 It is 20 floors tall, and including the basement has 21 total floors.Three sides of the building's exterior are faced with white Vermont marble with black marble spandrel panels beneath the windows of the Courts Tower to emphasize the building's vertical lines.The verticality of the tower section, with its white marble-clad piers and dark spandrels, offers a distinct contrast with the 14-story Administration Tower office section, in which horizontal lines are emphasized.