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70 Years Of Innovation
& Community Impact

Engineering Solutions, Shaping Communities

At Siegfried, every project is an opportunity to solve challenges in a way that works for our clients and the communities they serve. With expertise in civil engineering, structural engineering, geotechnical engineering, surveying, landscape architecture, and partnering and public outreach, we take a collaborative approach to bring ideas to life. For 70 years, we’ve been turning complex problems into practical, lasting solutions— blending creativity with technical know-how to design spaces that are both functional and meaningful. Every client’s needs are unique, and we’re here to help navigate the process with experience, insight, and a commitment to getting it right.

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San Carlos Fire Station No. 16

San Carlos Fire Station No. 16

Front of the Casa Roble High School Student Union and Administration Building at dusk.
Casa Roble High School, Student Union and Admin Building

Casa Roble High School, Student Union and Admin Building

Mountain View Community Center

Mountain View Community Center

University of the Pacific, William Knox Holt Memorial Library Plaza

University of the Pacific, William Knox Holt Memorial Library Plaza

Two people standing under a blue awning on the UC Davis Health sports court.
UC Davis Health, Modular Sports Court

UC Davis Health, Modular Sports Court

UC Davis, Wyatt Deck & Pathways

UC Davis, Wyatt Deck & Pathways

UC Davis, Coffee Center

UC Davis, Coffee Center

City of El Cerrito Arlington Park Improvement Project

City of El Cerrito Arlington Park Improvement Project

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Siegfried Engineering