New York micro home300 square feet Average home2,500 sq. ft. Former Spelling Manor, Los Angeles61,000 sq. ft. Lorena Iñiguez Elebee / Los Angeles Times (All figures are approximate) The White House is slightly smaller at about55,000 sq. ft. Habitable40,000 sq. ft. Habitable56,000 sq. ft. 14-vehicle carport5,000 sq. ft. Underground parking, storage20,000 sq. ft. Chateau des Fleurs, Los Angeles60,000 sq. ft.