Montana HVAC, Plumbing & Electrical License Requirements
Last updated 2026. Requirements may change — always verify with your state licensing board.
- Renewal
- 2-year registration
- CE hours
- None at state level
- Initial cost
- $70 / 2-year registration
- License types
- Construction Contractor Registration only — no HVAC trade license
- Experience
- N/A at state level
- Exam
- N/A
- Bond
- Not required at state level
- Insurance
- Workers' comp required with employees; general liability recommended
- Reciprocity
- No formal reciprocity — verify with board
- Board
- Montana Department of Labor & Industry — Contractor Registration
- Website
- boards.bsd.dli.mt.gov
- Notes
- No statewide HVAC trade license — just contractor registration. Local jurisdictions may add requirements.
- Renewal
- Biennial
- CE hours
- Verify with board
- Initial cost
- ~$200
- License types
- Apprentice → Journeyman → Master Plumber
- Experience
- 4 years
- Exam
- State plumbing exam
- Bond
- Not required at state level
- Insurance
- Workers' comp required with employees; general liability recommended
- Reciprocity
- No formal reciprocity — verify with board
- Board
- Montana DLI — Board of Plumbers
- Website
- boards.bsd.dli.mt.gov
- Renewal
- Biennial
- CE hours
- CE required
- Initial cost
- ~$200
- License types
- Apprentice → Journeyman → Master Electrician
- Experience
- 4 years
- Exam
- NEC-based exam
- Bond
- Not required at state level
- Insurance
- Workers' comp required with employees; general liability recommended
- Reciprocity
- No formal reciprocity — verify with board
- Board
- Montana DLI — Board of Electricians
- Website
- boards.bsd.dli.mt.gov
Montana requires all contractors to file a Construction Contractor Registration ($70 every 2 years) with the Department of Labor & Industry. On top of that, plumbing and electrical have full state licensing through their respective boards, but HVAC has no trade-specific state license.
TradesIQ tracks Montana license renewals, CE hours, bonds, and insurance certificates in one dashboard — with automated reminders before anything lapses.
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Renewal cycles, CE hours, fees, and licensing board links.
Montana
Full Montana guide →- Renewal
- 2-year registration
- CE
- None at state level
- Cost
- $70 / 2-year registration
- Board
- Montana Department of Labor & Industry — Contractor Registration
- Website
- boards.bsd.dli.mt.gov
- Renewal
- Biennial
- CE
- Verify with board
- Cost
- ~$200
- Board
- Montana DLI — Board of Plumbers
- Website
- boards.bsd.dli.mt.gov
- Renewal
- Biennial
- CE
- CE required
- Cost
- ~$200
- Board
- Montana DLI — Board of Electricians
- Website
- boards.bsd.dli.mt.gov
Requirements may change. Always verify with your state licensing board.