Structural Engineering - Siegfried Engineering

Strong structures start with smart design. With 70 years of experience, Siegfried has a deep understanding of how to balance design, budgets, and deadlines to deliver structures that perform. From new builds to seismic retrofits, our team brings technical expertise and a collaborative approach to every project, ensuring that what we build today stands strong for years to come.

Two people standing under a blue awning on the UC Davis Health sports court.

UC Davis Health, Modular Sports Court

UC Davis, Wyatt Deck & Pathways

City of El Cerrito Arlington Park Improvement Project

City of Stockton, Alexandria & Five Mile Slough Culvert Replacement

City of Stockton, City Hall Relocation

ADA compliant railway crossing. Active railroad crossing guard with lights in front of train tracks.

City of Stockton, Hazelton & Industrial Rail Crossing

San Joaquin County, Public Health Services Facility

Northeast Stockton Library & Recreation Center

University of the Pacific

Reclamation District No. 1608

Reclamation District No. 2074

City of Stockton Soccer Complex view of the field, kid playing with soccer ball near coach or parent.

Stockton Soccer Complex

Lathrop Gateway

UC Davis, Aquatics & Recreation Pool Renovation

Niagara Bottling Plant & Arch Road Manufacturing Facility

Santa-Clara-Valley-Water-District-Coyote-Pumping-Station-Landscape-Architect

SCVWD, Coyote Pumping Station Warehouse

Placer County, Auburn Library Renovation

City of Tracy, Tracy Animal Shelter

SJECCD, Evergreen Valley College, Entry Road & Parking Lot

City of Stockton, Northeast Stockton New Library & Recreation Center

Manteca Public Works Administration Building

San Joaquin General Hospital, Acute Care Wing

UC Davis, Arboretum Waterway & Pathway Improvements

Stanislaus County, Measure L Sidewalk Projects

San Pablo Women, Infants, and Children Building

WelbeHealth, University Park Parking Lot and MOB

City of Stockton, Pixie Woods Playground

City of Palo Alto, Bowden Park

Hayward APP Jet Center

Dameron Hospital Central Utility Plant

UC Merced, Central Utility Plant Improvements

Palo Alto, El Camino Park

Morning Star Tomato Processing Plant, Los Banos and Williams

St. Joseph’s Women’s and Children’s Center, Stockton

St. Joseph’s Women’s and Children’s Center, Stockton

Universal Services Recycling, Stockton

Grand Avenue Bridge, San Rafael

Brookside Estates, Stockton

City of Roseville, Robert Mahan Neighborhood Mahan Park

Quail Lakes

DeCarli Square

Stockton Neighborhood Services Center

Stockton Airport Gateway

San Joaquin RTD Downtown Transit Center

ECS Refining

Rio Vista Waterfront Park

Retail Design Engineering Planning Surveying Northern California

Bank of the West

Palo Alto Household Recycling Center

Merlo High Joint Use Gym

Pixley Slough Bridge

Cesar Chavez Library

Northern California Car Dealerships

Margaret Troke Library

UC Merced, North Bowl Parking Lots and Pathways

Roseville Harry Crabb Park, Phase II

Stanislaus River Bicycle Bridge

UC Merced, Academic Office Annex

San Joaquin Regional Transit District (RTD) Fuel Station

Markets

Our structural engineering expertise serves a broad range of markets, from large public facilities to specialized private developments. By combining innovative design strategies with proven engineering principles, we deliver safe, efficient, and resilient structures that meet the unique demands of each sector we serve.

Commercial

Cultural

Entertainment

Essential services

Government

Healthcare

Higher Education

Hospitality

Institutional

Long-Span

Manufacturing

Mixed-use/Retail

Parking Structures

Public Assembly

Public Works

Tall Buildings

Transportation