Precision Metal Craftsmanship and Off‑Road Fabrication Since 2001
Established in 2001, M&M Fabwerx has proudly served Chula Vista and the greater San Diego County with top-tier metal fabrication, welding, and custom off‑road vehicle builds. Our team brings unmatched passion and precision to every project—whether it's crafting custom bumpers, tube frames, or aluminum components, we’ve earned a reputation for excellence among off‑road enthusiasts and commercial clients alike.
Our Core Services

Why Choose M&M Fabwerx?
Expert Craftsmanship
Our skilled team combines traditional welding techniques with modern CNC laser cutting to deliver flawless, high-strength results.
Comprehensive Services
From tube cutting and flat sheet laser work to full off‑road vehicle fabrication and reverse engineering—we handle it all.
Local and Loyal
Located in Chula Vista, we proudly serve customers from Chula Vista, San Diego, El Cajon, Spring Valley, Riverside, Temecula, Del Mar—and nationwide for custom sand cars and pre-runners.
Timely Delivery & Transparent Pricing
We know time is critical. That’s why we promise punctual project completion, open communication, and no surprise costs.
“it just doesn't get any better. I've been going to Marco and M&M for 17 years now. great service, great price and what fab guy gets the job done on time or ahead of schedule...Marco DOES!”
— Steve M. on Yelp
“Marco is an amazing Fabricator! Came all the way from Utah to have him install our Glazzcraft Body kit on our RZR. He was very knowledgable, detailed and...”
— Megan P. on Google/Yelp
“He is good in what he does. He knows the stuff. Tell him what you need and he will build it for you.”
— Philippe Zinara Rajaofetra on Facebook/Birdeye
Our Process
Free Consultation & Custom Proposal
We begin with a detailed conversation about your project—whether it's an off-roader build, custom part design, or industrial fabrication. Then we provide a transparent quote and timeline.
Precision Design & Fabrication
Using industry-grade equipment—such as CNC laser cutters and precision tube benders—we craft every component to exacting standards.
Thorough Testing & Fitment
All parts undergo rigorous inspection and fitment testing to ensure strength, alignment, and performance before delivery.
Final Installation & Wrap-Up
Whether installed on-site or through your mechanic, we ensure proper integration. Final walk-through and sign-off ensure your full satisfaction.
Locations We Serve
Proudly based in Chula Vista, CA, we extend our services across:
- San Diego
- El Cajon
- Spring Valley
- Riverside
- Temecula
- Del Mar
For specialized off-road vehicles like sand cars, pre-runners, and UTVs, clients come from across the western USA to work with us.
FAQ
How long have you been in business?
Since 2001—24 years of experience in precision metal fabrication and off-road builds.
What materials do you work with?
We specialize in steel, stainless, and aluminum—using laser-cut, tube bend, and welding processes.
Can you ship custom parts?
Yes, we fabricate nationwide and coordinate secure shipping. Many clients across the western USA trust us for custom chassis and off-road kits.
Do you offer design assistance?
Absolutely. Our team can reverse-engineer parts or assist with CAD drawings and design optimization.
Ready to Start Your Project?
Free Project Quote
Reach out today with your drawings, ideas, or sample parts. Our team will craft a tailored solution—on time and on budget.













