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Our Bay Area Team
Our Oakland-based team has worked on many projects throughout California.
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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
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Even if you haven’t heard of us, we bet you know us.
Formerly JRS Engineering LLC, 4EA has been at the forefront of providing quality, value-conscious building science solutions since 2005. We work with architects, owners, and contractors to deliver high-performance buildings that deliver improved durability, energy performance and value.
