Illinois 120 Day Notice to Vacate

Last Updated: December 27, 2022 by Marnie Snyder

An Illinois 120 Day Notice to Vacate is most commonly used in Chicago as a legal letter to terminate a tenancy of over three (3) years or as notice of non-renewal of the lease. The letter shall be served at least one hundred and twenty (120) calendar days before the termination date.

When to Use an Illinois 120 Day Notice to Vacate

A 120 Day Notice to Vacate is most commonly used by either party to terminate a tenancy over three (3) years in length in Chicago. This letter may also be used as a notice of non-renewal of the lease. Either party may provide the lease termination letter at least one hundred and twenty (120) calendar days prior to the end date specified in the notice or before the expiration of the lease.

How to Write an Illinois 120 Day Notice to Vacate

For a lease termination notice to be legally compliant:

  1. State who the legal letter is addressed to (use full name of the receiving party).
  2. Include the termination date of the lease or tenancy.
  3. Fill in the full address of the rental premises.
  4. For tenants, provide your new address and an updated phone number.
  5. Sign the notice and print your name.
  6. For landlords, include contact information, such as address and phone number.
  7. Complete the certificate of service by indicating the date and method of notice delivery along with printed name and signature.

Without this information on the lease termination notice, a judge may not be able to proceed with legal action.

How to Serve an Illinois 120 Day Notice to Vacate

A landlord or tenant can deliver lease termination notices in Illinois using any of the below acceptable methods:

  1. Handing the notice to the receiving party in person;
  2. Handing the notice to a person at the premises who can accept the legal letter on behalf of the tenant;
  3. Mailing the notice by certified or registered mail with a return receipt.

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