One of several built shortly after World War II on Fifth Avenue in the Upper East Side's Lenox Hill neighborhood, this 21-story co-op residence occupies a prime location just to the south of The Frick Collection, north of major Central Park transverse roads and convenient to Madison Avenue boutiques and art galleries. Built in 1949, the building has corner windows and fabulous views of Central Park and the midtown skyline. Amenities include a new rooftop sun deck and fitness center, a full-time doorman, valet service and basement storage.