1 Wall Street is a 654-foot-tall (199 m) Art Deco skyscraper in the Financial District of Lower Manhattan, New York City, United States. The building, which occupies a full city block, consists of two sections. The original 50-story building was designed by Ralph Thomas Walker of the firm Voorhees, Gmelin and Walker and constructed between 1929 and 1931 for Irving Trust, an early-20th-century American bank. A 28-story annex to the south was designed by the successor firm Voorhees, Walker, Smith, Smith & Haines and built between 1963 and 1965.