Structural Engineer in Lake Forest, CA
Structural Engineering · Lake Forest
Daniel De Witte, P.E. #82726, provides PE-stamped structural plans for Lake Forest homeowners and contractors. ADUs, additions, and inspections with direct PE access and same-day response.
Structural Engineering Services in Lake Forest, CA
Lake Forest offers a mix of family homes and newer townhome developments. Whether your home was built in the 1980s or the 2020s, additions and ADUs require PE-stamped structural plans tailored to the city's building department. Affinity Design Group delivers detailed drawings designed for first-round plan check approval. Complete plan sets — architecture, structural, and MEP — are available for Lake Forest projects requiring all three disciplines.
ADU & garage conversion
PE-stamped plans for Lake Forest ADU projects in South OC neighborhoods. From $1,200.
Lake Forest includes the Foothill Ranch and Baker Ranch communities with newer construction (2000s–2020s) alongside 1980s–1990s tracts. Newer homes may have engineered trusses that limit modification options — we evaluate before committing to scope.
Room additions & remodels
Structural design for Lake Forest home additions and second stories. From $2,500.
Newer Lake Forest communities (Baker Ranch, Foothill Ranch) may have engineered trusses that limit modification. Truss evaluation is part of scope.
Load-bearing wall removal
Beam sizing and PE-stamped plans for Lake Forest wall removal projects. From $1,200.
Lake Forest homes with engineered roof trusses require manufacturer coordination before any bearing wall removal that supports truss bearing points.
Inspections & PE letters
PE-stamped letters for Lake Forest real estate transactions. From $400.
Lake Forest inspection letters address 1980s–2020s construction. Newer homes typically have fewer structural concerns than older OC housing stock.
Commercial & TI
Structural engineering for Lake Forest commercial projects and tenant improvements.
Lake Forest commercial follows standard CBC TI requirements. Newer construction in Baker Ranch area.
Seismic retrofit
Seismic evaluation and upgrades for Lake Forest residential properties. From $2,500.
Lake Forest's 1980s–2020s construction was built under progressively stronger seismic codes. Retrofit demand is lower than older OC cities.
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.