Montana Contractor & Trade License Requirements
Montana requires statewide licensing for electricians and plumbers through the Department of Labor & Industry. General contractors, HVAC contractors, and roofers do not need a state trade license but must register with the Contractors Registration Unit (CRU) if they have employees. All construction contractors with employees must carry workers compensation insurance.
General Contractor
Not requiredElectrician
RequiredPlumber
RequiredHVAC Technician
Not requiredRoofing Contractor
Not requiredReciprocity Agreements
Montana has reciprocity agreements with 2 states. Licensed contractors from these states may be eligible to skip certain exams.
Montana Licensing Overview
Montana requires statewide licensing for 2 of 5 contractor trades. The licensed trades — electrician, plumber — are regulated by 2 separate agencies: Montana State Electrical Board (MSEB), Montana Board of Plumbers (MBP). General Contractor and HVAC Technician and Roofing Contractor licensing is handled at the city and county level rather than statewide. Across all licensed trades, initial costs range from $270 to $310, including application fees, exams, and license issuance. Montana also participates in reciprocity agreements with 2 other states, which can streamline the process for out-of-state contractors.
Montana Contractor License Cost Summary
| Trade | Application | Exam | License | Bond | Est. Total |
|---|---|---|---|---|---|
| General Contractor | Local — no statewide fees | ||||
| Electrician | $240 | $70 | — | — | $310 |
| Plumber | $270 | — | — | — | $270 |
| HVAC Technician | Local — no statewide fees | ||||
| Roofing Contractor | Local — no statewide fees | ||||
Estimated totals include application, exam, license, and fingerprinting fees. Bond amounts are separate and typically paid as an annual premium.
Key Facts About Montana Contractor Licensing
- Workers compensation required for all contractors with employees. Independent contractors without employees may be exempt but can voluntarily register.
- Montana does not require a statewide license for general contractor or hvac technician or roofing contractors. Local permits may still apply.
- Montana has reciprocity agreements with 2 states, which may allow licensed contractors to skip certain exams.
- EPA 608 certification required for refrigerant handling
Frequently Asked Questions
Does Montana require a contractor license?
Yes, Montana requires statewide licensing for 2 of 5 trades: electrician, plumber. General Contractor and HVAC Technician and Roofing Contractor do not require a statewide license.
How much does a contractor license cost in Montana?
Initial licensing costs range from $270 to $310 depending on the trade, including application, exam, and license fees.
Does Montana have license reciprocity with other states?
Yes, Montana has reciprocity agreements with 2 states. Licensed contractors from these states may be eligible to skip certain exams or have an expedited application process.
What trades require a state license in Montana?
Montana requires statewide licenses for: electrician, plumber. General Contractor and HVAC Technician and Roofing Contractor licensing is handled at the local level.
Do I need workers compensation insurance in Montana?
Workers compensation required for all contractors with employees. Independent contractors without employees may be exempt but can voluntarily register.
Official Montana Licensing Resources
- Montana State Electrical Board (MSEB) — for electrician
- Montana Board of Plumbers (MBP) — for plumber