Empire State Building In a separate transaction, the land underneath the building was sold to Prudential Insurance for $29 million. Helmsley, Wein, and Malkin quickly started a program of minor improvement projects, including the first-ever full-building facade refurbishment and window-washing in 1962, the installation of new flood lights on the 72nd floor in 1964, and replacement of the manually operated elevators with automatic units in 1966. The little-used western end of the second floor was used as a storage space until 1964, at which point it received escalators to the first floor as part of its conversion into a highly-sought retail area. In
Empire State Building Seven Wonders of the Modern World by the American Society of Civil Engineers. The Empire State Building and its ground-floor interior have been designated as a city landmark by the New York City Landmarks Preservation Commission, and were confirmed as such by the New York City Board of Estimate. It was also designated a National Historic Landmark in 1986, and was ranked number one on the American Institute of Architects' List of America's Favorite Architecture in 2007. The Empire State Building is located on the west side of Fifth Avenue in Manhattan, between 33rd and 34th Streets. The tenants' main