We engineer soft-story retrofits for apartment buildings, mixed-use properties, and homes with weak first stories throughout Orange — steel moment frames, shear walls, and foundation upgrades with stamped plans designed to pass plan review and satisfy retrofit ordinances.
95% of New Clients Get a FREE Quote on First Call
Orange sits near the Peralta Hills and El Modeno fault trends with moderate-to-high seismic demand — and its Old Towne historic district adds retrofit sensitivity to older structures. Open-ground-floor buildings in Orange are the highest-risk structures in any earthquake — the weak story concentrates damage. Our retrofit designs add strength where the building needs it most, sized to code without gold-plating.
Orange sits near the Peralta Hills and El Modeno fault trends with moderate-to-high seismic demand — and its Old Towne historic district adds retrofit sensitivity to older structures.
Santiago Creek alluvium and Orange Loam across the flat city, transitioning to slopes in the east near Santiago Oaks, where expansive soils and older hillside fills create foundation movement.
City of Orange reviewers know both historic Old Towne projects and hillside eastside lots. We prepare packages that satisfy structural review without correction cycles.
Everything the building department, your contractor, and your project need — done by licensed engineers.
Transparent pricing and realistic schedules — confirmed in writing before any work begins.
Soft-story retrofit engineering (evaluation, stamped plans, calculations) typically ranges from $4,000–$12,000 per building depending on size and complexity. Moment frames and construction are priced by your contractor — our design minimizes steel tonnage and construction cost.
Orange County structural plans typically range $2,000–$6,500 for residential. Coastal and hillside properties may involve additional scope. Commercial projects are quoted based on scope.
Soft-story plan sets are typically delivered in 2–4 weeks depending on complexity. If a compliance deadline applies to your building, tell us — we schedule deadline-driven projects first.
Orange County plan review typically takes 2–4 weeks for residential. Expedited review available in many cities — call for timeline specifics.
Every project is different — a two-minute call gets you firm pricing for your Orange property.
Call For Firm Pricing — (844) 722-3647Have questions about soft-story retrofit in Orange?
Call and speak directly with a licensed California engineer — we're ready to help.
Call For Engineering Help — (844) 722-3647Full-service structural and civil engineering for Orange property owners, contractors, and developers.
We provide soft-story retrofit throughout Orange County and all of California.
Call today to speak directly with a licensed California engineer about soft-story retrofit in Orange. Firm pricing, fast turnaround, and plans your building department accepts.
Call (844) 722-3647