke detectors as required, ensure batteries work at move-in and provide maintenance info to tenants; violations can result in fines and criminal penalties. (425 ILCS 60)
Landlords must install and maintain carbon monoxide alarms as required, ensure alarms are operational at move-in, and may face criminal penalties for failing to comply or tampering with alarms, except in buildings exempted by the Act. (430 ILCS 135)
Tenant may terminate a lease early in special circumstances involving sexual assault, sexual abuse, or domestic violence. (765 ILCS 750 /5)
Landlords must change the locks if requested by a domestic violence victim. (765 ILCS 750 /20)
Landlords can ask tenants to provide proof of domestic violence status in the form of medical or court records, police reports, or a statement from a victim services or domestic violence organization. (765 ILCS 750)
Landlords must not disclose the status of the domestic violence victim to anyone. (765 ILCS 750 /27)
If property is abandoned, Landlord may harvest and seize crops to reclaim unpaid rent. (735 ILCS 5/9-318)
Landlords are prohibited from taking retaliatory actions, such as eviction, rent increases, or service reductions, against tenants who, in good faith, report code violations, request repairs, or exercise other protected rights under the law. A rebuttable presumption of retaliation applies if the landlord’s conduct occurs within one year of the tenant’s protected activity, unless the landlord can prove a legitimate, non-retaliatory reason for the action. (765 ILCS 721)
As of January 1, 2025, a landlord must provide a flood plain disclosure to tenants in writing prior to signing the lease if that property is located in the Federal Emergency Management Agency (FEMA) special flood hazard area. (765 ILCS 705/25)
Effective January 1, 2026, landlords must attach a state-issued summary of housing protections for victims of domestic and sexual violence to the first page of every residential lease and obtain tenants’ signed acknowledgment of receipt. Landlords who fail to comply may be liable for damages. (765 ILCS 752)

Court Related:

Illinois Small Claims Court
Small Claims Court Limits: $10,000 (source)
Eviction Cases Allowed: Yes (source)

Illinois Business Licenses:

Business License required: No statewide statute, but local cities and counties may have regulations and requirements. Check with your local governing authority.

Helpful Links

Court & Legal Related:

Illinois State Agencies & Regulatory Bodies

Illinois Housing Authorities

Illinois Realtor and Landlord/Tenant Associations

State Rental Laws Neighboring Illinois

Stay Current with Rental Manager Resources

Getting ready to enter Illinois' or Chicago's rental market? Enhance your insights and stay up to date with laws through Rental Manager Resources, including: