Coworking Space in Seattle

Looking for a fully furnished, flexible workspace in Seattle with better design & amenities? UnCommon delivers a smarter, more inspiring place to work.

Discover a Coworking Space in Seattle’s Pioneer Square That Inspires Big Ideas

Creative inspiration is easy to come by in a bright office space designed specifically for coworking in Seattle. Our wide range of available amenities and features will elevate your workday, right in the heart of Pioneer Square. The Masin Block has also been fully renovated with new building systems and ample power, designed to deliver unmatched performance for AI applications and high-power users with heavy computational needs.

Key Features in
Our Historic Seattle Building

4 Conference Rooms
4 Phone Booths
Bike Storage
Shower
Full Kitchen With Complementary Snacks, Filtered Water, Tea, and Coffee
On-Site Private Security
Flexible Meeting Spaces by the Hour
Professionally Managed
Secured Access

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Why Choose UnCommon for Your Next Coworking Space?

With spaces designed to accommodate both individuals and groups, coworking in Seattle has never been easier or more versatile. Enjoy a productive, balanced workday with access to dedicated desks, private offices, and meeting spaces by the hour, along with facilities for lounging, lunching, and grooming. We help you work smarter, not harder. Book a tour to explore our unique spaces for coworking in Seattle, and join our community to learn more about UnCommon amenities.

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Whether you’re here for a day, a month, or the long term, UnCommon offers the flexibility, design, and culture that make work feel less like work.

What Our Members Say

"The way this building was rebuilt showcases a perfect marriage of past and present. Architectural details from its original era have been thoughtfully preserved, while sleek modern elements bring new life into the space. It's a testament to respectful, inspired renovation."

Sarah - Member

"The blend of old and new vibes is evident in the way this building was rebuilt. Amazing building!"

Isaiah - Member

Coworking, Office Space & Event Space in Downtown Seattle

Centrally located in Pioneer Square

On-demand coworking spaces for various business sizes

Minutes from Link Station & secure parking garages

Learn More About Coworking in Seattle at UnCommon

Have questions? We have the answers you need!

We have hot desks (coworking option), dedicated desks, or private offices - take advantage of the peace you can’t get at home.
Yes! You can tour our space or work here for a day to get a feel for the potential of coworking in downtown Seattle.
UnCommon members enjoy a variety of desirable benefits, including:
- Wi-Fi
- 24/7 access
- Phone booths
- Meeting rooms
- Lounge areas
- Full kitchen with coffee, tea, and snacks
Thrive in a coworking space designed to accommodate freelancers, small businesses, and other professionals.
Parking in Seattle can be dicey, which is why UnCommon’s location is perfect—near parking garages, light rail stations, and major bus lines. The building is steps from King Street Station and Union Station for Link, Sounder, and Amtrak trains. We also offer easy access and amenities for bike commuters. For other transportation options, Masin Block is situated near I-5, SR-99, I-90, and the Washington State Ferry Terminal. Masin Block boasts exceptional accessibility with a 100 Transit Score, 98 Walk Score, and 91 Bike Score, making it one of the most connected locations in the area.
Yes! Conference rooms, flexible meeting rooms, and event spaces for larger groups are available for rent by the hour or day.
Yes! The Masin Block location is equipped with event spaces and amenities like a freight elevator, standard and ADA restrooms, private security, and janitorial services.
You can choose from short- and long-term memberships to scale as needed.
Located in the heart of Pioneer Square, this charming district is known for historic architecture and creative energy. Walkable amenities include cafes, restaurants, and bars, perfect for finding inspiration or meeting clients. Working at Masin Block means easy access to the waterfront, Lumen Field & T-Mobile Park.
Major Attractions
- Lumen Field: 0.3 Miles
- T-Mobile Park: 0.6 Miles
- Waterfront: 0.7 Miles
- Seattle Aquarium: 0.7 Miles
- Pike Place Market: 0.9 Miles
Masin Block is a restored historic building in Seattle’s Pioneer Square, originally built in the early 1900s and known for its classic brick façade and timber-frame charm. Once part of the city’s early commercial district, it has been thoughtfully modernized to preserve its character while supporting today’s creative and entrepreneurial community.
The result is a workspace that blends century-old craftsmanship with clean, contemporary design for an unmistakably Pioneer Square experience.