Apex Envirotech Incorporated

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 C21 — C21 License

A C21 (C21) 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 C21 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 C57 — Well Drilling License

The C-57 Well Drilling license covers the drilling, maintenance, and repair of water wells, monitoring wells, and related systems. In rural areas of the Sacramento Valley, wells provide the primary water supply for homes, farms, and businesses. C-57 contractors drill wells, install pumps and pressure tanks, perform well rehabilitation, and handle well abandonment when required.

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

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 #706181 to confirm it is active and check for any complaints or disciplinary actions.

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