24 Hour Emergency Service

Business : (909) 874-5553

Cell : (951) 204-1668


39 Years of Welding ExperienceLicense #714081

Southern California's Best Choice for Mobile Welding Services

Steel & Aluminum Welding - Moment Welding - Arc Welding - Heavy Equipment Repair

Onsite/Mobile Welding in Los Angeles, San Bernardino, and Orange County

San Bernardino On-Site/Mobile Welding Shop
  • Serving Los Angeles, Orange County, and San Bernardino
  • Residential and Commercial Welding Services
  • L.A. Licensed Structural Welder
  • AWS and Caltrans Certified Welder
  • 24 Hour Emergency Welding Services
  • Exceptional Workmanship and Honest Service

Convenient On-Site/Mobile Welding From a Los Angeles Licensed and Certified Welder

M & M Portable Welding is the best choice for mobile welding services in Los Angeles, San Bernardino, and Orange County. For over 39 years, we have been providing reliable on-site welding for building contractors, steel erectors, commercial businesses, apartment complexes, and private individuals. Our loyal clients trust us because we consistently deliver exceptional welding services at a cost-effective price. We are licensed by the City of Los Angeles and certified by the American Welding Society (AWS) in the proper application of advanced welding techniques. With our certifications and our years of hands-on experience and reliable work ethic, you can rest assured that we are highly qualified to complete long-lasting, durable welds for a wide range of projects, from crack repairs for staircase or balcony railings to moment welding steel beams for new construction jobs.

State-of-the-Art Mobile Welding Shop

At M & M Portable Welding, we understand the value of superior workmanship that is completed on time and in budget. With our reliable team of certified welding professionals, multiple service trucks, and specialized welding equipment, we are fully equipped to handle industrial, commercial, and residential welding jobs of all sizes. Our fast and responsive mobile welding services effectively bring a welding shop to your location, which makes our services convenient, hassle-free, and time-saving. Whether you need MIG welding for an Ontario manufacturing facility, steel frame welding for an Anaheim commercial building, or pool gate welding for a Hollywood condominium, we have the skills and expertise to achieve outstanding results, quickly and efficiently.

Automotive Welding, Aluminum TIG Welding, MIG Welding, Light Gauge Welding, Moment Welding, Structural Welding, Arc Welding, Plasma Welding, Pipe Welding, and More

We excel at welding steel, stainless steel, aluminum and sheet metal. Our wide range of structural, industrial, and residential welding services includes:

  • Car and truck frames, bumpers, and floorboards
  • Trailers, trailer hitches, motorhomes, 4x4s, work trucks, and service vans
  • Manufacturing machinery
  • Heavy equipment
  • Carports (poles and frames)
  • Fences and gates
  • Water heaters and water tanks
  • Diesel fuel tanks
  • Crack repair and metal rot repair
  • Stair rails and stair treads
  • Balcony railings and handrails
  • Steel beams and steel plates
  • Pipes (water lines, gas lines, steam lines)
  • Patio covers, poles, and support beams
  • Aluminum tubing (replacement and rewelding)

We offer emergency on-site welding services 24 hours a day, 7 days a week throughout Southern California, including Los Angeles, San Bernardino, Ontario, Hollywood, Studio City, Anaheim, Irvine, Big Bear Lake, and surrounding areas. Give us a call today to learn more.

Licensed and Certified by
the Following Agencies:

California Department of Transportation CertifiedLA Department of Building and Safety WelderAmerican Welding Society Certified Welder

Service Area


Fast efficient and equipped called and Mike was onsite within the hour with more then enough materials and equipment to handle a school district job of high priority. Couldn't be more satisfied and will definitely use in the future for my welding needs!

Aaron Pedersen Via Google Review

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