HVAC Contractor Permit Requirements in Paterson, NJ

Complete permit and license guide for starting a hvac contractor in Paterson, Passaic County, New Jersey.

Updated 2026-03-15 6 stops $400–$1,500 est. 4–10 weeks to obtain all licenses
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Not legal advice. Requirements may change — always verify with your local government authority before applying. This guide was compiled from public and official sources (last updated ) and has not yet been independently source-verified — confirm each requirement before acting on it.

Federal — start here

1 stop

  1. EIN (Employer Identification Number)

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

    Official government source

    FreeImmediate (online application)

State of New Jersey

2 stops

  1. New Jersey Division of Taxation — Sales Tax Certificate of Authority

    Required for all businesses selling taxable goods or services in New Jersey. New Jersey charges a 6.625% state sales tax. Most services are exempt; retail product sales and certain services are taxable. Register free online via the State of New Jersey Business Registration portal.

    Official government source

    FreeImmediate to 3 business days (online)

  2. EPA Section 608 Certification (for refrigerant handling)

    Federal law requires that any technician who purchases or handles refrigerants must be certified under EPA Section 608. Certification is required for all work on equipment that uses refrigerants (air conditioners, heat pumps, refrigeration systems).

    Official government source

    $20–$100 (exam)1–2 days

City of Paterson / Passaic County

3 stops

  1. New Jersey Department of Labor — HVAC Contractor License

    HVAC contractors in New Jersey performing heating, ventilation, and air conditioning work must hold an HVAC contractor license. Work on refrigerants requires EPA Section 608 certification.

    Official government source

    $125 (license)4–8 weeks

  2. City of Paterson Department of Business Administration — Business License

    Paterson requires a Business License for all businesses operating within city limits. Businesses in regulated industries must obtain additional permits from the appropriate city department. This license must be renewed annually and displayed at your place of business.

    Official government source

    $50–$500/year depending on business type and gross revenues1–3 weeks

  3. Passaic County / Paterson Mechanical Permit (per project)

    A mechanical permit must be obtained from the local building department for each HVAC installation, replacement, or major repair. A final inspection is required upon completion.

    Official government source

    $75–$500 per project1–5 business days

Terminus

Open for business — est. $400–$1,500 · 4–10 weeks to obtain all licenses

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Official Sources

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