Offices For Lease in Pioneer Building

Pioneer Building

600 1st Ave, Seattle, WA, 98104, United States

12 Offices

1 - 25 Desks

$220 per month

43 ft2

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.

Bus Station

2nd Ave & James St

1 minute walk

Train Station

Pioneer Square Station

3 minute walk

Building Overview

Expansive has 11 private offices, 1 coworking space and 1 virtual office available to rent in 600 1st Ave, Seattle, WA, 98104, United States as at 13 March 2026. They have offices ranging in size from 1 to 25 people.

Building Facilities

Air Conditioning
High Speed Lift
After Hour Security
Bike Storage Available
B Grade Building
Disabled Access
7 Floors

13 options in Pioneer Building

1 Person Virtual Office at 600 1st Ave, Seattle

1 Person Virtual Office

$67 /month

was $74 /month

Details

1 Person Coworking Space at 600 1st Ave, Seattle

1 Person Coworking Desk

$167 /month

was $186 /month

Details

2 Person Private Office at 600 1st Ave, Seattle

2 Person Private Office

$534 /month

was $593 /month

Details

4 Person Private Office at 600 1st Ave, Seattle

4 Person Private Office

$730 /month

was $811 /month

Details

6 Person Private Office at 600 1st Ave, Seattle

6 Person Private Office

$955 /month

was $1,061 /month

Details

8 Person Private Office at 600 1st Ave, Seattle

8 Person Private Office

$1,462 /month

was $1,624 /month

Details

9 Person Private Office at 600 1st Ave, Seattle

9 Person Private Office

$3,299 /month

was $3,666 /month

Details

16 Person Private Office at 600 1st Ave, Seattle

16 Person Private Office

$3,499 /month

was $3,888 /month

Details

19 Person Private Office at 600 1st Ave, Seattle

19 Person Private Office

$4,299 /month

was $4,777 /month

Details

20 Person Private Office at 600 1st Ave, Seattle

20 Person Private Office

$4,299 /month

was $4,777 /month

Details

Location Map

600 1st Ave, Seattle, WA, 98104, United States

Explore the Vicinity

Trains
Sounder Station - South Entrance8 mins walk
Tukwila Station4 hours 10 mins walk
Buses
2nd Ave & James St Station1 min walk
2nd Ave & Cherry St Station1 mins walk
Airports
Seattle Lake Union SPB (LKE)4 km drive
Seattle Boeing Fld (BFI)10 km drive
Bars
Merchant's Cafe and Saloon1 min walk
Bill Speidels Underground Tour1 min walk
Cafes
Cocoa Banana2 mins walk
Caffé D'arte - Pioneer Square Café.1 min walk
Bodytonic Pilates2 mins walk
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Expansive
Expansive
Every Expansive workspace is designed to help our clients do their best work. From high-speed internet and 24/7 secure access to fully furnished offices and versatile meeting rooms and day offices, our buildings offer everything you need to stay productive and connected. Coworking lounges, community kitchens, and private phone booths make it easy to work your way, while thoughtful touches like outdoor spaces, bike storage, and dedicated Mother's rooms bring comfort and balance to the workday. The Expansive app keeps you plugged into your community with effortless meeting room booking, building updates, and event news all in one place. With our onsite Community Management team ready to help, every detail is taken care of so you can focus on what matters most. And with a nationwide network of Expansive locations, you’ll always have a professional place to work wherever business takes you.

We are the US's No. 1 marketplace for serviced, coworking, and shared office space.

Connect with our local experts for flexible workspace solutions across the US. Get personalized recommendations, arrange tours, and secure the best deals — all at no cost.

Stacey Banks, Senior Account Manager at Office HubAndrew Back, Vice President of Sales at Office HubSarah Goldman, Director of Operations at Office HubMiles Anderson, Senior Account Director at Office Hub

Talk to our Experts directly

646 741 8226