Structural Engineer in Costa Mesa, CA
Structural Engineering · Costa Mesa
Daniel De Witte, P.E. #82726, provides PE-stamped structural plans for Costa Mesa homeowners and contractors. ADUs, additions, wall removals, and inspections with direct PE access.
Structural Engineering Services in Costa Mesa, CA
Costa Mesa's mix of established neighborhoods and revitalized areas creates strong demand for structural engineering. From Mesa Verde ranch homes to South Coast Metro condos, ADU conversions and remodels require PE-stamped plans tailored to the city's standards. Affinity Design Group delivers drawings detailed enough that your GC can build from them without field questions. Beyond structural engineering, Affinity delivers complete plan sets with architecture, structural, and MEP coordinated under one PE — so Costa Mesa homeowners and GCs don't need to hire and manage separate firms.
ADU & garage conversion
PE-stamped plans for Costa Mesa ADU projects — garage conversions, detached units, and attached ADUs. From $1,200.
Costa Mesa's Mesa Verde neighborhood has a dense concentration of 1960s ranch homes — consistent construction types make ADU conversions and wall removals relatively straightforward with proper engineering.
Room additions & remodels
Structural engineering for Costa Mesa additions and open-concept remodels. From $2,500.
Costa Mesa's Mesa Verde homes are predominantly 1960s wood-frame on slab. Additions follow standard CBC requirements with predictable structural scope.
Load-bearing wall removal
Beam sizing and PE-stamped plans for Costa Mesa wall removal projects. From $1,200.
Ranch-style Costa Mesa homes have straightforward bearing wall configurations. Standard LVL beam sizing applies for typical residential spans.
Inspections & PE letters
PE-stamped letters for Costa Mesa property transactions and permit compliance. From $400.
Costa Mesa inspection letters are commonly requested during real estate transactions for older Mesa Verde neighborhood homes.
Commercial & TI
Structural engineering for Costa Mesa commercial TI, South Coast Metro projects, and retail modifications.
South Coast Metro has active commercial TI demand. Standard CBC structural requirements apply for office and retail modifications.
Seismic retrofit
Foundation bolting and lateral upgrades for older Costa Mesa residential properties. From $2,500.
Costa Mesa's 1960s housing stock is generally slab-on-grade, reducing cripple wall concerns. Retrofit focus is on foundation bolting and shear wall adequacy.
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.