The law in Illinois requires landlords to give written notice to renters at least 60 days before they plan to sell their property. Yes, a landlord can sell a house with tenants in Illinois.The sale does not terminate the lease, and the new owner must honor the existing lease terms. Unfortunately, on a month to month, a landlord is free as well as you are free to terminate with only 30 day notice to the other at anytime. The simple answer is yes, you can sell a property with a tenant still living in it. We've created a free sample letter you can use (no email optin required) to notify your tenants on your intent to sell the property. Yes, you can sell a rental property with tenants living in it. What are a Tenant's Rights When a Landlord Sells a Property?