Duncan Welding

Duncan Welding

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Family-owned and operated welding fabrication contractor serving Southern California since 2021

Photos from Duncan Welding's post 05/27/2026

Small project, big impact.

Installed new wall-mounted handrails for an elderly couple to make everyday movement through their home safer and easier.

Not every project needs to be massive to matter.
We’re grateful for every client who trusts us with their home.

📍Ventura County

Photos from Duncan Welding's post 05/21/2026

Happy Thursday! 🙌

We haven't shared a review in a while, but this one meant a lot.

As a family-run business, feedback like this reminds us why we put so much care into every project.

Thank you to our clients for trusting us with your homes and projects.

📍Ventura County

05/08/2026

Family business.
Big dreams.
Tiny apprentice. ⚡

Happy Friday from the Duncan Welding crew!

05/07/2026

Not every project needs to be flashy.

Sometimes it’s about building something clean, durable, and made to perform every day.

Custom stainless steel handrails fabricated and installed 👊🏼

Have a property that needs upgrades? Reach out!

Photos from Duncan Welding's post 05/05/2026

Stainless steel pipe handrails designed for durability, safety, and code compliance in high-traffic spaces.

This is the kind of work we do every day. Fabrication that performs.

DM us to get your project started.

04/29/2026

Custom security fencing and sliding gate installation designed to improve access control and protect the property.

Projects like this are about more than perimeter fencing. They have to function well in real use.

If your property has fencing, access, or security upgrades on the list, reach out.

Photos from Duncan Welding's post 04/27/2026

That one time we built a vault style facade door for an escape room in Northridge.

Custom fabricated from scratch to look like a bank vault, complete with rivet detailing, viewing window, and turning wheel.

Not every project is gates and handrails over here.

Sometimes it’s making an idea come to life in steel.

What’s the most unusual thing you’ve seen made out of metal?

Swipe to see the before ➡️

04/24/2026

Ahhhhh, nothing like laying down a clean TIG bead…

Then taking it from the weld table to the field and bringing the project together onsite.

304 stainless Schedule 40 handrail in progress. Controlled heat, clean filler, smooth fit-up.

From shop fabrication to field install.

If you know, you know.

04/15/2026

From custom homes to commercial builds.

Handrails and security fencing in progress for a cultural arts center in Port Hueneme.

Different type of project, same focus: build it right and make it last. 👊🏼

Reach out if you’ve got a project coming up!

04/10/2026

Truck ran through this fence…

We fabricated new panels from scratch and had it repaired in two days.

On high-traffic properties, it’s not just about fixing it—it’s about getting it done quickly and making sure it holds up.

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Website

https://voyagela.com/interview/inspiring-conversations-with-david-duncan-of-duncan-welding

Address


2225 First Street
Simi Valley, CA
93065

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm