Features of the Empire State Building
The construction of this Art Deco or Arts Décoratifs style building started in March 1930 and was completed in April 1931, just 410 days after the first steel columns were erected on the footings. The total project cost was $40,948,900, which equals $802,846,288.61 in the current year. The height of the building from the ground to the top floor is 1,250 feet, and to the tip of its crowning mast, it is 1,454 feet.
The building has 102 floors and a balcony atop the top floor. The floor area of each story is 2,248,355 sq ft. There are a total of 73 elevators installed in the building, and they can be used to access the 80th, 86th, and 102nd floors of the building, which are observatories.







