Welder working on steel with sparks flying

Custom Steel Fabrication

When a project needs steel that doesn’t come off a shelf, we build it. J&M’s shop takes a drawing — or a problem — and turns it into finished steel, cut on our CNC plasma table and welded to spec in-house.

Request a Quote

Structural steel beam set into a wood-framed building

WHAT WE DO

We fabricate custom structural and architectural steel for contractors and designers across the Central Coast. Bring us plans, a sketch, or a field problem, and we cut, form, and weld it in-house on a CNC plasma table, press brakes, and full shop equipment. Everything we build is steel above 1/8″, fabricated to the drawings and finished to match the job. Because we also erect and install, a custom piece can go from cut steel to set-in-place without leaving our hands.

SCOPE

CNC plasma cutting and forming
Custom structural and architectural steel to plan or sketch
One-off pieces, connections, and fabricated assemblies
In-house welding to AWS D1.1/D1.8
Fabrication paired with in-house installation when the job needs it

WHY J&M FOR FABRICATION?

WE SOLVE THE
ODD ONES

Field problems and non-standard

pieces are our normal.

CUT TO FINISH, IN HOUSE

CNC plasma plus full fabrication — no outside dependency.

CODE QUALITY
WELDS

AWS-qualified on every job.

We fabricate custom steel for contractors, designers, custom-home builders and businesses across California's Central Coast — Paso Robles, San Luis Obispo, Atascadero, Templeton, Santa Maria, Arroyo Grande, and the wider tri-county area (San Luis Obispo, Santa Barbara, and Monterey counties). Bring us a drawing, a sketch or a problem in the field.