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New Jersey fire inspection rules

In New Jersey, the Division of Fire Safety's Contractor Certification Unit licenses the businesses and individuals who install, service and maintain fire protection equipment, including fire extinguishers, kitchen and specialized fire suppression systems, and fire sprinkler systems.

Sources read October 7, 2026. Each section links the pages it came from.

Who licenses fire protection companies in New Jersey

Source: Contractor Certification Unit licenses fire protection firms and people

Who may inspect and service

Under N.J.S.A. 52:27D-25q, a New Jersey fire protection contractor may not install, service, repair, inspect or maintain fire protection equipment unless it holds, or employs a person who holds, a valid state certificate of certification.

People licensed for the fire alarm business under N.J.S.A. 45:5A-23 and licensed electrical contractors do not need this certificate to do fire alarm work, as long as they stay within the scope of their own profession.

Source: A certified person must hold or be employed by the firm

License types

Class C1, All Fire Protection Equipment Contractor, may install, service, repair, inspect and maintain all the equipment covered by classes C2 to C6.

Class C2, Fire Sprinkler System Contractor, may install, service, repair, inspect and maintain fire sprinkler systems.

Class C3, Special Hazard Fire Suppression System Contractor, may install, service, repair, inspect and maintain special hazard fire suppression systems and also kitchen fire suppression systems.

Class C4, Fire Alarm System Contractor, may install, service, repair, inspect and maintain all fire alarm systems.

Class C5, Portable Fire Extinguisher Contractor, may install, service, repair, inspect and maintain all portable fire extinguishers.

Class C6, Kitchen Fire Suppression System Contractor, may install, service, repair, inspect and maintain all kitchen fire suppression systems.

Source: C1 All Fire Protection Equipment

What the state requires

A New Jersey building owner must make sure fire dampers, smoke dampers and combination fire and smoke dampers are inspected and tested as the Uniform Fire Code standards require; this does not apply to one-family, two-family or attached single-family homes used only as dwellings.

The Division of Fire Safety's contractor page posts state report forms for the quarterly and the annual inspection of a fire sprinkler system.

Sources: Owners must have fire and smoke dampers tested; State sprinkler inspection report forms

Checking a company's license

The Division of Fire Safety publishes a list titled Fire Protection Equipment Contractor, Permitted Business with Qualifiers, giving each business name, permit number, lapse date and address.

Source: Official permitted business list

Common questions

Who may inspect fire extinguishers in New Jersey?

A contractor that holds a New Jersey fire protection certificate, or employs someone who does. Class C5 covers portable fire extinguishers.

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