Ndi Plumbing Inc
Services
Services estimated based on license classification. Claimed businesses can customize their service list.
About the ASB — ASB License
A ASB (ASB) 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 ASB 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 C-4 — Boiler, Hot Water Heating & Steam Fitting License
The C-4 Boiler, Hot Water Heating and Steam Fitting license authorizes contractors to install, maintain, and repair boilers, hot water heating systems, and steam fitting equipment. This specialized trade requires deep knowledge of pressure systems, safety protocols, and building codes. C-4 contractors work on both residential and commercial projects, from home radiant heating systems to large commercial boiler installations. Given the potential safety hazards of pressurized heating systems, it is critical to hire only licensed professionals for this type of work. California requires regular inspections of commercial boiler systems, making qualified C-4 contractors essential for building owners. When hiring, verify the contractor has experience with your specific type of system and ask about their emergency service availability.
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 C36 — C36 License
A C36 (C36) 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 C36 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 ASB Contractor
- Always verify the contractor license is active on the CSLB website
- Get at least three written estimates before making a decision
- Never pay more than 10% or $1,000 down (whichever is less) per California law
- Get a detailed written contract specifying scope, timeline, and payment terms
- Verify the contractor carries general liability and workers compensation insurance
✅ Verify This License
Always verify contractor licensing directly with the Contractors State License Board (CSLB) before hiring. You can look up license #889754 to confirm it is active and check for any complaints or disciplinary actions.
Check on CSLB.ca.gov →🏢 Are you Ndi Plumbing Inc?
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Claim This Page →Frequently Asked Questions
Do I need a licensed ASB contractor in California?
Yes. California law requires a licensed contractor for any asb work valued at $500 or more. Licensed contractors must pass exams, maintain bonding, and carry insurance. Hiring unlicensed contractors puts you at risk.
What does a ASB license cover?
A ASB (ASB) license authorizes the contractor to perform specialized asb work in California. The specific scope is defined by the CSLB. Verify the license covers the work you need before hiring.
What does a C-4 license cover?
A C-4 license covers the installation, maintenance, and repair of boilers, hot water heating systems, steam fitting, radiant floor heating, and hydronic heating systems in both residential and commercial buildings.
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