C43 – Sheet Metal Contractor

A CNC laser cutting machine slices precise holes into a sheet of metal at Val's Plumbing & Heating, creating bright orange sparks that scatter around the cutting area.

Why Hire a Licensed C-43 Contractor?

Hiring a C-43 Sheet Metal Contractor means choosing a professional who is qualified, licensed, and regulated by the California State License Board (CSLB) to perform precise and technical sheet metal work.
The C-43 license covers the fabrication, assembly, and installation of sheet metal components used in heating, ventilation, roofing, and structural systems — ensuring every job meets safety and performance standards.

Val’s Plumbing & Heating, Inc holds a valid C-43 Classification on our California State Contractors License.

Our California State Contractors License number is: 236164

Validate License

What Is a C-43 Sheet Metal Contractor?

California Code of Regulations
Title 16, Division 8, Article 3. Classifications

A sheet metal contractor selects, cuts, shapes, fabricates and installs sheet metal such as cornices, flashings, gutters, leaders, pans, kitchen equipment, duct work (including insulation, patented chimneys, metal flues, metal roofing systems and any other installations requiring sheet metal).

Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code)

Scope of Work Under the C-43 License

  • 🏗️ Expert Fabrication & Installation
    C-43 contractors are trained to cut, shape, form, and install sheet metal for HVAC ducts, flashings, gutters, downspouts, metal roofing, and custom architectural applications. They understand how to work with aluminum, galvanized steel, copper, and stainless steel safely and efficiently.

  • 📜 Code-Compliant & Safety-Certified Work
    Licensed contractors are familiar with California building and mechanical codes, ensuring all projects meet local regulations and inspection requirements. Their installations are designed to last — and to perform under real-world conditions.

  • ⚙️ Precision & Quality Control
    Sheet metal work demands precision. C-43 professionals use specialized equipment to ensure exact fits, sealed joints, and properly reinforced supports — minimizing air leaks, corrosion, or structural failures.

  • 🛡️ Consumer Protection & Accountability
    Licensed C-43 contractors are bonded and insured, offering clients legal and financial protection. The CSLB oversees all licensees, providing recourse if issues arise — an assurance unlicensed individuals cannot offer.

  • 💡 Efficiency & Professional Standards
    Experienced C-43 professionals streamline the fabrication and installation process, saving time, reducing material waste, and improving the efficiency of connected systems like HVAC or drainage.

  • 🏠 Trusted by Builders, Inspectors & Property Owners
    Building inspectors, general contractors, and property owners prefer to work with licensed contractors because they ensure compliance, deliver consistent quality, and protect project timelines.

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