Zipper Geo Associates Employee Directory

Civil EngineeringWashington, United States11-50 Employees

Zipper Geo Associates is a civil engineering firm focused on geotechnical and environmental consulting. Founded in 2012 and based in Lynnwood, Washington, the practice serves a mix of private and public sector clients, including banks, engineering and architectural firms, developers, and real estate investment companies, applying local experience to complex site investigations and design challenges. The firm emphasizes delivering well-defined, regulatory-compliant scopes of work tailored to local standards, underpinned by deep geotechnical expertise.

Its leadership includes two licensed geotechnical engineers and three licensed geologists, four focusing on geotechnical engineering and one with a PhD in environmental geology, collectively accumulating decades of experience in the Pacific Northwest. The staff roster features a senior consultant with more than 35 years of local practice and several staff geologists. Beyond core geotechnical and environmental services, ZGA provides specialized retaining wall work and expert witness services, and carries SCS certification that enables participation in larger public works; it is recognized as a GBA Peer Reviewed firm and holds King County Small Contractor and Supplier status.

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