Buying a home in Marengo OH / Morrow County with down payment assistance. First time home buyer David was looking for a Marengo home for sale in the $500,000.00 price range. With a tight housing market, low inventory and competition from other buyers it is more important than ever to work with a real estate and lender team that understands the local market and current down payment programs. Your Marengo, Ohio lender and real estate team will help you through all the hurdles of making your home purchase.