Iron Construction & Engineering Corp
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-7 — Low Voltage Systems License
The C-7 Low Voltage Systems license covers the installation, maintenance, and repair of systems that operate on low electrical voltage. This includes security alarms, fire detection systems, data and communication cabling, home automation, intercoms, CCTV surveillance, and structured wiring. As smart home technology and security needs continue to grow, C-7 contractors are increasingly in demand. Unlike C-10 electricians who work with standard electrical power, C-7 specialists focus on signal and data systems. This distinction is important because improper installation of low voltage systems can affect performance, void warranties, or create safety issues. When hiring a C-7 contractor, ask about their experience with your specific system type, whether they offer monitoring services, and if they stay current with rapidly evolving technology standards.
About the C10 — C10 License
A C10 (C10) licensed contractor in California is authorized to perform specialized work in their trade area. California's Contractors State License Board (CSLB) requires contractors in this classification to meet education, experience, and examination requirements before receiving their license. When hiring a C10 contractor, always verify their license is active and in CLEAR status, confirm they carry adequate insurance, and get a detailed written contract before work begins. Licensed contractors must maintain a $25,000 contractor bond and comply with all applicable building codes and regulations.
About the C13 — C13 License
A C13 (C13) licensed contractor in California is authorized to perform specialized work in their trade area. California's Contractors State License Board (CSLB) requires contractors in this classification to meet education, experience, and examination requirements before receiving their license. When hiring a C13 contractor, always verify their license is active and in CLEAR status, confirm they carry adequate insurance, and get a detailed written contract before work begins. Licensed contractors must maintain a $25,000 contractor bond and comply with all applicable building codes and regulations.
About the C29 — C29 License
A C29 (C29) licensed contractor in California is authorized to perform specialized work in their trade area. California's Contractors State License Board (CSLB) requires contractors in this classification to meet education, experience, and examination requirements before receiving their license. When hiring a C29 contractor, always verify their license is active and in CLEAR status, confirm they carry adequate insurance, and get a detailed written contract before work begins. Licensed contractors must maintain a $25,000 contractor bond and comply with all applicable building codes and regulations.
About the C51 — C51 License
A C51 (C51) licensed contractor in California is authorized to perform specialized work in their trade area. California's Contractors State License Board (CSLB) requires contractors in this classification to meet education, experience, and examination requirements before receiving their license. When hiring a C51 contractor, always verify their license is active and in CLEAR status, confirm they carry adequate insurance, and get a detailed written contract before work begins. Licensed contractors must maintain a $25,000 contractor bond and comply with all applicable building codes and regulations.
💡 Tips for Hiring a General Engineering Contractor
- Get multiple bids for large engineering projects
- Verify the contractor carries adequate liability insurance for the project scope
- Ask for references from similar completed projects
- Ensure all necessary permits are pulled before work begins
- 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 #940834 to confirm it is active and check for any complaints or disciplinary actions.
Check on CSLB.ca.gov →🏢 Are you Iron Construction & Engineering Corp?
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Claim This Page →Frequently Asked Questions
What does a Class A General Engineering license cover in California?
A Class A license covers projects requiring specialized engineering knowledge including roads, bridges, dams, pipelines, utilities, and other infrastructure work. It does not cover general building construction, which requires a Class B license.
Do I need a licensed General Engineering contractor?
Yes. California law requires any contractor performing engineering work valued at $500 or more to hold a valid CSLB license. Hiring an unlicensed contractor puts you at risk and may void your ability to file complaints with the CSLB.
What is the difference between a Class A and Class B contractor license?
A Class A (General Engineering) license covers infrastructure projects like roads, bridges, and utilities. A Class B (General Building) license covers building construction, remodeling, and structural work on homes and commercial properties.
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