- One of Seattle's most prominent buildings. Two Union Square is consitered the city's most handsome building by the citizens of Seattle. It is also known as the Zippo Building by locals.
- Two Union Square is the world's first building to use 19,000 lbs/in.² of concrete.
Do you see any incorrect data on this page? Please let our editors know of any corrections you can make by posting them in the Database Corrections section of the discussion forum (open to the public).