Structural Engineer in Huntington Beach, CA
Structural Engineering · Huntington Beach
PE-stamped structural plans for Huntington Beach homeowners and contractors. ADUs, additions, wall removals, inspections, and seismic work. Direct PE access from Daniel De Witte, P.E. #82726.
Services in Huntington Beach
Huntington Beach homes face unique structural considerations including coastal soil conditions, salt air exposure, and older construction that may need seismic upgrades. Whether you're adding an ADU, removing a wall for an open floor plan, or building a second story, Affinity delivers PE-stamped plans designed for HB's building department. Beyond structural engineering, Affinity delivers complete plan sets with architecture, structural, and MEP coordinated under one PE — so Huntington Beach homeowners and GCs don't need to hire and manage separate firms.
ADU & garage conversion
PE-stamped plans for Huntington Beach ADU projects with coastal engineering considerations. From $1,200.
Huntington Beach coastal zone properties are subject to higher wind exposure categories per ASCE 7. Homes within the coastal zone may also require corrosion-resistant hardware and enhanced foundation connections.
Room additions & remodels
Structural design for HB additions with coastal wind and soil considerations. From $2,500.
Coastal zone additions in Huntington Beach use higher ASCE 7 wind exposure categories. Corrosion-resistant hardware may be required.
Load-bearing wall removal
Beam sizing and PE-stamped plans for wall removal in Huntington Beach homes. Coastal corrosion considerations. From $1,200.
Coastal HB homes may require corrosion-resistant beam connections and hardware. Wind load recalculation is part of lateral system redesign during wall removal.
Inspections & PE letters
PE-stamped inspection letters for Huntington Beach property transactions. From $400.
Huntington Beach coastal zone inspections include evaluation of salt-air corrosion on metal connectors and fasteners in addition to standard structural assessment.
Commercial & TI
Structural engineering for Huntington Beach commercial TI, restaurant build-outs, and coastal retail.
HB coastal zone commercial requires enhanced corrosion protection. Standard CBC TI plus coastal exposure considerations.
Seismic retrofit
Foundation bolting, lateral upgrades, and corrosion-resistant connections for older HB homes. From $2,500.
Coastal Huntington Beach retrofits require galvanized or stainless steel hardware. Salt-air corrosion assessment is standard for homes within the coastal zone.
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.
Questions — Answered
Do I need a structural engineer in Huntington Beach?
Yes. Huntington Beach requires PE-stamped plans for ADUs, additions, wall removals, and any structural project.
Do coastal homes need special structural engineering?
Yes. Huntington Beach homes face coastal soil conditions and salt air exposure. We account for these factors in every structural design.
How much does structural engineering cost in Huntington Beach?
ADU projects start at $5,000. Room additions: $6,500–$12,000. Inspections from $400. Firm quote within 24 hours.
Does Huntington Beach have special coastal building requirements?
Yes. Coastal zone properties use higher ASCE 7 wind exposure categories and may require corrosion-resistant hardware for all structural connections.
