Free houseboat plans, and almost free boat building plans the free houseboat plans section is here as a starting point to the world of building a house boat, and the. Houseboat plans can give you a start in planning your houseboat building project. check out these free or low cost houseboat plans. Look for an array of houseboat plans and kits so you can design your own floating home! search for small, multi-purpose houseboat plans and kits at bateau..