Our Credentials

Stamped, Certified & Inspected

Safety, compliance, and technical excellence are at the core of everything we do. We back our work with industry-recognized certifications and licensing.

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Our Credentials

Stamped, Certified & Inspected

Safety, compliance, and technical excellence are at the core of everything we do. We back our work with industry-recognized certifications and licensing.

CSLB C-4 Contractor

LIC. NO. 1113654 Licensed boiler, hot-water heating, and steam-fitting contractor with the California Contractors State License Board.

R-STAMP CERTIFICATION NATIONAL BOARD — NBBI

Certified through the National Board of Boiler and Pressure Vessel Inspectors for pressure vessel and boiler repairs & alterations.

SCAQMD CERTIFIED Combustion & Emissions

SCAQMD-certified technicians for combustion analysis and emissions compliance testing.

Patterson-Kelley · Heat Tech

Factory Training

Our technicians receive manufacturer-specific training for startup and service support on Patterson-Kelley (PK) Boiler Systems through our partnership with Heat Technology Products (Heat Tech), the Southern California representative for PK Boilers.

What This Means for You

These credentials mean your pressure vessel repairs are performed to code, your emissions testing is compliant, and your equipment is serviced by technicians trained on the systems they touch. See our full services, or learn more about our team.

FAQ

License & Certification Questions

What licenses and certifications does Coastal Boiler Works hold?

Coastal Boiler Works holds a CSLB C-4 boiler, hot-water heating, and steam-fitting contractor license (License No. 1113654), R-Stamp certification through the National Board of Boiler and Pressure Vessel Inspectors (NBBI), SCAQMD certification for combustion and emissions testing, and Patterson-Kelley factory training through Heat Technology Products.

What is an R-Stamp certification?

An R-Stamp is a certification issued by the National Board of Boiler and Pressure Vessel Inspectors (NBBI) that authorizes a company to perform code repairs and alterations on boilers and pressure vessels. Coastal Boiler Works holds R-Stamp certification, qualifying us to perform tube replacement, weld repairs, and documented alterations to code.

Are your technicians SCAQMD certified?

Yes. Coastal Boiler Works technicians are certified by the South Coast Air Quality Management District (SCAQMD) to perform combustion analysis and emissions compliance testing for commercial and industrial boiler systems.

Are you factory trained on Patterson-Kelley boilers?

Yes. Coastal Boiler Works technicians receive manufacturer-specific training for startup and service support on Patterson-Kelley (PK) boiler systems through our partnership with Heat Technology Products, the Southern California representative for PK Boilers.

What is a CSLB C-4 license?

A C-4 license from the California Contractors State License Board authorizes a contractor to install, maintain, and repair boilers, hot-water heating systems, and steam-fitting piping. Coastal Boiler Works holds CSLB C-4 License No. 1113654.