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One World Trade Center facts for kids

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One World Trade Center
One World Trade Center cropped2.jpg
Alternative names
  • 1 WTC
  • Freedom Tower (pre-2009)
Record height
Tallest in North America since 2013
Preceded by Willis Tower
General information
Status Complete
  • Office
  • Observation
  • Communication
Architectural style Contemporary modern
Location 285 Fulton Street
Manhattan, New York City, New York, U.S.
Coordinates 40°42′46.8″N 74°0′48.6″W / 40.713000°N 74.013500°W / 40.713000; -74.013500Coordinates: 40°42′46.8″N 74°0′48.6″W / 40.713000°N 74.013500°W / 40.713000; -74.013500
Construction started April 27, 2006
Topped-out May 10, 2013
Opened November 3, 2014
May 29, 2015 (One World Observatory)
Cost US$3.9 billiona
Architectural 1,776 ft (541.3 m)
Tip 1,792 ft (546.2 m)
Roof 1,368 ft (417.0 m)
Top floor 1,268 ft (386.5 m)
Observatory 1,254 ft (382.2 m)
Technical details
Floor count 94 (+5 below ground floors)
Floor area 3,501,274 sq ft (325,279 m2)
Lifts/elevators 73, made by ThyssenKrupp.
Design and construction
  • David Childsb
  • Daniel Libeskind (2002)
Developer Port Authority of New York and New Jersey
Structural engineer WSP Cantor Seinuk
Other designers Hill International, The Louis Berger Group
Main contractor Tishman Construction
a. April 2012 estimate.
b. Skidmore, Owings & Merrill.

The One World Trade Center (also known as One WTC or Freedom Tower) is the main building of the new World Trade Center complex in Lower Manhattan, New York City. The building is 1,776 feet (541 m) tall making it the tallest building in the Americas. Since late 2013, it is the tallest building in the United States. It opened in late 2014. It is mostly used for offices. People can view the city from an observatory near the top.


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