Weekly Leases - Seven days of notice. Monthly Leases - 30 days of notice.If you have a month-to-month lease, your landlord usually has to give you notice at least 30 days before the date they want the lease to end. According to the Ohio TenantLandlord Rental Laws, landlords must return the deposit within 30 days after the lease ends. Give your landlord notice in writing at least 30 days before you want the lease to end. How do I fill this out? Collect the complete legal names of the landlord or property management company and the tenant. Include the current addresses of both parties. The 30-day notice is most commonly used to terminate a month-to-month lease, but it can also be used to change the lease. How to fill out the Ohio 30-Day Notice to Vacate Form?