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4 World Trade Center (150 Greenwich Street) « back
Daily Activities | Contact Info | FAQs | Links

The glass curtain wall installation began in June
The glass curtain wall began going up in June 2011
Developer Silverstein Properties began construction of World Trade Center Tower Four, also known as 150 Greenwich Street, in February 2008.

Designed by architect Fumihiko Maki, Tower Four completes Daniel Libeskind’s master-plan concept by completing the descending spiral of skyscrapers that sends attention down to the National 9/11 Memorial plaza. Maki’s design is minimalist and elegant, with its four corners each rising to varying elevations. Most notable is the significant setback on its western façade that creates the image of a single step.

Rising to a height of 72 stories (977 feet), the tower will house 1.8 million square feet of office and 146,000 square feet of retail space. It will feature 53 office floors, five stories of retail, and access to underground transit.

The innovative design of Tower Four was unveiled on September 8, 2006. As are all of the new WTC towers, it is planned to achieve the U.S. Green Building Council’s LEED Gold certification when it opens in summer 2013.

Click here for a tour of the rebuilding projects taking place in Lower Manhattan. Click here to read more about WTC Tower Four.

Visit the Interactive Streetwork Map.


Daily Activities

*The following information was last updated on February 3, 2012.

  • Steel is now above floor 57
  • Concrete is being poured above floor 46
  • Curtain wall installation began in late April 2011 and is now above floor 38
  • Fireproofing and masonry underway
  • Below-grade mechanical work underway
  • Elevator shaft work underway
  • Two cranes are now active at the site
  • The tower's substructure reached grade in mid-November 2009

Contact Info

For more information about the World Trade Center’s east-side towers, including leasing information, contact Mr. Dara McQuillan, communications director at Silverstein Properties: (212) 551-7352 or dmcquillan@silvprop.com.

More information about the building and entire World Trade Center site can be found at www.wtc.com.


Frequently Asked Questions

Q: When will Tower Four be completed?
Q: What are some of the Tower Four safety systems?
 
Click here for answers to commonly asked construction questions.

Related Links

WTC Tower 4 Site Glacial Formation - Slide Show
3 Questions for Scott Thompson, 4 WTC
Tower 4 Facade Mock-Up - Slide Show
Slide Show: WTC Tower Four
Rebuilding the WTC from the Ground Up
Envisioning the Future
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