Fire extinguisher service license requirements by state (2026)
Updated August 2026
There is no national registry and no uniform approach. Of the 51 jurisdictions here, the research found 18 that license portable-extinguisher service companies at the state level; the rest license the trade locally, credential individual technicians, or do not license it at all. Find your state, then verify the current rules with the agency before you take a paid job.
How this page was built
Every entry here was built from primary sources: state statutes, administrative rules and agency licensing pages, each one opened and quoted during the pass, with the links published at the bottom of the state's own page so you can read the text rather than take our word for it. Where a state's own sources could not be reached, or where they did not answer the question, we did the one honest thing available and removed the claim: that state carries the Verify with the agency badge, which means this pass could not confirm the requirement from a primary source. That is not the same as there being no requirement, and it is never a reason to assume you are in the clear. Rules also change between editions, and local requirements sit on top of state ones, so the authority for your work is always the agency and your AHJ.
What the four postures mean
Every state below carries one of four postures. They answer different questions, so read the posture before you read the agency name: it tells you who issues the paper and who you have to satisfy before your first invoice.
- State license required18 of 51
- The state itself issues a license or registration to the COMPANY that services portable extinguishers. You apply to a state agency, usually the fire marshal, and there is normally a separate credential for each technician on the truck.
- Licensed locally2 of 51
- There is no single statewide company license, so the city or county you work in sets the rule. That means the answer changes as you cross a line on the map, and a shop working three counties can owe three registrations.
- Individual license4 of 51
- The credential attaches to the PERSON, not the business. The state examines and licenses technicians, and your company is legitimate because the people doing the work hold the card.
- No state company license10 of 51
- The research found no state license aimed at portable-extinguisher service companies. That is not the same as no rules: business registration, insurance, local fire-code requirements and the service standards themselves all still apply.
A fifth badge, Verify with the agency, is not a posture at all. It marks a jurisdiction where this pass could not confirm the rule from a primary source, so the page makes no claim and sends you to the agency instead. An honest blank beats a confident guess.
Requirements by state
All 51 jurisdictions, A to Z. Open a state for the license name, the agency link, the sources behind it, and the questions worth asking before you quote. 46 of 51 currently link a primary source.
| State | Licensing posture | Regulating agency | Adopted code | Service tag |
|---|---|---|---|---|
| Alabama | No state company license | Alabama State Fire Marshal | On record | Verify with the agency |
| Alaska | Individual license | Alaska Division of Fire & Life Safety (State Fire Marshal) | On record | Verify with the agency |
| Arizona | Verify with the agency | Arizona Office of the State Fire Marshal (Department of Forestry and Fire Management) | Not confirmed | Verify with the agency |
| Arkansas | State license required | Arkansas Fire Protection Licensing Board (Department of Labor and Licensing) | On record | Verify with the agency |
| California | State license required | CAL FIRE — Office of the California State Fire Marshal | On record | Verify with the agency |
| Colorado | No state company license | Colorado Division of Fire Prevention & Control (Department of Public Safety) | On record | Verify with the agency |
| Connecticut | No state company license | Connecticut Department of Consumer Protection (fire-protection trade licensing) | Not confirmed | Verify with the agency |
| Delaware | Individual license | Delaware Office of the State Fire Marshal | Not confirmed | Verify with the agency |
| District of Columbia | No state company license | No single state agency identified for this trade | Not confirmed | Verify with the agency |
| Florida | State license required | Florida Division of State Fire Marshal (Department of Financial Services) | Not confirmed | Tag rule confirmed, text unread |
| Georgia | State license required | Georgia Office of the Commissioner of Insurance and Safety Fire (State Fire Marshal) | On record | Tag specified in rule |
| Hawaii | Individual license | Hawaii county fire departments | On record | Verify with the agency |
| Idaho | No state company license | Idaho State Fire Marshal (Idaho Department of Insurance) | On record | Verify with the agency |
| Illinois | State license required | Illinois Office of the State Fire Marshal | On record | Tag rule confirmed, text unread |
| Indiana | Verify with the agency | Indiana Department of Homeland Security — Fire Prevention & Building Safety Commission | On record | Verify with the agency |
| Iowa | No state company license | Iowa Department of Inspections, Appeals & Licensing — State Fire Marshal Division | Not confirmed | Verify with the agency |
| Kansas | State license required | Kansas Office of the State Fire Marshal | Not confirmed | Verify with the agency |
| Kentucky | No state company license | Kentucky Department of Housing, Buildings and Construction | On record | Verify with the agency |
| Louisiana | State license required | Louisiana Office of State Fire Marshal — Life Safety and Property Protection | Not confirmed | Verify with the agency |
| Maine | No state company license | Maine Office of State Fire Marshal | On record | Verify with the agency |
| Maryland | State license required | Maryland Office of the State Fire Marshal | On record | Verify with the agency |
| Massachusetts | Verify with the agency | Massachusetts Department of Fire Services | Not confirmed | Verify with the agency |
| Michigan | Verify with the agency | Michigan LARA — Bureau of Fire Services | Not confirmed | Verify with the agency |
| Minnesota | Licensed locally | Minneapolis and other city licensing authorities | Not confirmed | Verify with the agency |
| Mississippi | Verify with the agency | Mississippi Insurance Department — State Fire Marshal's Office | On record | Verify with the agency |
| Missouri | Verify with the agency | Missouri Division of Fire Safety (Department of Public Safety) | Not confirmed | Verify with the agency |
| Montana | State license required | Montana Dept. of Labor & Industry | Not confirmed | Verify with the agency |
| Nebraska | Verify with the agency | Nebraska State Fire Marshal | Not confirmed | Verify with the agency |
| Nevada | State license required | Nevada State Fire Marshal — Fire Protection Licensing | On record | Verify with the agency |
| New Hampshire | Verify with the agency | New Hampshire State Fire Marshal | Not confirmed | Verify with the agency |
| New Jersey | State license required | New Jersey DCA — Division of Fire Safety | Not confirmed | Verify with the agency |
| New Mexico | State license required | New Mexico State Fire Marshal (NMDHSEM) | On record | Verify with the agency |
| New York | Verify with the agency | No single state agency identified for this trade | Not confirmed | Verify with the agency |
| North Carolina | No state company license | North Carolina OSFM (Dept. of Insurance) | Not confirmed | Verify with the agency |
| North Dakota | Verify with the agency | North Dakota State Fire Marshal | Not confirmed | Verify with the agency |
| Ohio | State license required | Ohio State Fire Marshal | Not confirmed | Verify with the agency |
| Oklahoma | State license required | Oklahoma State Fire Marshal — Fire Extinguisher Industry | Not confirmed | Verify with the agency |
| Oregon | Licensed locally | Portland Fire & Rescue and other city authorities | On record | Verify with the agency |
| Pennsylvania | Verify with the agency | City and county fire authorities | On record | Verify with the agency |
| Rhode Island | State license required | Rhode Island State Fire Marshal | On record | Verify with the agency |
| South Carolina | State license required | South Carolina Office of State Fire Marshal | On record | Verify with the agency |
| South Dakota | Verify with the agency | South Dakota State Fire Marshal (Department of Public Safety) | On record | Verify with the agency |
| Tennessee | Verify with the agency | Tennessee Department of Commerce & Insurance — Division of Fire Prevention | Not confirmed | Verify with the agency |
| Texas | State license required | Texas Dept. of Insurance — State Fire Marshal's Office | On record | Tag specified in rule |
| Utah | State license required | Utah State Fire Marshal | On record | Verify with the agency |
| Vermont | Verify with the agency | Vermont Division of Fire Safety | Not confirmed | Verify with the agency |
| Virginia | Verify with the agency | Virginia DPOR — Board for Contractors | On record | Verify with the agency |
| Washington | No state company license | Washington State Patrol — State Fire Marshal | On record | Verify with the agency |
| West Virginia | Individual license | West Virginia State Fire Marshal | On record | Verify with the agency |
| Wisconsin | Verify with the agency | Wisconsin Department of Safety and Professional Services | On record | Verify with the agency |
| Wyoming | Verify with the agency | Wyoming State Fire Marshal's Office | On record | Verify with the agency |
Verify with your AHJ. This is a research-derived starting point, not legal advice. Rules change, and local requirements stack on top of state ones, so the only answer that governs your work is the one you get from the agency and from your AHJ, the local authority having jurisdiction, before you take paid work.
What this layer covers, and what it does not
Licensing posture is recorded for all 51 jurisdictions, with 46 carrying at least one source that was fetched and read. An adopted code record was confirmed for 28. A service-tag rule was read in full for 2 and partially confirmed for 2; for the remaining 47 no tag rule was confirmed, and those pages say so rather than guessing.
A blank is a statement about what this research could read, never a finding that a jurisdiction requires nothing. Agency sites that refuse automated requests and rules published as documents rather than pages produce the same result, and the honest answer to both is the name of the agency to ask.
Keep going
- How licensing works in the trade: firm license versus technician certification, and the exam path
- The full formation playbook
- The same table, filterable: posture, agency, adopted edition and tag rule in one place
- Which NFPA 10 edition each state has adopted, and why the year is the real question
- What a service tag must say, state by state
- How this data is sourced, and what happens when a source cannot be read
- Fire extinguisher inspection software: what to look for once the license is in hand
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