S T L Fabrication INC, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor in Fontana, CA
S T L Fabrication INC operating as a corporation holds an active California contractor license (CSLB #927373), valid through Jan 31, 2027. First issued in 2009, the license has been on the CSLB roster for 17 years. It carries 6 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, C-43 Sheet Metal Contractor, C-51 Structural Steel Contractor, and C-61/D-38 Sand and Water Blasting Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Insurance Company of the West. The business is based in Fontana, in San Bernardino County, California.
- License Number
- 927373
- Issued
- Jan 13, 2009
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100060403
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Insurance Company of the West
- Policy Number
- WSA506314904
- Effective
- Nov 3, 2025
- Expires
- Nov 3, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is S T L Fabrication INC licensed in California?
Yes. S T L Fabrication INC holds California Contractors State License Board license number 927373, which is active and in good standing. The license was first issued on January 13, 2009. It is valid through January 31, 2027.
What does S T L Fabrication INC specialize in?
S T L Fabrication INC is licensed for 6 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, C-43 Sheet Metal Contractor, C-51 Structural Steel Contractor, and C-61/D-38 Sand and Water Blasting Contractor.
Where is S T L Fabrication INC headquartered?
S T L Fabrication INC is headquartered at 10207 Elm Ave, Fontana, CA 92335, in San Bernardino County, California.
Does S T L Fabrication INC have an active surety bond on file with CSLB?
Yes. S T L Fabrication INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does S T L Fabrication INC carry workers' compensation coverage?
Yes. S T L Fabrication INC carries active workers' compensation coverage through Insurance Company of the West.
How do I verify S T L Fabrication INC's contractor license?
You can verify S T L Fabrication INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=927373.
- License issuedJan 13, 2009
- Bond activeJan 1, 2023
- WC coverage startsNov 3, 2025
- WC expiresNov 3, 2026
- License expiresJan 31, 2027
- Spec Construction CO INC#419626Ontario·A General Engineering Contractor
- Burgesons Heating and Air Conditioning INC#263871Redlands·C-10 Electrical Contractor
- Mr Plumber Company#405923Colton·C-36 Plumbing Contractor
- United Contractors#416125San Bernardino·C-39 Roofing Contractor
- Davidson's Air Conditioning & Heating INC#429952San Bernardino·B General Building Contractor
- G E S Sheet Metal INC#280410Fontana·C-43 Sheet Metal Contractor
- Jerry's Plumbing & Heating#310627San Bernardino·C-20 HVAC Contractor
- Klaus & Sons Plumbing Heating & Air Conditioning#320990Montclair·C-10 Electrical Contractor
Working a California job with S T L Fabrication INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own S T L Fabrication INC? Claim or correct this profile