A Unique Upper West Side Penthouse Teeming with Terraces Asks $22.5M

Nearly two years after acclaimed architect Cary Tamarkin of Tamarkin Co. transformed a landmarked Beaux-Arts Catholic school into an arresting and unusual condominium, the building’s crown jewel has come on the market asking $22.5 million. A one-of-a-kind home known as the Terrace Penthouse, the duplex sits atop 555 West End Avenue on the Upper West Side and takes its name from an incomparably extensive swath of outdoor space. Boasting a sprawling wraparound terrace and a private full-floor rooftop, among other amenities, the Terrace Penthouse blends indoor and outdoor spaces like few other properties in Manhattan.

In a rare imbalance for the borough, the majority of the Terrace Penthouse’s over 5,000-square-foot floorplan lies outdoors. The 2,800 square feet of exterior space is spread between the two terraces, with a striking staircase connecting the two levels. Elegant French doors framed in industrial steel open from the home’s great room to the fresh air, ensuring enjoyment of city views from inside.

That great room, with its double-sided, marble-wrapped gas fireplace, is just one of the many sleek spaces that comprise the penthouse’s 2,200 square feet of interior space. The 4-bedroom, 4.5-bath residence masterfully marries modernity with a feeling of history as it spans the original landmarked building and the one-story addition.