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Seattle, WA, Pioneer Building, Coworking, Building exterior
Seattle Coworking Space just block away from Lumen Field

Built in 1892, the Pioneer Building housed mining companies during the Klondike Gold Rush and Seattle’s first speakeasy during Prohibition. The Richardsonian Romanesque-style building earned National Historic Landmark status in 1978 and borders Pioneer Square Park. A flagship property for Expansive on the West Coast, it offers six floors of stunning workspace with hardwood floors, cast iron columns, and a large center atrium lit by skylights running the length of the building.

Access: Right off US-5, walking distance from the Pier 50 ferry terminal
Amenities
Indoor Lounge Areas

In addition to the primary Expansive Lounge on the 1st floor, this location also enjoys a second common area with additional soft seating and work tables.

4 Conference Rooms

Our meeting rooms come equipped with smart TV monitors, remote controls, and polycom speaker phones.

14 Phone Booths

Private phone booths give you a place to step aside and focus. They include built-in desks, ventilation, and transparent doors.

Bike Storage

Secure, lockable bike racks allow clients to safely and conveniently store bicycles for their commute.

Mother’s Room

Every Expansive location is proud to offer its working mothers a comfortable private space equipped with soft seating, dedicated refrigerator, locking door, and electrical outlets.

Long Term Space

A limited number of long term and commercial spaces available for retail, restaurant, and office use.

Learn more about Long Term Space
Meet the Pioneer Building Team
Lauren Johnson
Area Sales Manager
All the Advantages, at a Great Value

Expansive is unique in that we own the buildings we develop and operate. As a result, we offer a wider range of spaces than others, so clients can grow with us over time. Even more importantly, it enables us to share the benefits of an integrated, nationwide property owner with our clients, giving them four key advantages at significantly lower cost:

Unparalleled Flexibility

Create workspace that allows you realize your vision even as it evolves

Maximum Productivity

You and your team can concentrate, collaborate, and deliver on your potential

Vibrant Community

Surround yourself with the people who make a hard day’s work fulfilling

Unwavering Stability

The workplace can be a steady anchor in a world that often feels uncontrollable

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