List of largest buildings in the United States
The tables in this article list buildings in the United States by their footprint. Where the footprint is defined to be the edges of the building's foundation. This means that two sections of a building connected by a skyway or other bridging element would be considered separate buildings. Only enclosed sections of buildings are included, so elements such as open-air parking garages or freestanding roofs are not counted. List of largest buildings by footprints. Buildings are included if their footprint is larger than 150,000 square meters List of largest buildings