ADU CITIES Contractor Directory

S T L Fabrication Inc

● Active — license status verified against CSLB public data as of November 6, 2026

CSLB license#927373
ClassificationsC-20 — Warm-Air Heating, Ventilating and Air-Conditioning · C-36 — Plumbing · C-4 — Boiler, Hot-Water Heating and Steam Fitting · C-43 — Sheet Metal · C-51 — Structural Steel · C-60 — Welding · D-38
Office of record10207 Elm Ave
Fontana, CA 92335
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 357-3553
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Insurance Company Of The West
Business typeCorporation
License issuedJanuary 13, 2009
License expiresJanuary 31, 2027

Is this your business? Claim this listing to enhance it with your website, photos, and project details.

Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.