Engineering built for you.

Delivering structural, civil, and surveying solutions across Northern California.

Engineering & Surveying Services

Hewitt Consulting Group is an engineering and surveying firm based in Yuba City who serves clients throughout Northern California. We provide structural engineering, civil engineering, surveying and mapping services, allowing our multidisciplinary team to coordinate seamlessly from planning and design through construction.

Structural Engineering

  • Design and analysis of buildings, bridges, and specialty structures
  • Seismic evaluation and retrofit of existing facilities
  • Foundation and retaining wall design
  • Finite element analysis (FEA) for complex structural components

Civil Engineering

  • Site development, grading, and drainage
  • Site master planning and subdivision improvements
  • Wet utility and infrastrucutre improvement design
  • Accessibility compliance

Survey & Mapping

  • Aerial LiDAR and photogrammetry mapping
  • Entitlement surveys (parcel maps, subdivision maps, lot line adjustments
  • ALTA / NSPS surveys
  • Topographic surveying and mapping
  • Construction staking
  • FEMA elevation certificate
How we approach your project with purpose
Engineer explains slide baring a bridge slide bearing design to project details on-site with the contractor and client.

Our Approach to Engineering

Every project we undertake begins with listening. We take time to understand our client’s objectives, site conditions, and project constraints before defining scope or recommending services. By evaluating each project’s context — its goals, regulatory requirements, and constructability considerations—we can tailor the right combination of structural, civil, and surveying services to match its specific needs. This early alignment ensures an efficient start and sets the foundation for a coordinated, buildable design.

What Happens Next

After understanding your project’s objectives and constraints, we outline a clear scope of services and anticipated deliverables. Our team begins by reviewing existing data — survey records, plans, and site information — to establish a technical baseline. We then identify any additional field work or analysis needed to fill gaps before design begins. Once sufficient data is verified, we develop concept layouts and preliminary design options, coordinating early with permitting agencies and stakeholders. This early definition of scope, data, and schedule sets your project up for an efficient design phase with fewer surprises and a predictable path to construction.

Aerial view of golf course terrain with contour lines showing topography and marked area for potential site expansion

Our Process From Start to Finish

Data Review

Evaluate existing surveys, record drawings, and available site information.

Verification & Analysis

Confirm existing conditions through field observation, data validation, or targeted analysis as appropriate.

Concept Development

Prepare initial layouts and engineering concepts for review and refinement.

Agency Coordination

Engage early with local jurisdictions and permitting authorities to confirm requirements.

Design Development

Develop detailed design documents based on verified data and approved concepts.

Permit Submission

Finalize and submit construction drawings and supporting documents for agency approval.

Construction Support

Provide construction-phase assistance, including RFIs, submittal review, and site observation to confirm design intent.

Project Closeout

Finalize record drawings, reports, and documentation to complete project deliverables and ensure smooth turnover.

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Built Results

Wood-framed residential structure under construction with exposed sheathing and scaffolding, engineered by Hewitt Consulting Group in Healdsburg, California.

Five Faux Chimneys

A custom residence that sits atop a hill in Healdsburg, CA, offering scenic views of the surrounding wine country.

Steel truss bridge installation in progress with crane and field crew, part of a structural engineering project by Hewitt Consulting Group at Beale Air Force Base.

Dragon Town Bridge

A truss bridge at Beale Air Force Base in Yuba County engineered to span 110-ft with supported critical water main infrastructure over a creek crossing.

Wood boardwalk and observation trail designed by Hewitt Consulting Group through a Northern California wetland habitat in San Jose, California.

Marsh Trail Boardwalk

South San Francisco Bay Natural Wildlife Reserve boardwalk replacement project. Connecting an existing trail system to new levee improvements.

15+
YEARS OF COMBINED EXPERIENCE
142+
PROJECTS COMPLETED
150%
YOY Growth
4+
YEARS IN BUSINESS

Connect With Us

We understand how complex projects can get, and we're here to help every step of the way. Let’s bring your next project to life! Fill out a form or reach out directly, we look forward to being a part of your project's success.