Pontoon house boats are the best, with plans, video, tips, ideas on building your own pontoon houseboat, faq’s…. This category includes houseboats and pontoon boats from 16′ to 45′ that you can build. building your own is easier than you may think. about our plans & kits. Our boat trailer plans feature the most modern, up-to-date, and technologically advanced features available to give you a boat trailer that’s equal or superior.