The Longworth House Office Building (LHOB) is one of five office buildings used by the United States House of Representatives. The building is located south of the Capitol, bounded by Independence Avenue, New Jersey Avenue, C Street S.E., and South Capitol Street, in southeast Washington. It has a floor area of 599,675 square feet (55,711.6 m2) and has a total of 251 congressional offices and suites, five large committee rooms, seven small committee rooms, a large assembly room in which the House Ways and Means Committee assembles, and a secondary office or headquarters' annex for the Government Accountability Office.