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23 Years In Business

Company Details

  • Verified Licenses


2235 1st Street # 120
Simi Valley, CA 93065


  • Mon: 7:00 AM - 4:00 PM
  • Tue: 7:00 AM - 4:00 PM
  • Wed: 7:00 AM - 4:00 PM
  • Thu: 7:00 AM - 4:00 PM
  • Fri: 7:00 AM - 4:00 PM
  • Sat: Closed
  • Sun: Closed
View All Details & Credentials


Service Details

  • Residential Work
  • Commercial Work

Areas of Expertise

  • Welding
  • Mobile welding
  • Gates
  • Fences
  • Handrails
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered


5 Verified Reviews
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-5 of 5 results
5.0 Brian W. Simi Valley, CA

I hired Duncan Welding to complete a double security gate project at my home. I have a concrete pathway on the side of my home that leads from the front yard to the backyard (as most single family homes do). Due to a need for containing two dogs (one of them larger), I needed to have two separate and durable gates on one side of the path. I contacted DW who came to my home for an estimate. He was prompt and listened intently on the specifications of how I wanted the gates to be (solid metal framing and wood). Additionally, one of the gates needed to have an opening since my gas line to the pool/spa is partially above ground. DW was very thorough in their questioning to be sure all of my questions/comments/concerns were addressed. Within a day or two DW contacted me and offered more than a fair price for the project. He wasn't the cheapest or the most expensive. He explained exactly what his plan was for my particular circumstances in a way that was clear and concise. DW was confident and to the point without the lack luster sales pitch. Due to his demeanor and overall honest character, I decided to go with him. I am very happy with his work. The timeline to construct and complete the install was as stated. I couldn't be happier with the work he did. I would use him again without question and have recommended him to others as well. Thank you so much DW!

5.0 Bonnie M. Simi Valley, CA

I would highly recommend this company. Dave was professional, friendly and did an excellent job at repairing the gate. He replaced 4 hinges that did not work correctly and installed proper, well-working hinges and leveled the two sides of the large driveway gate so that the gate now closes and locks correctly. Very happy with the job.

5.0 Jason C. Simi Valley, CA

My experience was extreamly good with Duncan Welding. They built me a custom hand rail for my stairs and a custom fireplace. All the work was top notch and came out looking beautiful. The guys were very professional from start to finish.

5.0 Don B. Simi Valley, CA

Excellent work, creative design thinking, beautiful finished product (Entry Gate)

5.0 Jesse B.

Does phenomenal work clean punctual goes above and beyond what is expected. I highly recommend him!


Duncan Welding
Metal Gate w/ Wood
Metal Privacy Gate
Metal Awnings
Metal Awnings
Arched Side Gate
Metal Awnings
Trash Enclosures
Handrail w/ Scroll Work
Arched Metal Gate w/ Wood
Metal Handrail
Privacy Gate & Fence
Fireplace Frame Repair
Residential Side Gate
Metal Panel Gate

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