State licensing directory
Connecticut fire protection licensing
Who licenses fire sprinkler, fire alarm, extinguisher and kitchen hood work in Connecticut, from official state sources.
Rows marked "details being verified" have not yet been confirmed on an official source. We never estimate.
Who licenses what
| Type of work | Licensing agency | License types | Status |
|---|---|---|---|
| Fire sprinkler work | Connecticut Department of Consumer Protection, occupational licensing | F-1 unlimited contractor (fire sprinkler); F-2 unlimited journeyperson, works only for a licensed contractor; F-3 limited contractor for foam, special hazard (water spray, foam, carbon dioxide, dry chemical), halon and other liquid or gas suppression systems; F-4 limited journeyperson for the same limited scope. F-5 and F-6 cover multipurpose residential sprinklers in one- and two-family homes. Experience to sit the contractor exams: two years as the matching journeyperson or equivalent experience. | Verified |
| Fire alarm work | Not covered by the F-series licenses. Agency details being verified. | Details being verified | |
| Portable extinguisher service | Details being verified. | Details being verified | |
| Kitchen hood suppression and exhaust work | Kitchen suppression systems that use dry or wet chemical may fall under the F-3 / F-4 limited scope; confirm with the department. Exhaust cleaning: details being verified. | Details being verified |
Fees, renewal and key rules
- Application fee: contractor $150, journeyperson $90 (non-refundable). Exam vendor fees are separate.
- All fire protection licenses expire every year. F-1, F-2, F-3 and F-4 expire on October 31.
- Renewal fee: contractor $150, journeyperson $120.
- Fire Sprinkler System Layout Technician licenses expire January 31; renewal fee $150.
- Every individual must pass an exam. Connecticut has no reciprocal agreements with other jurisdictions, and only individuals (not companies) can apply.
Town and fire marshal reporting
Town-by-town report submission rules: being researched.
Official sources
- Connecticut Department of Consumer Protection: Fire Protection Sprinkler Work Licenses
- Connecticut Department of Consumer Protection: Fire Protection Licenses and Scope of Work
Last reviewed October 2026. General information only, not legal advice. Fees and rules change; confirm with the agency before applying.