4 Bedroom House Plans are plans that include 4 rooms that have access to a closet and a full or a 3/4 bathroom. The beauty of a ranch-style home is how flexible they are. Ranch plans are single-story homes that can be adapted to any layout or design style. For many, the appeal of building a ranch home means building your dream home once. With all amenities on one floor, ranch plans to age gracefully with their owners.