Custom metal for commercial & residential projects
Custom Metal Fabrication & Installation in Simi Valley
Commercial and residential gates, fences, handrails, and guardrails built to spec and installed with precision
Highlights
About the Owners
Services We Provide
Services We Provide
David Duncan has over 20 years of experience in welding, fabrication, and metal design. He works closely with each client to bring their vision to life — from small custom projects to large commercial builds.
His wife, Kelsey, manages the office and accounting, ensuring projects run smoothly from start to finish. Together, they operate Duncan Welding as a family-owned business built on craftsmanship, reliability, and long-term client relationships.
We take pride in delivering high-quality metal products, clear communication, and dependable service on every project.
Services We Provide
Services We Provide
Services We Provide
Custom metal fabrication and installation
for homes, businesses, and warehouses.
- Gates
- Fences
- Handrails
- Guardrails
- Trash enclosures
- Plumbing boxes & utility covers
- Awning & data center installation
From security and access control to safety and site organization, our work is built to fit your space, your needs, and your standards.
Manufacturing & Warehouse Support
We also support industrial and manufacturing operations with custom-built metal equipment, including:
- Custom carts, tables, and material movers
- Production and batch welding services
Need something custom? Let us know - We will help you design the right solution.
Why Choose Us
Services We Provide
Why Choose Us
Family-owned, experienced, and detail-driven - We focus on doing the job right and building long-term client relationships.
Previous Projects
