Fourth and Madison Building

Fourth and Madison Building
Location within downtown Seattle
Former names IDX Tower
General information
Type Commercial offices
Location 925 Fourth Avenue
Seattle, Washington
Coordinates 47°36′20″N 122°19′59″W / 47.605498°N 122.333032°W / 47.605498; -122.333032Coordinates: 47°36′20″N 122°19′59″W / 47.605498°N 122.333032°W / 47.605498; -122.333032
Construction started 2000
Completed 2002
Owner TIAA-CREF
Height
Roof 156.06 m (512.0 ft)
Technical details
Floor count Above ground: 40
Below ground: 2
Floor area 845,000 sq ft (78,500 m2)
Lifts/elevators 22
Design and construction
Architect Zimmer Gunsul Frasca Partnership
Kendall/Heaton
Developer Hines Interests Limited Partnership
Structural engineer Magnusson Klemencic Associates
Main contractor PCL Construction
Website
fourthandmadison.com
References
[1][2][3][4]

The Fourth and Madison Building (formerly the IDX Tower) is a 40-story skyscraper in downtown Seattle, Washington.[5] The building is located at 925 Fourth Avenue, at the intersection with Madison Street. Upon its completion in 2002, the late-modernist highrise was Seattle's first building to exceed 500 ft (150 m) in over a decade.

In 2007, Fourth and Madison was awarded the BOMA International Office Building of the Year Award in the 500,000–1,000,000 sq ft (46,000–93,000 m2) category.[6]

The rooftop garden on the seventh floor is a privately owned public open space (POPOS).[7]

Construction of the foundation required shoring around the Great Northern Tunnel and Downtown Seattle Transit Tunnel. The tower also cantilevers 12 feet (3.7 m) over the Downtown YMCA.[8]

References

  1. ↑ "Fourth and Madison Building". CTBUH Skyscraper Database.
  2. ↑ Fourth and Madison Building at Emporis
  3. ↑ "Fourth and Madison Building". SkyscraperPage.
  4. ↑ Fourth and Madison Building at Structurae
  5. ↑ "Hines Corp. press release". 2002-12-04. Retrieved 2007-07-31.
  6. ↑ "Press release: Fourteen North American Commercial Properties Win The Office Building of the Year (TOBY) and Earth Awards". BOMA. 2007-08-01. Archived from the original on 2010-12-22. Retrieved 2009-11-26.
  7. ↑ "Privately Owned Public Open Spaces (POPOS)". Seattle City Council. Retrieved 2012-09-25.
  8. ↑ Loesch, E. Douglas (October 3, 2002). "IDX Tower: Uncommon site poses steep challenges". Seattle Daily Journal of Commerce. Retrieved September 14, 2016.
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