4EA offices during Covid-19

4EA offices in Seattle and Oakland remain closed to the public for the time being in response to the COVID-19 pandemic. We are still available and our team continues to work remotely. Please contact us via email and cell phone during this time. Office voicemails will be forwarded to our email inboxes.

Stay healthy and safe out there – we’re getting through this together!

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JRS Engineering is Now “4EA Building Science”

JRS Engineering LLC has rebranded in the United States and is now 4EA Building Science.


Our Bay Area Team

Our Oakland-based team has worked on many projects throughout California.

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4EA is proud to sponsor MOD X EDU 2021

As part of our goal to help create a positive impact on the built environment, 4EA is a proud sponsor

View All 4EA Projects