Illinois · IL
Illinois Landlord-Tenant Laws 2026
Security deposit limits, eviction notice requirements, rent increase rules, and every compliance deadline for Illinois landlords. 1,294 cities covered.
Based on Illinois state statutes. Updated August 2026.
Illinois Landlord Law Summary
In Illinois, landlords must return security deposits within 30 days, provide 5-day eviction notice for nonpayment, and do not cap rent increases. No just cause eviction requirement.
Illinois Landlord Rules at a Glance
Key compliance requirements every Illinois landlord must follow.
What Happens If You Violate Illinois Landlord-Tenant Law
Security deposit violation: Tenant may recover up to 2x the deposit plus interest (statewide); Chicago RLTO provides additional penalties.
- Late deposit return: Miss the 30-day deadline and tenants can sue for up to 2x the withheld amount, plus interest.
- Improper eviction notice: Wrong notice period or procedure = case dismissed. You restart from zero and owe additional court costs.
- Illegal entry: Entering without 24-hour notice = harassment claim. Tenants can terminate the lease and sue for damages.
- Fair housing violation: First offense: $16,000+ federal fine. Repeat: $65,000+. Plus actual damages, attorney fees, and potential criminal penalties.
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Deposit deadlines, eviction notice periods, rent cap calculations — monitored automatically across all 1,294 Illinois cities.
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Illinois Landlord-Tenant Statutes
The laws that govern residential rentals in Illinois.
Illinois Landlord and Tenant Act
765 ILCS 705 et seq.
Statewide law governing landlord-tenant relationships, including security deposits with interest requirements.
Illinois Security Deposit Return Act
765 ILCS 710
Requires itemized statements for deductions and return within 30 days.
Chicago Residential Landlord and Tenant Ordinance (RLTO)
Chicago Mun. Code §5-12
Extensive local ordinance with additional tenant protections for Chicago properties, including deposit limits, late fee caps, and mandatory disclosures.
Illinois Landlord Law Topics
Explore detailed rules by topic for any Illinois city.
Security Deposit Laws
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Eviction Process & Notice Requirements
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Rent Increase Laws
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Landlord Entry & Access Rules
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Maintenance & Habitability Standards
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Late Fee Limits
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Lease Termination & Renewal
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Fair Housing Protections
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Tenant Screening Rules
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Required Landlord Disclosures
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Rent Control
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Property Registration Requirements
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Top 10 Illinois Cities — Landlord Law Coverage
The largest Illinois cities by population, with median rent and deposit cap data.
All 1,294 Illinois Cities
Click any city to view its specific landlord-tenant laws, deadlines, and free calculators.
Download Free Illinois Landlord Compliance Checklist
Deposit deadlines, notice requirements, required disclosures — everything in one page.
Get Free ChecklistFrequently Asked Questions — Illinois Landlord Laws
Compliance tracking for your Illinois properties
LeaseBase monitors Illinois landlord-tenant law changes, tracks deadlines, and alerts you before penalties apply — across every city in your portfolio.
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Reviewed by Rachid Abadli
Founder & CEO, LeaseBase · Sacramento landlord · Self-managing since 2019
LeaseBase is a property management platform — not a law firm. Consult an attorney for legal advice specific to your situation.