News / Contact

Collective Operations

2106 Union St.
San Francisco CA, 94123
(415) 254-8359


2106 Union St.
San Francisco CA, 94123
(415) 254-8359

Collaborate with CO-

If you are interested in working together on a project of any size, please contact us through the form below. ​Even if you may feel unsure about your plans, we encourage you to reach out so that we may set up an initial discussion and consultation.

Work at CO-

If you are interested in joining the team, we would love to hear about you. We are currently seeking licensed architects, architectural designers, and interns. Please use the below form to reach out and we reply shortly to inquire about your work.



April 20, 2024

Weijia Song Moderates Multifamily Panel at the Harvard Real Estate Symposium

CO-‘s Weijia Song moderated the State of Multifamily Housing panel at the 2024 Harvard Real Estate Symposium. Participating on the panel held at the Harvard Business School were Eric Hepfer of Hines, Heather, Boujoulian of Berkshire, and Christopher Johnson of Related California Affordable. The discussion covered the many challenges facing multifamily housing in the US and shed light on new opportunities for innovation and impact!

October 9, 2023

Weijia Song Presents on Revitalizing Rehabilitation Projects in California

Weijia Song, Partner at CO- and Director of Development, recently shared insights at the 2023 NPH Northern California Housing Conference. As part of a panel focused on rehab projects, Weijia discussed the application of funding programs like State historic credits, IRA solar credits, the Green and Resilient Retrofit Program, and the Portfolio Reinvestment Program to CO-‘s completed and ongoing projects. Joining her were Lindy Suggs from the California Department of Housing & Community Development, Lauren Maddock from California Housing Partnership, and panel moderator Claire Parisa from Enterprise Community Partners.

April 3, 2023

West of Fairview Housing Entitled

We are excited to announce that the City of Hollister Planning Commission has given unanimous Site and Architecture plan approval to our West of Fairview Affordable Housing development proposal. This milestone is a culmination of the work that CO- has done as the combined architect and development manager on the project. We are excited to continue working with our development partner, Eden Housing, to bring 100 units of much-needed affordable housing to the Hollister community.

Our proposal for the West of Fairview development includes the construction of a range of affordable housing units and community amenities such as a playground, community center, and outdoor recreational space. We would like to thank the City of Hollister Planning Commission for their support and approval of our project. We look forward to working with the city and community members to bring this vision to life.

February 1, 2023

We’re Hiring Designers and Developers!

Collective Operations (CO-) seeks an Architectural and Urban designer, and a Real Estate Development Project Administrator on a full or part time basis. CO- practices Architecture, Urban Design, and Real Estate Development in parallel and pursues equilibrium between design excellence and project feasibility. Current design work includes multi-family housing projects and urban Design proposals and studies.

Architectural and Urban Designers work alongside partners to develop projects in various stages, from conceptualization to construction. Real Estate Development Project Administrators work alongside Partners to secure project funding, coordinate consultants, liaise with local approval organizations, and support other aspects of the development phase.

Candidates must be fluent in written and spoken English, with additional language abilities considered a plus, and must currently be authorized to work in the United States.

The position may be taken remotely, with a preference for candidates in the San Francisco Bay Area or Boston Area. If interested, please submit a cover letter and CV to Please submit a portfolio if applying for a position as an Architectural and Urban Designer.

December 1, 2022

Davis St Under Construction

CO- has commenced the renovation of a 2000sf apartment in downtown San Francisco. The 5 bedroom unit will be renovated with a new kitchen, bathrooms, finishes and appliances. Construction photos coming soon!