Pioneer Building

The Pioneer Building is a historic 1892 Richardsonian Romanesque-style building at 600 1st Avenue in Seattle. It earned National Historic Landmark status in 1978 and borders Pioneer Square Park.

Built in 1892, the building housed mining companies during the Klondike Gold Rush and hosted Seattle's first speakeasy during Prohibition. It is one of the defining landmarks of the Pioneer Square district.

The Pioneer Building is now a flagship West Coast property for Expansive coworking, with six floors of workspace featuring hardwood floors, cast iron columns, and a skylit center atrium. Offerings include private offices, coworking lounge access, day passes, and meeting rooms.

Yes, conference rooms and training suites in the Pioneer Building can be booked by the hour or by the day through LiquidSpace. The training suite hosts up to 40 guests with TV, dry-erase boards, and full audio-visual capabilities.

The Pioneer Building is at 600 1st Avenue in Seattle's Pioneer Square neighborhood, just blocks from Lumen Field. King Street Station, the ferry terminal, the waterfront, and the light rail are all within walking distance.