Pre-Sale Macon Floorplan with 3 car garage. This home like virtually all Massengill Design-Build homes may have been customized to better meet the buyer's specific needs. It may be slightly or considerably different that the standard floorplan for this model. Massengill Design-Build does allow buyer's to alter structural elements of the home through its pre-sale process. Each home may be different from others of the same floorplan.