
From semiconductor cleanrooms to mission-critical data centers, we've been delivering the Bay Area's most complex builds since 2003.
Some of our valuable clients
By The Numbers
87%
Repeat Customers
Most clients come back for the next build, and the one after that.
3,200+
Projects Completed
Delivered across data centers, labs, cleanrooms, and clinical builds.
23 Years
In The Bay Area
Building Northern California's most ambitious spaces since 2003.
98%
On-Time Completion
Schedule predictability backed by 20+ years of preconstruction discipline.
Expertise
Every COBE project lives in one of five sectors. Each one has its own technical demands, its own regulatory lift, and its own definition of done. We've built the team, the tools, and the playbooks to run all of them.





High-performance data center construction built for speed, reliability, and uptime. Projects scaled for present demands and future growth.
Testimonials
“I did major construction with COBE and their team is amazing. Always on time, always responsive, and they stand by their work. I would only work with COBE.”
Culture
Twenty-three years of building Bay Area projects, and the team that's done it has stuck around. That's not an accident.
Best Places to Work
Silicon Valley Business Journal
10+ Years
Average PM team tenure
60%
Engineers on the project management team





