Metal Fabrication Experts in Fremont, CA: Structural Welding, Railings & Stairs Built to Code

Precision Metal Fabrication Services for Commercial and Residential Projects
If you’re looking for reliable metal fabrication services in Fremont, CA, look no further than Top Line Welding Services Inc. We specialize in structural steel welding, custom handrails and guardrails, and metal staircase fabrication and repair for commercial buildings, multifamily properties, and new developments across the San Francisco Bay Area.

With over 10 years of experience and a C-51 contractor license, our team delivers high-quality metalwork that meets California Building Code and ADA requirements. Whether you need support for new construction or on-site repair for aging infrastructure, our welding and fabrication team is ready to help you complete your project on time and to spec.

 
Full-Service Metal Fabrication in the Bay Area
We provide end-to-end custom steel fabrication for property owners and builders who require safe, durable, and fully compliant work. Our core services include:

Structural welding: I-beams, columns, bracing systems, framing
Handrail and guardrail installation: Custom-fabricated ADA-compliant railings in galvanized, stainless, or powder-coated finishes
Staircase fabrication and repair: Stringers, treads, risers, and full metal stair systems for industrial and residential use
Mobile welding services: On-site fabrication and repair throughout Fremont, San Jose, Hayward, Union City, and Oakland
All fabrication is handled in-house or on-site by experienced professionals using certified processes to ensure quality and compliance at every step.

 
Why Fremont Contractors and Property Managers Choose Top Line Welding
Fully licensed and insured (CSLB #1133874)
Deep knowledge of metal fabrication, safety codes, and ADA standards
Fast quotes, clear communication, and on-time delivery
Mobile welding available for urgent and large-scale projects
Trusted by contractors and developers across the Bay Area