Proforma Construction Inc

Services

Services estimated based on license classification. Claimed businesses can customize their service list.

About the A — General Engineering License

A General Engineering (Class A) license in California authorizes contractors to perform work requiring specialized engineering knowledge and skill. This includes projects like roads, highways, bridges, dams, pipelines, irrigation systems, and utility infrastructure. General Engineering contractors typically work on large-scale civil projects that shape communities and infrastructure. California requires this license for any project where more than two unrelated building trades are used in a fixed work requiring specialized engineering. When hiring a Class A contractor, consumers should verify they have adequate insurance and bonding for the project scope, as these projects often involve significant investment and safety considerations. The CSLB oversees all Class A licensees to ensure public safety and professional standards.

About the B — General Building License

A General Building (Class B) license is one of the most common contractor licenses in California. It authorizes the holder to construct, alter, or repair buildings and structures. This includes residential homes, commercial buildings, and industrial facilities. A Class B contractor can use two or more unrelated building trades on a single project, making them ideal for comprehensive construction and renovation work. They often serve as the primary contractor who coordinates subcontractors for specialized trades. When hiring a General Building contractor, homeowners should verify the license is active and in CLEAR status, confirm adequate insurance coverage, and always get a detailed written contract before work begins. General Building contractors must maintain a $25,000 contractor bond and carry workers' compensation insurance if they have employees.

About the C-9 — Drywall License

The C-9 Drywall license covers the installation, taping, texturing, and finishing of drywall (also known as sheetrock or gypsum board). Drywall is the standard interior wall and ceiling surface in modern construction, and the quality of its installation directly affects the appearance of a finished room. C-9 contractors handle everything from hanging sheets to applying final textures and finishes. Different projects require different finish levels, from basic garage walls (Level 1-2) to smooth, paint-ready surfaces (Level 4-5). Specialty applications include moisture-resistant board for bathrooms, fire-rated assemblies, and soundproof installations. When hiring a C-9 contractor, specify the finish level you expect, discuss texture options, and ask about their process for minimizing dust. Quality drywall work is essential for a professional-looking final result.

💡 Tips for Hiring a General Engineering Contractor

1. Get multiple bids for large engineering projects
2. Verify the contractor carries adequate liability insurance for the project scope
3. Ask for references from similar completed projects
4. Ensure all necessary permits are pulled before work begins
5. Get a detailed written contract with project milestones and payment schedule

✅ Verify This License

Always verify contractor licensing directly with the Contractors State License Board (CSLB) before hiring. You can look up license #939250 to confirm it is active and check for any complaints or disciplinary actions.

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