Commercial Union Assurance Building
The Commercial Union Assurance Building is a, 16-story office building located in the Financial [District (San Francisco)|Financial District] of San Francisco, California. The building was completed in 1921 and is the same height of the San Francisco [City Hall]. The much taller 555 [California Street] is to the west of this Renaissance Revival styled building. Floors 9 and 10 are now flexible coworking spaces