HVAC Contractor Permit Requirements in Los Angeles, CA

Complete permit and license guide for starting a hvac contractor in Los Angeles, Los Angeles County, California.

$900 -- $3000 10–18 weeks to obtain all licenses 4 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Los Angeles / Los Angeles County Requirements

1 requirement
1

City of Los Angeles — Mechanical Permit

Los Angeles requires a mechanical permit for HVAC installation from the LA Department of Building and Safety (LADBS). HVAC contractors must hold a valid California C-20 contractor license and an LA business license.

$100–$700 per project2–6 weeks
Official government source

California State Requirements

1 requirement
1

California Contractors State License Board — C-20 HVAC Contractor License

California requires HVAC contractors to hold a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) license from the California Contractors State License Board (CSLB). Applicants must have 4 years of journeyman experience, pass a state exam, and provide proof of $15,000 bond and workers' compensation insurance.

$450 application fee + $150 exam fee8–14 weeks
Official government source

Federal Requirements

2 requirements
1

EPA Section 608 Technician Certification

Federal law requires all HVAC technicians who purchase or handle refrigerants to be certified under EPA Section 608 of the Clean Air Act. Certification is available in Type I (small appliances), Type II (high-pressure), Type III (low-pressure), and Universal categories. Certification is obtained through an EPA-approved testing organization such as ESCO Institute or NATE.

$20–$60 (exam fee)1–2 weeks (exam scheduling)
Official government source
2

EIN (Employer Identification Number)

Required if you have employees or operate as an LLC or corporation. Free from the IRS.

FreeImmediate (online application)
Official government source

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