Siegried

At Siegfried, we are a leading multidisciplinary design and engineering firm with a rich history dating back to 1955. Our company was founded by Robert W. Siegfried with the vision of providing innovative and client-centered solutions to complex projects. Over the years, we have earned a reputation as one of the foremost professional services firms in Northern and Central California, as measured by our clients, employees, and community.

Our Services

We deliver innovative, client-centered solutions in the areas of civil engineering, structural engineering, geotechnical engineering, surveying, partnering, and landscape architecture. Our team of over 57 experienced professionals is dedicated to creating functional spaces that work for our clients and their communities. We provide solutions that meet the unique needs of each project, taking into account the challenges and opportunities presented by each unique situation.

Civil Engineering

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. Our expertise in civil engineering enables us to design and develop infrastructure that is functional, efficient, and visually appealing.

Structural Engineering

When it comes to building sound structures with solid design, Siegfried delivers. Our expertise in structural design and coordination is based on over 60 years of experience in designing and building structures. Our clients rely on our ability to balance deadlines and budgets with the design insight required for structural work.

Geotechnical Engineering

Starting from the ground up is where the Siegfried Geotechnical Engineering team is at its best. From field explorations, lab testing of soils, and geotechnical engineering analysis to construction services and investigation reports, we have the depth to service a multitude of public and private projects.

Surveying

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.

Landscape Architecture

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.

Partnering

Different projects have different needs, and Siegfried provides Partnering services for our clients to close the gap on your build. What are Partnering services? Public outreach, meetings with the community, and grant writing are a few ways our team can not only build your project but also tell the story too.

Our Legacy

Over the years, we have proudly served our clients, partners, and communities with expertise, innovation, and dedication. With over 68 years of experience designing thousands of projects, we continue to shape the success of communities and businesses throughout the Central Valley, Bay Area, and beyond.

Our History

Founded in 1955 by Robert W. Siegfried, our company has evolved over the decades to become a multidisciplinary design and engineering firm with a strong reputation in Northern and Central California. We are proud of our legacy and the many projects we have completed, transforming the face of cities and communities across the region.

Recent Projects

We have completed numerous projects in the areas of civil engineering, structural engineering, geotechnical engineering, surveying, partnering, and landscape architecture. Some of our recent projects include the Mountain View Community Center, University of the Pacific William Knox Holt Memorial Library Plaza, UC Davis Health Modular Sports Court, and more.

About Our Team

Our team of over 57 experienced professionals is dedicated to creating innovative and client-centered solutions. With a strong focus on collaboration, communication, and technical expertise, we are committed to delivering exceptional results.