Illinois Lease Agreement
An Illinois rental lease agreement establishes a legally binding contract between landlords and tenants. This comprehensive document outlines rental terms, payment obligations, property rules, and the rights of both parties. The agreement protects landlord investments while ensuring tenants understand their responsibilities throughout the tenancy.
Understanding Illinois Lease Agreement Requirements
State Legal Framework
Illinois landlord tenant law provides the foundation for all residential rental agreements in the state. The Illinois Compiled Statutes (765 ILCS 705-750) establish rights and responsibilities for both parties. Illinois provides moderate tenant protections at the state level, but Chicago and some other municipalities have enacted significantly stronger local ordinances. Landlords must comply with both state law and applicable local regulations. The Illinois rental lease agreement becomes enforceable when both parties sign the document, creating mutual obligations that govern the entire landlord-tenant relationship under Illinois landlord-tenant statutes and local ordinances.
Written Agreement Standards
Illinois does not legally require written lease agreements for tenancies under one year. However, creating a written residential lease agreement Illinois landlords can reference provides clear documentation and legal protection. Written agreements prevent disputes by establishing explicit terms both parties acknowledge and accept.
Essential Elements of an Illinois Lease Agreement
Parties and Property Identification
Complete Party Information Every Illinois lease agreement template should identify all parties involved in the rental arrangement. Required information includes:
- Full legal names of all landlords or property managers
- Full legal names of all adult tenants
- Complete property address including unit numbers
- Legal property description when applicable
Accurate identification prevents confusion about who holds rights and responsibilities under the agreement.
Lease Term and Duration
Fixed-Term Agreements Fixed-term leases establish specific start and end dates for tenancies. Most Illinois rental contracts run for 12-month periods, though landlords can create agreements for any duration. Fixed-term leases provide stability for both parties and establish clear expectations about tenancy length.
Month-to-Month Arrangements Month-to-month rental agreements offer flexibility for landlords and tenants who prefer shorter commitments. These arrangements automatically renew each month until either party provides proper termination notice. Illinois requires 30 days written notice to terminate month-to-month tenancies.
Rent Payment Terms
Payment Obligations Illinois lease agreements must clearly state rent payment requirements including:
- Monthly rent amount
- Payment due date
- Accepted payment methods
- Where tenants should submit payments
- Grace period provisions
Illinois law provides tenants a five-day grace period before landlords can charge late fees for rent due on the first of the month.
Late Fee Provisions Illinois limits late fees to $20 or 20% of the monthly rent, whichever is greater, for the first $500 of rent. For rent amounts exceeding $500, landlords can charge $20 for the first $500 plus 5% of the amount over $500. Late fee policies should appear clearly in the rental agreement Illinois tenants receive.
Security Deposit Requirements in Illinois
Deposit Limits and Handling
No Statewide Cap Illinois does not impose a statewide limit on security deposit amounts. Landlords can request deposits based on property value, rental rates, and risk assessment. However, some local ordinances, particularly in Chicago, impose deposit limits.
Interest Requirements Illinois requires landlords holding security deposits for properties with 25 or more units to pay interest on deposits held for more than six months. Interest must be paid annually and must meet minimum rates established by the Illinois State Treasurer. Smaller landlords are exempt from interest requirements.
Separate Account Requirements Landlords with 25 or more units must hold security deposits in federally insured interest-bearing accounts in Illinois financial institutions. Landlords must provide tenants with the bank name and address within 14 days of receiving the deposit.
Return Procedures
30-Day Timeline Illinois landlords must return security deposits within 30 days after tenants vacate if no deductions are claimed. When landlords intend to make deductions, they must provide an itemized statement within 30 days and return any remaining balance within 45 days.
Allowable Deductions Landlords can deduct from security deposits for:
- Unpaid rent
- Damage beyond normal wear and tear
- Cleaning costs to restore property to move-in condition
- Utility charges owed by tenant
- Costs resulting from lease violations
Providing itemized deduction statements with remaining deposit balances prevents tenant disputes.
Wrongful Withholding Penalties
Illinois imposes penalties on landlords who wrongfully withhold security deposits. Landlords who fail to comply with return timelines or provide proper itemization may be liable for two times the security deposit amount plus attorney fees. Chicago has additional penalties for violations.
Required Disclosures for Illinois Rental Agreements
Lead-Based Paint Disclosure
Federal law mandates lead-based paint disclosures for all rental properties built before 1978. Illinois landlords must provide:
- Written disclosure of known lead-based paint presence
- EPA pamphlet “Protect Your Family from Lead in Your Home”
- Ten-day opportunity for lead inspection
- Signed acknowledgment of disclosure receipt
Failure to provide proper lead disclosures exposes landlords to significant federal penalties.
Radon Disclosure
Illinois requires landlords to disclose radon hazard information. Landlords must provide:
- Written disclosure about radon risks
- Information from the Illinois Emergency Management Agency pamphlet on radon
- Any known radon test results for the property
This disclosure must be provided before lease signing.
Carbon Monoxide Detector Disclosure
Illinois requires landlords to install carbon monoxide detectors in rental properties. Landlords must:
- Install and maintain working carbon monoxide detectors
- Disclose the presence and location of detectors
- Provide information about tenant responsibilities for testing
Utility Disclosure
Illinois requires landlords to disclose utility payment arrangements. If any utilities serving the rental unit also serve other areas, landlords must disclose:
- Which utilities are shared
- How utility costs are allocated
- Estimated costs for shared utilities
Concession Disclosure
Illinois requires landlords to disclose any concessions offered. If landlords offer reduced rent, free rent periods, or other incentives, these must be disclosed in writing to prospective tenants.
Owner Information Disclosure
Illinois requires landlords to disclose:
- Name and address of the property owner
- Name and address of the property manager or agent
- Person authorized to receive notices and legal process
This information must be provided in the lease agreement or separately at lease signing.
Landlord and Tenant Rights Under Illinois Law
Landlord Obligations
Warranty of Habitability Illinois imposes implied warranty of habitability requirements. Landlords must maintain rental properties with:
- Compliance with building and housing codes
- Functional plumbing and hot water
- Working heating facilities
- Safe electrical systems
- Weather-tight windows and doors
- Clean and sanitary common areas
- Proper garbage removal facilities
- Working smoke detectors and carbon monoxide detectors
- Extermination of pest infestations
- Secure locks on doors and windows
- Structural integrity
Landlords must complete repairs within a reasonable time after receiving notice from tenants. Illinois allows tenants various remedies including repair-and-deduct for habitability violations.
Property Access Rights Illinois requires landlords to provide reasonable notice before entering rental properties. While state law does not specify exact timeframes, 24 hours advance notice is standard practice. Entry must occur at reasonable times for legitimate purposes. Some local ordinances, including Chicago, specify notice requirements.
Tenant Responsibilities
Property Care Standards Tenants must maintain rental units according to Illinois statutory requirements including:
- Keeping the property clean and sanitary
- Using electrical, plumbing, and heating systems properly
- Avoiding property damage beyond normal wear
- Following all lease provisions and rules
- Properly disposing of garbage
- Not disturbing neighbors
- Allowing reasonable landlord access with proper notice
- Maintaining smoke and carbon monoxide detectors
- Complying with building and housing codes
Lease Termination and Eviction Procedures
Voluntary Termination
Notice Requirements Illinois termination notice requirements depend on lease type:
- Fixed-term leases end automatically on specified dates
- Month-to-month tenancies require 30 days written notice
- Week-to-week tenancies require 7 days written notice
Including clear termination procedures in lease agreements prevents misunderstandings about proper notice protocols.
Eviction Processes
Illinois uses forcible entry and detainer proceedings for evictions.
Nonpayment of Rent Illinois landlords can begin eviction proceedings when tenants fail to pay rent. The process requires:
- Five-day notice to pay rent or vacate
- Filing forcible entry and detainer action if tenant fails to comply
- Court hearing and judgment
- Order of possession for physical removal
Lease Violations Landlords can pursue eviction for material lease violations. Illinois requires:
- Ten-day notice to cure for correctable violations
- If violation is not cured, filing court action
- Court proceedings and judgment
Notice to Terminate Tenancy For terminating a tenancy without cause at lease end or for month-to-month tenancies:
- 30-day notice for tenancies under one year
- 60-day notice for tenancies over one year
Retaliatory Eviction Protections
Illinois prohibits retaliatory evictions. Landlords cannot evict tenants for:
- Complaining about code violations
- Reporting landlord misconduct to authorities
- Joining tenant organizations
- Exercising legal rights
Retaliatory actions within one year of protected activity may be presumed retaliatory.
Creating an Effective Illinois Lease Agreement
Documentation Best Practices
Comprehensive Terms Strong Illinois lease agreements include provisions addressing:
- Pet policies and deposits
- Guest and occupancy limits
- Maintenance responsibilities
- Utility payment assignments
- Parking and storage rules
- Noise and conduct standards
- Renewal and termination procedures
- Snow removal responsibilities
- Smoke-free building policies
- Entry notice procedures
- Security deposit interest payment procedures
Professional Templates Using an Illinois lease agreement template ensures contracts include all legally required elements. Given varying local requirements, landlords should verify compliance with applicable municipal ordinances.
Tenant Screening Integration
Application Procedures Thorough tenant screening before lease signing helps landlords select reliable tenants. Screening should include:
- Credit history review
- Employment and income verification
- Rental history and references
- Background checks where permitted
Illinois prohibits discrimination based on source of income. Some municipalities have additional fair housing protections. Documenting screening criteria and applying standards consistently protects landlords from discrimination claims.
Illinois-Specific Considerations
Chicago Residential Landlord and Tenant Ordinance (RLTO)
Chicago has comprehensive rental regulations exceeding state requirements:
- Security deposit limits based on unit count
- Specific interest rates on deposits
- Required disclosures and attachments
- Tenant remedy provisions
- Strict penalties for violations
- Move-in/move-out checklist requirements
- Additional notice requirements
Chicago landlords must provide the Chicago RLTO summary to tenants. Non-compliance can result in significant penalties including lease termination rights for tenants.
Cook County Residential Tenant and Landlord Ordinance
Cook County (outside Chicago) has adopted tenant protections including:
- Just cause eviction requirements
- Limitations on security deposits
- Notice requirements for rent increases
- Tenant screening limitations
Landlords in Cook County must understand these additional requirements.
Other Municipal Ordinances
Several Illinois municipalities have local rental regulations:
- Evanston tenant protections
- Oak Park rental requirements
- Champaign-Urbana regulations
- Other college town ordinances
Landlords should verify local requirements in their specific municipalities.
Rent Control Prohibition
Illinois state law prohibits local rent control ordinances. However, recent legislation has modified this prohibition, and some local tenant protections have been enacted. Landlords should monitor legislative developments.
Winter Heating Requirements
Illinois landlords must provide adequate heating during winter months:
- Minimum temperature requirements (typically 68°F during day, 66°F at night)
- Heating season typically October 1 through May 1
- Prompt repair of heating system failures
- No utility shutoffs during extreme cold
Snow Removal Obligations
Illinois lease agreements should address snow and ice removal:
- Landlord responsibilities for common areas
- Tenant responsibilities for individual entrances
- Liability provisions
- Timing requirements
Bed Bug Disclosure and Treatment
Illinois requires landlords to:
- Disclose known bed bug infestations
- Provide bed bug information to tenants
- Treat infestations promptly
- Not rent units with known active infestations
Foreclosure Protections
Illinois provides tenant protections during foreclosure:
- Right to remain for lease term in some circumstances
- Notice requirements before vacating
- Security deposit handling during foreclosure
Security Deposit
| TOPIC | RULE |
| Security Deposit Maximum: | No state-wide statute. |
| Security Deposit Interest: | If a landlord owns 25 or more units in a single building or complex of buildings on a contiguous parcel they must pay interest to the lessee. Local ordinances may differ. 765 ILCS 715/1 |
| Separate Security Deposit Bank Account: | No state-wide statute. However, local ordinances, like in Chicago, may have specific requirements. |
| Non-refundable fees: | No statute |
| Pet Deposits and Additional Fees: | No statute |
| Deadline for Returning Security Deposit: | 30 days 765 ILCS 710/1(a) |
| Permitted Uses of the Deposit: | No specific statute but typically can be used for rent, damages, repairs, etc. |
| Security Deposit can be Withheld: | Yes 765 ILCS 710/1(a) |
| Require Written Description/Itemized List of Damages and Charges: | Yes 765 ILCS 710/1(a) |
| Receipt of Security Deposit: | No statute |
| Record Keeping of Deposit Withholdings: | Yes 765 ILCS 710/1(a) |
| Failure to Comply: | If a landlord fails to provide an itemized list, receipts, invoices etc for withholdings they may be liable for up to 2x the amount of the security deposit + attorney’s fees and court costs. 765 ILCS 710/1(c) |
Lease, Rent & Fees:
| TOPIC | RULE |
| Rent is Due: | No statute. Usually it’s due at the beginning of each month, or week depending on the type of agreement. |
| Payment Methods: | No statute. If there’s a specific method the landlord requires it should be outlined in the agreement. |
| Rent Increase Notice: | No state-wide statute. Cities may have specific regulations in this regard. Usually a 30-day notice is required. |
| Late Fees: | $20 or 20% of the rent amount, whichever is greater, provided that it was stated in the agreement beforehand. 770 ILCS 95/7.10(c) |
| Application Fees: | The landlord may not charge an application fee if the tenant provides a reusable screening report that meets certain criteria. 765 ILCS 705/25(b) Text of Section from P.A. 103-840 |
| Prepaid Rent: | No specific statute. Refer to the security deposit rules outlined in 765 ILCS 710/1. |
| Returned Check Fees: | $25, or all costs & expenses plus attorney’s fees. 810 ILCS 5/3-806 |
| Tenant Allowed to Withhold Rent for Failure to Provide Essential Services (Water, Heat, etc.): | No statute |
| Tenant Allowed to Repair and Deduct Rent: | Yes 765 ILCS 742/5 |
| Self-Help Evictions: | No state-wide statute. Usually it’s not allowed and the landlord may be liable. |
| Landlord Allowed to Recover Court and Attorney’s Fees: | No state-wide statute. However, there may be specifications in the lease agreement. |
| Landlord Must Make a Reasonable Attempt to Mitigate Damages to Lessee, including an Attempt to Re-rent: | Yes 735 ILCS 5/9-213.1 |
Notices and Entry:
| TOPIC | RULE |
| Notice to Terminate Tenancy: | 60-day notice required. 735 ILCS 5/9-205 |
| Notice to Terminate a Periodic Lease – Week-to-week: | 7-day notice required. 735 ILCS 5/9-207(a) |
| Notice to Terminate a Periodic Lease – Month-to-Month: | 30-day notice required. 735 ILCS 5/9-207(b) |
| Notice to Terminate Lease due to Sale of Property: | 90-day notice required. 735 ILCS 5/9-207.5 |
| Notice of date/time of Move-Out Inspection: | No statute. Local ordinances may vary |
| Notice of Termination for Nonpayment: | 5-day notice to remedy or quit 735 ILCS 5/9-209 |
| Notice for Lease Violation: | 10-day notice 735 ILCS 5/9-210 |
| Required Notice before Entry: | No state-wide statute. However, local ordinances may vary. Common practice is giving 24-48 hour notice. |
| Entry Allowed with Notice for Maintenance and Repairs: | No statute. Local ordinances may vary |
| Emergency Entry Allowed without Notice: | No statute. Local ordinances may vary |
| Entry Allowed During Tenant’s Extended Absence: | No statute. Local ordinances may vary |
| Entry Allowed with Notice for Showing the Property: | No statute. Local ordinances may vary |
| Notice to Tenants for Pesticide Use: | No statute. |
| Lockouts Allowed: | No statute. Local ordinances may vary |
| Utility Shut-offs Allowed: | Not allowed unless it’s a temporary shut off in case of an emergency. 765 ILCS 735/1.4 |
| Electronic Notices Allowed: | No statute |
Disclosures
- Name and Addresses: Must disclose property owner or manager information. (765 ILCS 710/1.2)
- Copy of the Lease: Required for written agreements. (Best practice)
- Domestic Violence Situations: Tenants may break lease with protective order. (765 ILCS 750/15)
Duties
Landlord’s Duties
- Compliance: Must comply with health and safety codes. (765 ILCS 735/1.1)
- Repairs: Required to keep property habitable. (765 ILCS 735/1.1)
- Common Areas: Maintain safety and cleanliness. (765 ILCS 735/1.1)
- Maintenance: Ensure all systems function properly. (765 ILCS 735/1.1)
- Garbage: Provide waste facilities. (Chicago Municipal Code 5-12-070 if applicable)
Tenant’s Duties
- Cleanliness: Maintain cleanliness. (765 ILCS 735/1.2)
- Trash: Dispose of properly. (765 ILCS 735/1.2)
- Plumbing: Keep fixtures clean. (765 ILCS 735/1.2)
- Appliances: Use responsibly. (765 ILCS 735/1.2)
- Damage: Must not damage property. (765 ILCS 735/1.2)
- Quiet Enjoyment: Must not disturb neighbors. (765 ILCS 735/1.2)
- Subleasing: Depends on lease terms. (Best practice)
- Retaliation: Prohibited. (765 ILCS 720)
- Lead Disclosure: Federal requirement.
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Protecting Your Illinois Rental Investment
A well-drafted Illinois rental lease agreement forms the foundation of successful property management. Given the variation between state requirements and local ordinances, particularly in Chicago and Cook County, comprehensive documentation becomes essential. Clear terms, defined responsibilities, and regulatory compliance protect both landlord and tenant interests.
RocketRent provides Illinois lease agreement templates designed to meet state and local requirements while protecting landlord investments. Our platform streamlines property management with integrated tools for lease creation, rent collection, and tenant screening. Create your Illinois rental lease agreement today and manage your properties with confidence.
Illinois Lease Agreement PDF
FAQs
Illinois does not legally require written lease agreements for tenancies under one year. However, written agreements provide essential documentation and legal protection for both landlords and tenants.
Illinois does not impose a statewide limit on security deposit amounts. However, some local ordinances, particularly in Chicago, limit deposits. Landlords with 25+ units must pay interest on deposits held over six months.
Illinois landlords must return security deposits within 30 days if no deductions are claimed, or provide an itemized statement within 30 days and return any balance within 45 days.
Illinois requires 30 days written notice from either party to terminate a month-to-month rental agreement. Longer tenancies may require 60 days notice.
Illinois requires landlords to provide reasonable advance notice before entering rental properties, typically 24 hours. Entry must occur at reasonable times except for emergencies. Chicago requires at least two days notice.
Illinois requires landlords to disclose radon information, carbon monoxide detector presence, utility arrangements, owner identification, and any concessions offered. Properties built before 1978 require federal lead-based paint disclosures.
Illinois landlords must provide a 5-day notice to pay rent or vacate before filing eviction proceedings for nonpayment. Tenants can avoid eviction by paying all owed amounts within this period.



















