1.-FS-Fire-Dept-Headquarters-THEN-WEB January 19, 2014 1300 × 970 1.-FS-Fire-Dept-Headquarters-THEN-WEB THEN: Constructed in 1890 as the Seattle Fire Department’s first headquarters, these substantial four floors (counting the daylight basement) survived until replaced by Interstate Five in the 1960s. (photo by Frank Shaw)