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Fourth and Madison Building

40-story skyscraper in downtown Seattle, Washington From Wikipedia, the free encyclopedia

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.

FormernamesIDX Tower
TypeCommercial offices
Location925 Fourth Avenue
Seattle, Washington
Coordinates47.605498°N 122.333032°W / 47.605498; -122.333032
Quick facts Former names, General information ...
Fourth and Madison Building
Fourth and Madison Building is located in Downtown Seattle
Fourth and Madison Building
Location within Downtown Seattle
Former namesIDX Tower
General information
TypeCommercial offices
Location925 Fourth Avenue
Seattle, Washington
Coordinates47.605498°N 122.333032°W / 47.605498; -122.333032
Construction started
2000
Completed
2002
OwnerTIAA-CREF
Height
Roof156.06 m (512.0 ft)
Technical details
Floor countAbove ground: 40
Below ground: 2
Floor area845,000 sq ft (78,500 m2)
Lifts/elevators22
Design and construction
ArchitectsZimmer Gunsul Frasca Partnership
Kendall/Heaton
DeveloperHines Interests Limited Partnership
Structural engineer
Magnusson Klemencic Associates
Main contractorPCL Construction
Website
fourthandmadison.com
References
[1][2][3][4]
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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 space (POPS).[7]

A photo taken from the corner of an elevated courtyard diagonally facing the other corner, with a pair of open metal gates just in front of the camera, and a rectangular arrangement of small trees with spaced out leaves, some small bushes beneath, and a rectangular grassy patch in front, all surrounded by concrete walls with small glossy benches along them, and a view of some nearby tall skyscrapers past metal railings at the edge.
The 7th floor courtyard, viewed from the entrance

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]

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