Best Custom Metal Fabrication in Nampa & The treasure valley

For over 28 years, Erwin Custom Fabrication has specialized in custom welding and metalwork in Nampa and across Idaho—precision-built for your needs.

Start Your Custom Metal Project

Expert Metal Fabrication Services by Erwin

We provide fully custom metalwork for homes and businesses across Nampa and the Treasure Valley—including countertops, tanks, railings, signs, and more.

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we can complete any custom metal fabrication project!

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Custom Metal Fabrication Projects Built to Last

See Our Custom Welding & Metal Fabrication Projects

From high-end homes in Sun Valley to custom agricultural builds in Kuna, Erwin has delivered precision custom metal fabrication across Idaho.

Our portfolio includes everything from architectural accents to heavy-duty components—each crafted with expert custom welding and attention to detail.

Explore our gallery to see how we bring Nampa-area custom metal projects to life.

Trusted Custom Metal Fabricator in Idaho Since 1993

Custom Metal Fabrication in Idaho Since 1993

Erwin Custom Fabrication is a trusted custom metal fabrication shop in Nampa, Idaho, serving clients across the state. Since 1993, we’ve delivered high-quality custom welding and metalwork solutions for residential, commercial, and industrial needs.

Our team specializes in stainless steel, aluminum, galvanized steel, copper, and zinc. Known for precision craftsmanship and exceptional service, we’re the go-to custom welder for unique fabrication projects throughout Idaho.

What Clients Say About Our Custom Metal Work

star5
“You want something made and made to perfection? You go to Erwin Custom and get it made! Elon musk asks these guys for advice! (Idk if thats true or not but it should be!).”
- Thomas mcconnell
star5
“These guys did a fabulous job at our school!! They made a counter in our kitchen, and it was absolutely perfect!! I am so happy!!”
- Debby Hall
star5
“Fast, great service. They can do anything you need my simple stainless steel job was done four hours after I called.”
- Derrick V.
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