Garage with Guest House Above Garage house plan or garage guest house with a small two car garage, entry and laundry room on the ground floor or parking level. Upstairs is a full size bedroom or guest room, a living room and a kitchen. Access to a deck at the back of the house will make a nice grilling deck or an area to relax and enjoy the scenery. This garage design will also make a great getaway home for your favorite vacation spot on the lake. Build a guest house with these building plans call us at 1800-482-0464