Structural Engineer in Yorba Linda, CA
Structural Engineering · Yorba Linda
Daniel De Witte, P.E. #82726, provides PE-stamped structural plans for Yorba Linda's custom homes, additions, and ADU projects. Direct PE access and same-day response on every project.
Structural Engineering Services in Yorba Linda, CA
Yorba Linda is one of Orange County's premier residential markets with custom homes, large-lot properties, and complex addition projects. Second-story additions, multi-phase remodels, and ADUs on hillside lots all require structural engineering that accounts for site-specific conditions. Affinity Design Group serves Yorba Linda homeowners and their contractors with detailed PE-stamped drawings that anticipate plan check requirements and give framers everything they need to execute. Beyond structural engineering, Affinity delivers complete plan sets with architecture, structural, and MEP coordinated under one PE — so Yorba Linda homeowners and GCs don't need to hire and manage separate firms.
ADU & garage conversion
PE-stamped plans for ADUs on Yorba Linda's large lots and hillside properties. Slope-specific design. From $1,200.
Yorba Linda hillside ADU lots may require retaining wall engineering and geotechnical coordination. Slope stability per CBC Chapter 18 is a plan check trigger.
Room additions & remodels
Complex addition engineering for Yorba Linda custom homes including multi-phase remodels. From $2,500.
Custom Yorba Linda homes often have complex roof framing that complicates second-story additions. Existing truss evaluation is included in every addition scope.
Load-bearing wall removal
Structural analysis for opening up Yorba Linda's custom floor plans. Steel and LVL beam design. From $1,200.
Yorba Linda's custom floor plans may use steel moment frames rather than standard LVL beams for longer open spans in great rooms.
Inspections & PE letters
PE-stamped letters for Yorba Linda real estate transactions and hillside property assessments. From $400.
Hillside property assessments in Yorba Linda include evaluation of retaining walls, slope creep indicators, and foundation adequacy relative to grade changes.
Commercial & TI
Structural engineering for Yorba Linda commercial projects and tenant improvements.
Limited commercial stock in Yorba Linda. TI projects are typically small retail or office modifications following standard CBC.
Seismic retrofit
Seismic upgrades for older Yorba Linda homes including hillside properties with slope-specific considerations. From $2,500.
Yorba Linda hillside homes may require combined seismic retrofit and retaining wall assessment. Soil-structure interaction is a design factor on sloped lots.
Complete Plan Sets
Architecture, structural engineering, and MEP coordinated under one PE's oversight. One engagement, one set of drawings, one point of contact. No separate consultants to manage.
Architectural design — floor plans, elevations, sections, PE-stamped structural calculations and drawings, MEP engineering — mechanical, electrical, plumbing, All disciplines coordinated before submission, Plan check corrections + construction support
Three phases. Full PE oversight. Zero surprises.
From the first call to the final inspection, every project is led by a licensed PE with direct access throughout.
Clarity Before You Build
Submit the form. Tell us the project type, address, and timeline. You'll have a written scope and firm fee within 24 hours.
Engineered for Approval
Supported Through the Build
Direct PE access during construction. RFIs, field questions, inspector issues — same business day. The engineer who designed your project is the same one your GC can call.