The landmarked structure is offering one, two and three-bedroom homes on its five existing floors and has received permission to build an additional two floors of penthouse residences. Ranging in size from nearly 1,000 square feet to over 5,000 square feet for the largest penthouse units, which will also come with a 2,500-square-foot outdoor terrace. Prices range from approximately $1 million to $7 million. Occupancy is slated for September 2006