Sae Consulting 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 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 C20 — C20 License
A C20 (C20) 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 C20 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 HAZ — Hazardous Substance Removal License
The HAZ (Hazardous Substance Removal) license covers the removal, remediation, and disposal of hazardous materials including lead paint, contaminated soil, underground storage tanks, and other environmental contaminants. This is a critical environmental and public health trade regulated by multiple state and federal agencies including Cal/EPA, DTSC, and Cal/OSHA. HAZ contractors must follow strict containment, handling, and disposal protocols to protect workers, the public, and the environment. California has some of the most stringent hazardous material regulations in the nation. When hiring a HAZ contractor, verify all required certifications, ensure they have experience with your specific type of contamination, and confirm they use licensed disposal facilities. Documentation and proper chain of custody for hazardous materials are essential.
💡 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 #987625 to confirm it is active and check for any complaints or disciplinary actions.
Check on CSLB.ca.gov →🏢 Are you Sae Consulting 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.
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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