Get down payment assistance in Miamisburg OH / Montgomery County. First time home buyer Sarah was looking for a Miamisburg home for sale in the $100,000.00 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 Miamisburg, Ohio lender and real estate team will help you through all the hurdles of making your home purchase.