Spanning the top floor of a turn-of-the-century building, this incredible penthouse offers a rare opportunity to create and customize a unique Manhattan residence with unparalleled rooftop space. Incorporating approximately 2,800+-square feet of raw space, the flexible floor plan offers a wonderful canvas for creative ingenuity. A private, keyed elevator opens directly into the full-floor residence. The home features 13-foot ceilings and has exceptional light streaming in from 9 windows. The private roof deck offers nearly 2,700-square feet of exceptional outdoor space that can be customized to your preference. A potential floor plan could incorporate a sprawling living/dining entertainment area, 2-3 bedrooms, including a master suite with sitting room and a gourmet kitchen. Located in the highly desirable Union Square neighborhood, this building has undergone a full landmark faade restoration, as well as a newly renovated lobby.