Illinois Month-to-Month Lease Agreement

An Illinois month-to-month lease agreement is a rental contract between a landlord and a tenant. The agreement establishes the conditions for occupancy, including monthly rent payments, a security deposit, and any property rules. Either party can terminate the agreement with 30 days’ notice.

Last updated September 11th, 2026

An Illinois month-to-month lease agreement is a rental contract between a landlord and a tenant. The agreement establishes the conditions for occupancy, including monthly rent payments, a security deposit, and any property rules. Either party can terminate the agreement with 30 days’ notice.

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Month-to-Month Laws

Termination Notice – Landlords and tenants must each give 30 days’ notice before terminating the lease (35 ILCS 5/9-207(b)). 

Increasing Rent – Illinois has no specific laws on raising rent; however, 30 days is standard. In Chicago, a landlord must notify the tenant 60 days before increasing the rent for tenants who have leased for 6 months to 3 years, and 120 days for tenants who have rented the space for over 3 years (§ MCC 5-12-130(j)(1);(2)l;(3)).

Sample

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