Structural Engineer in Pasadena, CA
Structural Engineering · Pasadena
PE-stamped structural plans for Pasadena homeowners and contractors. Historic homes, additions, ADUs, and seismic retrofits. Direct PE access from Daniel De Witte, P.E. #82726.
Services in Pasadena
Pasadena's architectural heritage includes craftsman bungalows, Spanish colonials, and mid-century modern homes alongside newer construction. Each style presents unique structural considerations for additions, seismic upgrades, and ADU conversions. Affinity Design Group provides PE-stamped drawings that respect Pasadena's building standards and historic preservation requirements. Complete plan sets — architecture, structural, and MEP — are available for Pasadena projects requiring all three disciplines.
ADU & garage conversion
PE-stamped plans for Pasadena ADU projects including historic district sensitivity. From $1,200.
Pasadena has a robust historic preservation program. Structural work on homes in designated historic districts (Bungalow Heaven, Oak Knoll, others) may trigger Design Review Board approval in addition to standard building permits. We coordinate accordingly.
Room additions & remodels
Structural engineering for additions to Pasadena craftsman, Spanish colonial, and modern homes. From $2,500.
Pasadena historic districts (Bungalow Heaven, Oak Knoll) may trigger Design Review Board approval for visible additions. Coordinate early.
Load-bearing wall removal
Beam sizing for safe wall removal in Pasadena craftsman, Spanish colonial, and modern homes. From $1,200.
Craftsman and Spanish colonial homes in Pasadena have unique framing — original materials must be identified and load paths verified before beam design.
Inspections & PE letters
PE-stamped structural letters for Pasadena historic home transactions. From $400.
Historic Pasadena home inspections require sensitivity to original construction methods. PE letters document structural adequacy while noting preservation considerations.
Commercial & TI
Structural engineering for Pasadena commercial TI including historic buildings on Colorado Blvd.
Pasadena commercial TI in historic districts may trigger Design Review Board coordination. URM evaluation common for older buildings.
Seismic retrofit
Foundation bolting and cripple wall bracing for Pasadena's pre-1940s craftsman and Spanish colonial homes. From $2,500.
Pasadena has a large stock of pre-1940s homes with raised foundations. Bungalow Heaven and Oak Knoll are high-priority retrofit neighborhoods.
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.