How much down payment is required? No down payment is typically required.Lenders in Ohio generally require a minimum credit score of 620 to 640 for conventional rental property loans. There are ways for qualified borrowers to get a mortgage with a small down payment, or even no down payment at all. Here's a look at some mortgage options. Ohio Free Rent-to-Own Agreement. Leverage our Rent-to-Own Agreement to rent your property to a tenant with the option to purchase it in the future. Complete housing counseling. New homes are getting added all the time. Added to primary mortgage.