The Fourth and Madison Building (formerly the IDX Tower) is a 40-story

skyscraper A skyscraper is a tall continuously habitable building having multiple floors. Most modern sources define skyscrapers as being at least or in height, though there is no universally accepted definition, other than being very tall high-rise bui ...

in downtown

Seattle, Washington Seattle ( ) is the List of municipalities in Washington, most populous city in the U.S. state of Washington (state), Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the List of Unit ...

. The building is located at 925 Fourth Avenue, at the intersection with Madison Street. Upon its completion in 2002, the late-

modernist Modernism was an early 20th-century movement in literature, visual arts, and music that emphasized experimentation, abstraction, and Subjectivity and objectivity (philosophy), subjective experience. Philosophy, politics, architecture, and soc ...

highrise was Seattle's first building to exceed in over a decade. In 2007, Fourth and Madison was awarded the BOMA International Office Building of the Year Award in the category. The rooftop garden on the seventh floor is a privately owned public open space (POPOS). Construction of the foundation required shoring around the Great Northern Tunnel and

Downtown Seattle Transit Tunnel The Downtown Seattle Transit Tunnel (DSTT), formerly also known as the Metro Bus Tunnel, is a pair of public transit tunnels in Seattle, Washington, United States. The double-track tunnel and its four stations serve Link light rail trains ...

. The tower also cantilevers over the Downtown YMCA.

References

External links

*
IDX Tower Special Feature
by ''

Seattle Daily Journal of Commerce The ''Seattle Daily Journal of Commerce'' is a daily (six days per week) newspaper based in Seattle, Washington specializing in business, construction, real estate, and legal news and public notices. History Seattle Daily Journal of Commerce ...

'' {{Authority control Office buildings completed in 2002 Skyscraper office buildings in Seattle 2002 establishments in Washington (state) Leadership in Energy and Environmental Design gold certified buildings