Safe, Strong, and Code-Compliant: Structural Welding Solutions for Bay Area Properties

Delivering Precision Metalwork That Property Owners and Builders Can Trust
In construction and property management, details matter. A loose handrail, a rusted guardrail, or a weakened steel staircase isn’t just a cosmetic issue — it’s a liability, a code violation, and a safety risk.
That’s why Top Line Welding Services Inc. is the preferred partner for property managers, general contractors, and developers across the San Francisco Bay Area. With over a decade of experience, we specialize in structural welding, handrail and guardrail installation, and metal stair repair and fabrication, ensuring your buildings are safe, durable, and fully code-compliant.
Our Core Welding Services
🛠️ Structural Steel Welding (C-51 Licensed)
We handle field and shop welding for structural steel elements, including columns, beams, and brackets — all fabricated to meet California Building Code and project-specific engineering specs.
🤝 Handrail and Guardrail Installation
From ADA-compliant ramp rails to balcony and staircase guardrails, we fabricate and install custom systems using steel, stainless steel, or galvanized finishes. Every project is built for both compliance and aesthetics.
🧱 Metal Stair Repair & Replacement
We repair damaged treads, stringers, and handrails, or fabricate complete stair systems for commercial, industrial, and multifamily buildings. Our stairs are built for strength, safety, and visual appeal.
🚚 Mobile Welding Services
Need fast, on-site service? Our mobile welding crew covers Hayward, Oakland, San Francisco, Fremont, San Jose, and more — offering same-week response for urgent structural repairs or installations.
Who We Work With
Property Managers & Maintenance Teams
General Contractors & Construction Firms
HOAs & Multifamily Property Owners
Real Estate Developers & Architects