Who regulates fire extinguisher service companies in Delaware?

Delaware State Fire Marshal is the agency the research identified for this trade in Delaware. Requirements and license classes change, so confirm the current rules with them directly.

How do I confirm the exact Delaware requirements before my first job?

Contact Delaware State Fire Marshal and confirm, in writing, the company license or registration, the technician certification, and any surety bond or insurance filing your scope needs. Requirements vary by jurisdiction — verify with your AHJ (authority having jurisdiction) before you take paid work. This page is a starting point, not legal advice.

Does hydrostatic testing add requirements in Delaware?

Often, yes. Hydrostatic testing of extinguisher cylinders falls under federal DOT rules on top of your Delaware service license, and some shops sub it out to a partner with the equipment rather than build a test bench on day one. Confirm what your license covers and what the testing adds.

State license required

Fire extinguisher service license requirements in Delaware

Delaware licenses portable fire-extinguisher service at the state level (Fire Extinguisher company license), through Delaware State Fire Marshal. Get licensed before you take a paid job — and verify the exact class and any technician credential with the agency.

State: Delaware (DE)
Regulating agency: Delaware State Fire Marshal
License / class: Fire Extinguisher company license
What the research found: The Delaware State Fire Marshal licenses fire-extinguisher companies and publishes a licensed-company list. Confirm the company license and technician requirements.

This is a research-derived starting point, not legal advice, and requirements change. Confirm the current rules with the agency and your AHJ (authority having jurisdiction) before you take a paid job.

Frequently Asked Questions

Do I need a license to service fire extinguishers in Delaware?: Delaware licenses portable fire-extinguisher service at the state level (Fire Extinguisher company license), through Delaware State Fire Marshal. Get licensed before you take a paid job — and verify the exact class and any technician credential with the agency.
Who regulates fire extinguisher service companies in Delaware?: Delaware State Fire Marshal is the agency the research identified for this trade in Delaware. Requirements and license classes change, so confirm the current rules with them directly.
How do I confirm the exact Delaware requirements before my first job?: Contact Delaware State Fire Marshal and confirm, in writing, the company license or registration, the technician certification, and any surety bond or insurance filing your scope needs. Requirements vary by jurisdiction — verify with your AHJ (authority having jurisdiction) before you take paid work. This page is a starting point, not legal advice.
Does hydrostatic testing add requirements in Delaware?: Often, yes. Hydrostatic testing of extinguisher cylinders falls under federal DOT rules on top of your Delaware service license, and some shops sub it out to a partner with the equipment rather than build a test bench on day one. Confirm what your license covers and what the testing adds.

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