


Structural Engineering · Boca Raton, FL
From Concept to Permit.
Full-service structural and architectural design for production builders, developers, and custom homes. PE-led. Permit-ready.
PE-Licensed
FL #87108 · CA #34513
Full-Service
Structural · Arch · Elec · Plumb · VE
Trusted By
Lennar · Mattamy Homes · Private Clients
Based In
Boca Raton, FL
WHAT WE DO
One Firm. Every Discipline.
Structural, architectural, electrical, and plumbing design — consolidated under one licensed design firm.
Built for Volume.
Model engineering, sign-and-seal packages, and repeat-lot efficiency for multi-unit developments. We scale with your pipeline — 10 units or 2,000.
Start Your Project→Designed Around You.
Schematic design through permit-ready construction documents for single-family homes, estates, and renovations. One point of contact from first sketch to final stamp.
Start Your Project→Engineered to Save.
We solve complex projects with simple, cost-effective solutions. Alternative materials, optimized structural systems, smarter construction methods — evaluated across all four disciplines simultaneously. Clients often save more than they spend on our services.
Start Your Project→Engineered for South Florida.
Wind load analysis, foundation design, value engineering, structural inspections, shop drawing review, and permit support. Every calculation built for local code.
Start Your Project→WHY CDN ENGINEERING
What Takes Four Firms, We Handle.
Four reasons builders, developers and homeowners choose CDN over the next firm on the list.

SCALE
No Project Too Large. None Too Small.
We designed and engineered over 2,500 homes for builders and developers in 2025 alone. The same PE who stamps a 2,000-unit development designs your custom waterfront home. Same rigor. Same license. Every time.
10,000+ homes and 4,000+ multifamily units engineered

CONSOLIDATION
Three Firms. Replaced by One.
Structural. Architectural. Electrical. Plumbing. Most owners coordinate with three or four different firms. CDN delivers all four disciplines with a single point of accountability — fewer handoffs, faster permits, and value engineering that optimizes across every system at once.
4 disciplines under one roof

LOCAL EXPERTISE
We Build Where You Build.
HVHZ wind loads. Flood zone compliance. FBC 8th Edition. We live in the same regulatory environment as your project — which means cleaner submissions and fewer review cycles.
Fewer plan-review cycles

VALUE ENGINEERING
Spend Less. Build Smarter.
We evaluate alternative materials, structural systems, and construction methods across all four disciplines simultaneously. The result: reduced project costs without sacrificing structural integrity or code compliance. Early involvement is where the biggest savings happen.
Clients often save more than they spend on our services

MEET THE ENGINEER
Casey D. Najjar, PE, MS
Principal · Structural Engineer
You won't get a sales rep. You'll get the licensed Professional Engineer who stamps your plans. Casey leads every project directly — from first consultation through permit-ready documents. A decade of South Florida structural design, with a Master's in Structural Engineering from the University of Florida. Four state licenses. One point of contact.
FL PE #87108 · CA #34513 · MS Structural Engineering
Work With Casey →Let's Engineer Your Next Project.
Tell us about your build. We'll respond with a custom proposal.
Boca Raton, FL 33487