Get down payment assistance in Gahanna OH / Franklin County. First time home buyer Colleen was looking for a Gahanna home for sale in the $350,000.00 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 Gahanna, Ohio lender and real estate team will help you through all the hurdles of making your home purchase.