Quentin Johnston Construction Dba Johnston General Engineering
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 C27 — C27 License
A C27 (C27) 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 C27 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 #930463 to confirm it is active and check for any complaints or disciplinary actions.
Check on CSLB.ca.gov →🏢 Are you Quentin Johnston Construction Dba Johnston General Engineering?
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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.
Do I need a licensed C27 contractor in California?
Yes. California law requires a licensed contractor for any c27 work valued at $500 or more. Licensed contractors must pass exams, maintain bonding, and carry insurance. Hiring unlicensed contractors puts you at risk.
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