Central Park/East Harlem This 870-square-foot condominium is located in a new Robert A.M. Stern building on Fifth Avenue that overlooks the northeast corner of Central Park. The building is home to the Museum for African Art. Building amenities include a 24-hour concierge, a gym, a children’s playroom, a roof deck, and a pool. $855,000. Tom Postillo, CORE, (212) 996-128