A 21-story residential tower, at 310 East 86th Street in Yorkville on Manhattan's Upper East Side. Known as "The Harper", it will primarily contain condo units, which will be offered in two, three, and four-bedroom configurations. It will also feature retail space, and a few tenant amenities, including a fitness center, an art room, a children's playroom, an art room, a music center, and a game lounge. The project site is alternatively addressed as 306 East 86th Street.