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Safeco Plaza

Identification

Safeco Plaza
1001 Fourth Avenue Plaza, Seattle-First National Bank Building
119473

Map

Structure in General

skyscraper
existing [completed]
steel
curtain wall
international style

Usages

commercial office

Facts

  • Once called "The box the Space Needle came in".
  • Seattle's tallest building from 1969-1985.
  • Stands on a plaza atop a granite base.
  • The structural system with each exterior curtainwall was designed as a vierendiel truss tying together the massive corner columns.
  • Elevation of site above mean sea level: 38.4 meters.
  • Overall height above mean sea level: 229.8 meters.
  • On September 30, 1982, the Seafirst Building was sold to JMB Realty of Chicago for $123.37 million.
  • Surpassed Elm Place as the tallest building west of the Mississippi River, and then surrendered the lofty title in the same year when 555 California Street was completed.
  • On April 29, 2005, the building was sold by the New York State Common Retirement System and ING Clarion to Hines for a reported $162.8 million.
  • Renamed 1001 4th Avenue Plaza in 1986.
  • Winner of the AIA Honor Award 1970.
  • Height: 630 ft. from Third Ave., 609 ft. from Fourth Ave.
  • First Vierendeel space frame supported building ever.
  • Renamed Safeco Plaza in 2007.

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More Information

Location

1001-1025 Fourth Avenue
1000-1024 Third Avenue, 300-324 Madison Street, 301-325 Spring Street
1001 Fourth Avenue
98104
Seattle
Washington
U.S.A.

Technical Data

630.01 ft
50
2
1966
1969
2002
18
576
$32,000,000

Involved Companies

MANNTECH Building Maintenance Systems
NBBJ

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