A nd it doesn ’ t stop there ... The three-story , 2,800-square-foot accessory building offers addi living space and amenities . On the top floor , find a large bedroom bathroom with a sauna , and a spacious gym overlooking the ga a bar , and a staff room with a sauna . An additional powder room and living area is located on the main level and the lower level inc two staff bedrooms and one bathroom . The building is attached six-car garage , which includes three car lifts , and another for two