Structural Engineer in Anaheim, CA
Structural Engineering · Anaheim
Daniel De Witte, P.E. #82726, provides PE-stamped structural plans for Anaheim homeowners and contractors. ADUs, garage conversions, room additions, load-bearing wall removals, and structural inspections. Direct PE access from scope through construction.
Structural Engineering Services in Anaheim, CA
Anaheim has one of the most active ADU and addition markets in Orange County. From older single-family homes near Downtown Anaheim to newer developments in Platinum Triangle, structural engineering requirements vary by neighborhood, building age, and city plan check standards. Affinity Design Group serves Anaheim homeowners and contractors with PE-stamped structural drawings designed for first-round plan check approval. Daniel reviews every set against Anaheim's specific building department requirements before submission. Beyond structural engineering, Affinity delivers complete plan sets with architecture, structural, and MEP coordinated under one PE — so Anaheim homeowners and GCs don't need to hire and manage separate firms.
ADU & garage conversion
PE-stamped structural plans for Anaheim ADU projects — garage conversions, detached units, and JADUs. From $1,200.
Anaheim accepts digital plan submissions and processes ADU plan checks in 3–4 weeks. Older Downtown Anaheim homes may require foundation upgrades for conversion loads.
Room additions & remodels
Structural design for additions and second stories across Anaheim's diverse housing stock. From $2,500.
Anaheim's diverse housing stock means addition engineering varies significantly by neighborhood — Platinum Triangle vs. West Anaheim have different structural baselines.
Load-bearing wall removal
Beam sizing and PE-stamped plans for open-concept remodels in Anaheim homes. From $1,200.
Many Anaheim ranch homes have central bearing walls that also function as shear panels. Removal requires both gravity and lateral system redesign per CBC.
Inspections & PE letters
PE-stamped inspection letters for Anaheim real estate transactions and permit compliance. From $400.
Anaheim inspection letters are commonly requested for pre-1970s homes during escrow. Foundation crack evaluation and cripple wall assessment are standard scope items.
Commercial & TI
Structural engineering for Anaheim commercial projects, tenant improvements, and seismic anchorage.
Anaheim's commercial corridor along Katella and Harbor has active TI demand. Steel and CMU analysis common for older commercial buildings.
Seismic retrofit
Foundation bolting and shear wall upgrades for older Anaheim residential and commercial properties. From $2,500.
Pre-1970s Anaheim homes may have unbolted foundations and inadequate cripple wall bracing. Retrofit per CBC Chapter A3 guidelines.
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 Anaheim?
Yes. Any project involving structural modifications, ADUs, additions, or wall removals requires PE-stamped plans before the City of Anaheim will issue a permit.
How much does a structural engineer cost in Anaheim?
ADU and garage conversion projects start at $5,000. Room additions and remodels range from $6,500 to $12,000. Inspections from $400. Complete plan sets (architecture + structural + MEP) quoted per project. Firm quote within 24 hours.
How long does Anaheim plan check take?
Anaheim typically processes structural plan checks in 3–5 weeks. Our drawings are reviewed against Anaheim's specific submission requirements before filing.
Do you provide construction support for Anaheim projects?
Yes. Direct PE access during construction is included. RFIs, field questions, and inspector issues answered same business day.
