520 Fifth will be the second tallest building on Fifth Avenue, second only to ... architectural visions of 1920's New York," said James von Klemperer, KPF president and design principal, in ...

At 520 Fifth Ave., a 1,002-foot tower that topped out ... building,” said Puzio of the building’s development firm, New York-based Rabina. However, the penthouse is only a two-bedroom spread ...

Fifth Avenue will offer over 200,000 square feet of boutique office space designed by Vicky Charles, who has worked with ...

We paid a stupid price but it gives us the whole block, which is amazing,” Extell boss Gary Barnett told The Post.