Introduction
Whether you are a tenant renting a home or a landlord managing a property in Illinois, understanding the state’s landlord tenant laws in 2026 is essential. These laws protect the rights of both parties and help avoid costly legal disputes. Here is what you need to know.
Security Deposits in Illinois
Illinois law requires landlords to:
- Provide a written receipt for any security deposit collected
- Pay interest on security deposits held for more than 6 months in buildings with 25 or more units
- Return the security deposit within 30 days of the tenant moving out
- Provide an itemized list of any deductions made
Failure to comply can result in the landlord owing the tenant double the deposit amount plus legal fees.
Required Notice Periods in Illinois
- Month to month tenancy — 30 days notice required to end tenancy
- Annual lease — proper notice must be given before lease end date
- Rent increase — landlord must give 30 days written notice before increasing rent
Habitability Standards
Illinois landlords are legally required to maintain rental properties in a habitable condition. This includes:
- Working heating system (essential in Illinois winters)
- Safe electrical and plumbing systems
- Weatherproofing and insulation
- Pest and rodent free environment
- Functioning smoke and carbon monoxide detectors
Tenant Rights in Illinois
Illinois tenants have the right to:
- A safe and habitable living environment
- Privacy — landlords must give reasonable notice before entering
- Protection from illegal eviction
- Return of security deposit with proper accounting
Eviction Process in Illinois
Illinois landlords cannot evict tenants without following the legal process:
- Written notice to vacate (5 days for non-payment of rent)
- Filing an eviction lawsuit in court if tenant does not comply
- Court hearing and judgment
- Sheriff enforced eviction if ordered by court
Self-help evictions such as changing locks or removing belongings are illegal in Illinois.
2026 Updates
Illinois continues to strengthen tenant protections in 2026. Landlords are advised to stay current with local ordinances especially in Chicago which has additional tenant protection laws beyond state requirements.
Conclusion
Understanding Illinois landlord tenant law in 2026 protects everyone involved. At Sohum Realty we stay fully compliant with all Illinois rental laws and help both landlords and tenants navigate the legal landscape confidently.



