PR-F-0236 · 0 developments · 0 at V0

Extell Development Company

Developer · Active

Gary Barnett's house, and the authors of Billionaires' Row on 57th Street: One57 and Central Park Tower, the tallest residential building in the world by roof height. The firm that made an apartment in the air a global trophy.

Group · Master developer and estate owner

A firm enters this register by having built, designed or operated something the register holds — never from a list. Three records or more nominates it to the Library; below that it stays here.

Sources

• Entered from the American, Chinese, London or Riviera surveys of September 2026
• no external URL in the source