Plumber license in Montana
Montana requires a state-level plumber license.
Required license type
Montana requires construction contractors with employees to register through the Department of Labor & Industry's Independent Contractor Central Unit. Electrical, plumbing, and HVAC are licensed separately by DLI's Business Standards Division.
Application requirements
Working as a plumber in Montana typically requires submitting an application packet to the Montana Board of Plumbers — including proof of experience, exam scores, and insurance.
- Proof of relevant trade experience or apprenticeship hours
- Passing score on the state trade exam(s)
- General liability insurance + workers' comp
- Surety bond filed with the board (when required)
- Business entity registration with the Secretary of State
- Background check + license fee submitted with packet
This is the standard packet most U.S. state boards require. Verify the exact list with the Montana Board of Plumbers before applying — requirements change by trade classification.
Fees and renewal cycle
Total cost to become a licensed plumber in Montana ranges from $175 to $7,000 (typical $1,200). The range covers application + exam fees, bond + insurance premiums, and the first year of business registration.
Most state boards renew on a 1-3 year cycle and require continuing education credits. Verify the exact renewal window and CE requirement with the Montana Board of Plumbers — late renewal typically triggers a reinstatement fee.
Reciprocity with neighboring states
Montana borders 4 other launched states ProFix Directory tracks. Reciprocity is set by each state board individually — check the destination state for the current rule before relying on it.
Where to apply
Montana Board of Plumbers
Board phone: +1-406-444-2511
Montana requires construction contractors with employees to register through the Department of Labor & Industry's Independent Contractor Central Unit. Electrical, plumbing, and HVAC are licensed separately by DLI's Business Standards Division.
Why ProFix verifies every plumber
Every pro we list in Montana is matched against the Montana Board of Plumbers record, the Secretary of State business registry, and OSHA inspection data. We surface license status, revocation history, and bond filings on every profile so homeowners can shortlist verified pros without trusting a single review-platform score.
Common questions
- Do I need a plumber license in Montana?
- Montana requires plumber contractors to hold a Montana Plumber license from the Montana Board of Plumbers. Apply through https://boards.bsd.dli.mt.gov/plumbers/ with a typical $1,200 total fee (range $175-$7,000) and a 1-3 year renewal cycle. Verify the exact classification with the board before submitting.
- Which board handles plumber licensing in Montana?
- Montana Board of Plumbers is the relevant authority shown in the Montana licensing seed for this page. The verification or application URL in the loader is https://boards.bsd.dli.mt.gov/plumbers/.
- How much does a plumber license cost in Montana?
- The recorded licensing cost range is $175-$7,000, with a typical total around $1,200. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.
- What requirements should Montana plumber applicants verify?
- Montana requires construction contractors with employees to register through the Department of Labor & Industry's Independent Contractor Central Unit. Electrical, plumbing, and HVAC are licensed separately by DLI's Business Standards Division.
- Are Montana plumbers licensed?
- Yes. The Montana Board of Plumbers licenses Apprentice, Journeyman, and Master Plumbers.
Hand the question to your preferred assistant — it will use ProFix Directory's open MCP server and llms.txt as context.
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