FireInspectorNear Inspection Calendar

Idaho fire inspection rules

Idaho licenses fire sprinkler companies under State Fire Marshal rule 18.08.02, which sets standards and checks the competency of sprinkler companies working in Idaho.

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

Who licenses fire protection companies in Idaho

No one may act or advertise as a fire protection sprinkler contractor in Idaho without a license.

Sources: State Fire Marshal rule 18.08.02; License required to act as a sprinkler contractor

Who may inspect and service

Every sprinkler system must be supervised by a licensed sprinkler contractor or a responsible maintenance employee, who tests and inspects it at the required intervals.

A responsible maintenance employee is someone employed by the property owner who regularly inspects and maintains the sprinkler system using the State Fire Marshal's maintenance checklist.

Source: Contractor or owner's maintenance employee

License types

Idaho's sprinkler contractor license is for anyone who contracts to install, repair, modify or maintain fire protection sprinkler systems.

The State Fire Marshal says the contractor license covers underground supply work from the water main, installations, remodels and tenant improvements, and inspections and maintenance of fire sprinkler systems.

Fitters are people who install and maintain sprinkler systems while supervised by a licensed sprinkler contractor.

Sources: Fire Protection Sprinkler Contractor (FPSC); What the contractor license covers

What the state requires

Sprinkler service tags must be in the State Fire Marshal's prescribed form, and a new tag must be installed each time work is done on the system.

Source: New service tag after every visit

Checking a company's license

The State Fire Marshal's online Licensed Sprinkler Contractor List shows each company's license number, license, bond and insurance expiry dates, and status.

Source: State Fire Marshal contractor list

Common questions

Who may inspect fire sprinklers in Idaho?

Every sprinkler system must be supervised by a licensed sprinkler contractor or a responsible maintenance employee, who tests and inspects it at the required intervals.

Find inspectors Due dates