Flexible coworking, office and meeting space inside historic architecture

Find coworking, lab space, and office space in unique and historic environments in The Bay Area, San Mateo, and Seattle. Ideal for small offices, growing business and scaling startups.

A look inside the historic Rotunda building in Oakland, CA

Our Tenants Include:

What Do Our Members Think:

Being steps from the courthouse, close to BART, with convenient parking and a courtesy patrol makes it incredibly easy. From the moment you walk into The Rotunda, you feel it - the historic dome, beautiful plants. good energy. It’s elevated yet welcoming, with friendly security and responsive management. 
— Timothy Batts

Work at The Rotunda

Downtown Oakland private offices
available starting at $600/mo

About The Rotunda

The Rotunda is a landmark building in Uptown Oakland, offering thoughtfully designed coworking spaces and meeting rooms, after a full renovation, that support collaboration and creativity. It’s a great hub for entrepreneurs looking to work in an inspiring, architecturally rich setting and includes an event space that brings community and ideas together, earning its place among the best coworking spaces in Oakland.

Work at Masin Block

Seattle private offices available starting at $395/desk

About Masin Block

Masin Block delivers a modern, flexible workspace experience with options ranging from hot desks to dedicated desks and office spaces, accommodating a wide range of work styles. Members can choose shared office space or fully enclosed private office spaces, all within a building designed for performance, connectivity, and growth.

About 999 Baker

At 999 Baker, flexibility comes first, with short-term and on-demand workspace solutions that adapt as needs change. Reliable high-speed internet supports productivity for freelancers and remote workers, making it an ideal option for professionals who want convenience without long-term commitments. This location also has coworking labs.

Work at 999 Baker

Dedicated desks available at $100/month for a 3-month lease. $190/Month-to-Month

Private Offices available - starts at $800/month

All the amenities you need

Whether you’re an aggressively scaling startup or freelance creative, our properties have all the amenities you can expect from a co-working or office environment. If you’re looking for something specific, let us know.


  • 24/7 Access

  • 24/7 On-Site Private Security

  • Fully Furnished

  • Fast Secure Wi-Fi

  • Flexible Meeting Spaces by the Hour

  • Indoor Lounge Areas

  • Multiple Conference Rooms

  • Multiple Phone Booths

  • Bike Storage

  • Showers

  • Full Kitchen with Complimentary Snacks, Filtered Water, Tea and Coffee Service

Our coworking spaces do not stop at offices - we also offer medical spaces for rent and coworking labs in San Francisco.

Take A Tour of the Rotunda Building