Clark Craft, Bateau and BoatDesigns.com are examples of companies that sell construction plans for small house boats. Each website has different options for sizes and styles of house boats.
Clark Craft sells construction plans for 18, 20 and 22 foot house boats. These boats are designed to fit on most trailers. Builders have the option of building with steel, plywood or fiberglass. The construction plans are for one style of boat that can be built in varying sizes. This boat features a four berth living saloon and a sun deck, and it can travel up to 35 MPH.
Bateau offers construction plans for several different styles of houseboats. These houseboats range from 16 to 23 feet. Bateau provides full technical support with the purchase of any boat plan and building kit. This company has been selling boat construction plans since 1986.
BoatDesigns.com small houseboat plan sizes start at 16 feet. Construction plans for cabins that can fit on boats ranging from 20 to 28 feet are sold on BoatDesigns.com. This website sells marine construction designs by Glen-L, a company that has been helping amateurs build boats since the early 1950's. BoatDesigns.com also sells inboard hardware, boat trailer building plans and RV plans.