With a long history of successful projects extending throughout Northern and Central California, Siegfried understands the unique needs facing our clients. We work closely with architects, design-build firms, and both private and public entities to produce the most appropriate solutions to any civil engineering challenge.

When you need sound structures built on solid design, Siegfried delivers. Our expertise in structural design and coordination is based on over 60 years of engineering buildings and related structures. Our clients rely on our ability to balance deadlines and budgets with the design insight required for structural work.

When the stakes are high, both private developers and public agencies turn to us for reliable results the first time. At Siegfried, technology drives these results, whether we’re linking to systems by satellite, to clients across the country, or to team members in the field.

Human needs demand inventive thinking. Siegfried offers planning services that bring each client’s vision to life. With a unique insight into public and private development plans, we know how to handle the technical details that enable a project to move forward successfully.

At Siegfried, we combine the art and science of landscape architecture to create memorable and enduring outdoor spaces. Our designs seamlessly blend softscape and hardscape elements by responding to natural land features that are ultimately user-focused and fulfill our client’s vision.

Campuses and schools from the University to K-12 level are realizing the potential of well-planned athletic facilities. We approach each project systematically, analyzing and understanding long term athletic goals. By balancing construction costs, maintenance requirements, and use, with an experienced understanding of athletic functions, we maximize each site’s potential.