CitySpire Seen in June 2005 Alternative names CitySpire Center General information Location 150–156 West 56th Street Coordinates 40°45′51″N 73°58′47″W﻿ / ﻿40.76417°N 73.97972°W﻿ / 40.76417; -73.97972Coordinates: 40°45′51″N 73°58′47″W﻿ / ﻿40.76417°N 73.97972°W﻿ / 40.76417; -73.97972 Construction started 1985 Topped-out June 1987 Completed 1990 Owner Tishman Speyer Height Antenna spire 814 ft (248 m) Top floor 75 Technical details Floor count 73 Floor area 830,000 sq ft (77,110 m2) Lifts/elevators 10 Design and construction Architect Murphy/Jahn Developer Ian Bruce Eichner Structural engineer Robert Rosenwasser Associates