Article · Wikipedia archive · Last revised Aug 1, 2026

400 Building

The 400 Building, also known as the First Mutual Center and Washington Federal Center, is a seven story tall building in Bellevue, Washington. When it was completed in 1967, it was the tallest building in Bellevue.

Last revised
Aug 1, 2026
Read time
≈ 1 min
Length
152 w
Citations
4
Source
400 Building
Map
Interactive map of the 400 Building area
Record height
Tallest in Bellevue from 1967 to 1970[I]
Preceded byPuget Power Building
Surpassed byPaccar Tower
General information
StatusCompleted
Location400 108th Avenue NE, Bellevue, Washington, United States
Coordinates47°36′50″N 122°11′46″W / 47.614°N 122.196°W / 47.614; -122.196
Construction started
1966
Completed1967
Renovated2007–2010
Renovation cost> $1 million
OwnerWashington Federal Bank
LandlordUnico Properties
Height
Height92 feet (28 m)
Technical details
Structural systemReinforced concrete
Floor count7
Floor area75,000 ft2 (7,000 m2)
Design and construction
Architecture firm
Parr, Roderick, and Associates
References
123

The 400 Building, also known as the First Mutual Center and Washington Federal Center, is a seven story tall building in Bellevue, Washington. When it was completed in 1967, it was the tallest building in Bellevue.1

References

References

  1. "400 Building", Pacific coast architecture database, University of Washington digital collections
  2. "First Mutual Center". Emporis. Archived from the original on March 7, 2016.
  3. Washington Federal Center, Unico Properties, archived from the original on 2012-07-08, retrieved 2013-04-28
External links