This dark brown brick 14-story apartment building was erected in 1916 and converted to a cooperative in 1989. It has 46 apartments and was designed by Rouse & Goldstone. The building's prime Park Avenue location makes it a neighbor to some of the avenue's most glamorous residences as well as boutiques and department stores along Madison Avenue, art galleries and restaurants, museums and the Lenox Hill Hospital. Amenities at this pet-friendly prewar co-op include a full-time doorman, a new fitness center, private storage, a bike room and laundry facilities.