Join the AI companies already building at Masin Block. Be surrounded by people doing exactly what you are.
A launchpad, not a coworking spaceYou won't be building alone.
Five funded AI companies are already in residence at Masin Block, your peer network, referral engine, and mentor bench from day one. Pioneer Square Labs operates in the same building.
One of Seattle's most iconic historic buildings.
Work inside Masin Block, steps from Pioneer Square and surrounded by Seattle's best AI ecosystem. A modern, flexible workspace built for performance, connectivity, and growth, with dedicated desks, private offices, and rooms designed to bring founders together.
From idea to funded company.
Eight to twelve early-stage AI companies per cohort. Sixty days of free, dedicated workspace, structured programming, and a clear path to capital, ending in Demo Day in front of Seattle's investors.
Apply
Tell us about your idea in a few sentences. Rolling review by our team and resident company advisor panel. Pre-Series A, 1 to 6 founders.
Build
60 days of dedicated desk space, 8am to 10pm access, community Slack, weekly office hours, and monthly founder dinners.
Pitch
Demo Day at Masin Block in front of invited angels and VCs: Alliance of Angels, Madrona, Voyager, and more.
Launch
Top teams are introduced to our investor network and offered a Launch Desk to keep building. No equity attached.
Start free. Stay and grow.
The Sprint is your zero-cost entry. When you're ready to keep building, convert to a membership tier that grows with you.
- Dedicated desk
- 8am to 10pm building access
- Community Slack
- Weekly office hours
- Demo Day eligibility
- Dedicated desk
- 8am to 10pm access
- 4 hrs/mo conference room
- Monthly founder dinners
- Mentor directory
- Everything in Launch Desk
- 8 hrs/mo conference room
- Quarterly investor intro
- Co-marketing in UnCommon channels
Also available: Team Suites (2 to 6 people, $1,200 to $2,500/mo), Virtual Membership ($75/mo), and Anchor Partner sponsorships. Ask us.
All the amenities, none of the friction.
- Dedicated desk & private office options
- 8am to 10pm building access
- Fully furnished
- Fast, secure Wi-Fi
- Multiple conference rooms
- Phone booths
- Indoor lounge areas
- Full kitchen & coffee service
- Community Slack & events
- Weekly office hours
- Monthly founder dinners
- Demo Day & investor access
A launchpad, not a desk rental.
Where traditional coworking is transactional and accelerators take equity over a three-month batch, UnCommon layers structured programming, an AI-focused cohort community, and genuine investor proximity on top of one of Seattle's best addresses. Live operating companies as your peers. A free Sprint to get in the door. A real path to capital.
UnCommon Incubator is proudly built and operated by Rubicon Point Partners.
Apply to the 60-Day AI Sprint.
No equity. No fees. A few sentences about your idea is plenty, our team reviews applications on a rolling basis and follows up with a short call.
Prefer email? Send your details to info@gouncommonmail.com.
Seattle's defining AI startup ecosystem is filling up.
8 to 12 companies per cohort. Free for 60 days. Applications reviewed on a rolling basis.
Apply to the Sprint