About Diablo Iron, Inc.

Est. 1972

Diablo Iron's metal fabrication warehouse

Diablo Iron is a third-generation family-owned & operated metal fabrication company in the San Francisco Bay area since 1972.

We specialize in the highest quality metal fabrication, reliable customer service and attention to detail in all of our projects.

Diablo Iron’s 50 years of working with many of the leading commercial and residential contractors in the Bay Area has established our reputation as a competent and reliable source of steel fabrication and ornamental iron work.

Diablo Iron is fully insured, bonded and licensed as a B-General Building Contractor, C-23 Ornamental Metals and C51 Steel Structural.

Design | Fabrication

As a custom architectural metal fabricator and supplier of ornamental and architectural metalwork, Diablo Iron helps commercial and residential customers achieve value-engineered design solutions that surpass the highest construction standards.

Our Benicia, California-based metal fabrication facility is fully equipped with materials, state-of-the-art machinery, tools, capabilities, and talent.

Clientele | Projects

Serving Northern California and beyond, we work collaboratively with interior and landscape designers, architects, contractors, construction professionals, fellow artisans, and homeowners. Our expertise covers the full spectrum of architectural metals, including custom ornamental iron, finished stainless steel, bronze, brass, copper, and aluminum.

Projects may include: custom automatic driveway gate systems, forged garden gates, embossed railings, wrought iron architectural adornments, spiral staircases, architectural steel, and so much more.

Quality | Integrity

For more than 40 years, our customers have appreciated our expertise, professionalism, and metal artistry. We are proud of our fabrication and finish standards, architectural integrity guidelines, and rigorous code compliance. We’re fully insured, bonded, and licensed in B – General Building, C23 – Ornamental Metals, and C51 -Structural Steel.

Diablo Iron is firmly dedicated to environmental responsibility – using energy-efficient equipment and recycling all scrap metal generated.


Protective coating specialists, our custom green-rated faux finishes, powder coatings, galvanizing, and liquid paints are of the highest and most durable quality. Diablo Iron provides recommendations, samples, and guidance to ensure that your project meets your expectations.


To ensure an accurate, safe, and lasting result, Diablo Iron handles installation and integration with the surrounding hardscape, landscape, and built environment – whether a simple garden gate or 5,000-lineal feet of perimeter fence.

Service | Hours

Diablo Iron coordinates every project from initial concept and ideation through prototypes, fabrication, manufacturing, installation, and punch list completion. We stand behind our work and are readily available by phone Monday through Friday 8 AM – 5 PM PST or email us at info@diabloiron.com.

  • "I love our new garden gate and trellis. Beautiful and functional. Thank you so much!"

    Cathy Danville, CA
  • "Thank you for such a nice job and great service. If you ever have any one in the area that needs a referral, please pass on our number."

    Dave Livermore
  • "Our new ornamental iron entry gate and fence turned out perfect. Keeps the deer out of my wife's rose garden and adds great curb appeal to the front of the house."

    Bob Pleasanton, CA
  • "We are so pleased with the new automatic driveway gates. The ornamental iron design of the double gates is perfect. Great job!!!!"

    Steve Danville
  • "The wrought iron work is absolutely beautiful. The craftmanship and service were excellent. We are so proud of our new automatic driveway gate and iron fencing. Thank you, thank you!!!"

    Mary Lafayette, CA
  • "The fence and gates are absolutely beautiful! I am so thrilled. They are gorgeous. Karen did a great job on the gate design. It is fabulous. I can’t believe I lived for 10 years without it. I feel I have almost a new house. Thank you so much!"

    Anne Alamo, CA
  • "Great job! You’ve got a very happy customer!"

    Greg Alamo, CA
  • "Thank you so much for such an excellent job and for making this all happen so quickly."

    Halley Concord, CA
  • "Our new ornamental iron courtyard gate is perfect. The design compliments my new entry door and adds the security we needed."

    Kay Walnut Creek, CA
  • "The fence looks great! We received many compliments. Thank you so much for the terrific fence and excellent service."

    Jeffrey San Ramon
  • "Thanks so much, your guys were thorough, quick, clean and professional. And our new gate is beautiful! I will be happy to use/refer Diablo Iron in the future."

    Pam Pleasanton, CA
  • "Your company is a pleasure to work with. LOVE the fence and gate."

    Susan Orinda, CA
  • "Thank you so much for the beautiful pool fence. Your customer service skills are terrific, personal and professonal. I would recommend you to everyone."

    Laura Danville
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