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Panorama of Seattle File 879-560-374
structure #929997608building

Two Union Square

existing 225.6 m 56 floors 1989

Location of Two Union Square
Height Rankings
Collections
  • 1000 Tallest Buildings in the World

Object dataJoin to edit

Tip Height242.8 m
Architectural Height225.6 m
Roof Height225.6 m
Building Mass Height225.6 m Source: Database of Marshall Gerometta
Floors56 Source: Book: Structural Systems for Tall Buildings, CTBUH
Completion1989
Structural Formskyscraper
Main Usagecommercial office
Status existing
Architectural Stylepostmodern
Address601 Union Street
Smart Address601 Union Street
CitySeattle, WA
CountryUnited States
Source: SKYDB | As of: 2026-11-01

Rating

The rating reflects architectural quality and visual impact as judged by SKYDB users, and feeds into how this building is ranked across the site.

Files Join to upload

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