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Illinois Lease Termination Letter

Understanding your rights under Illinois law is crucial when terminating a lease. Below you'll find the key requirements including notice periods, accepted delivery methods, and relevant statutes. Use our free generator to create a letter that's compliant with 735 ILCS 5/9-207.

Data last verified: 2026-06-15

Notice Periods

Tenancy Type Tenant Notice Landlord Notice
Month-to-Month 30 days 30 days
Fixed-Term (End) 30 days 30 days
Early Termination As per lease terms

Key Statute

Accepted Delivery Methods

  • Certified Mail
  • Personal Delivery
  • Posting on Door (if absent)

Recommended: Always use Certified Mail with Return Receipt Requested for proof of delivery.

Security Deposit Return

In Illinois, landlords must return the security deposit within 30 days after the tenant moves out. An itemized statement of any deductions must be provided.

Special Provisions

  • Notice must be given at least 30 days before the end of the rental period (735 ILCS 5/9-207)
  • Chicago tenants have additional protections under the Chicago RLTO (Residential Landlord Tenant Ordinance)
  • Landlord must provide itemized statement of deductions within 30 days (765 ILCS 710/1)

Military Termination (SCRA)

Federal SCRA applies. Illinois Service Member's Civil Relief Act (330 ILCS 61) provides additional state protections.

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Illinois FAQ

How much notice do I need to terminate a lease in Illinois?
For month-to-month tenancies, tenants must provide 30 days written notice. Landlords must provide 30 days notice. This is governed by 735 ILCS 5/9-207.
How do I send a lease termination letter in Illinois?
Accepted delivery methods in Illinois include: Certified Mail, Personal Delivery, Posting on Door (if absent). We strongly recommend Certified Mail with Return Receipt Requested for proof of delivery.
When must my landlord return my security deposit in Illinois?
In Illinois, landlords are required to return the security deposit within 30 days after the tenant vacates, less any lawful deductions with an itemized statement.
Disclaimer: This information is provided for general guidance only and does not constitute legal advice. Laws may change and local ordinances may apply. Always verify current requirements with your state's official statutes or consult a licensed attorney.