How to Get a Plumber License in Montana
Last updated: March 1, 2026
Quick Facts
Education
0 hrs
Total Cost
$363
Governing Body
Montana Department of Labor and Industry — Board of Plumbers
Montana is a growing market driven by lifestyle migration and outdoor recreation, making it an excellent place to start a career as a plumber. Licensing in Montana is overseen by the Montana Department of Labor and Industry — Board of Plumbers. The process does not require any pre-license education hours. You'll need to pass the Montana Journeyman Plumber Exam (administered by PSI) with a score of at least 70%.
Montana does not require any pre-license education hours. The total cost is relatively affordable at $225 to $500, including education, application, and exam fees. Most aspiring plumbers complete the entire process in 4-8 weeks, depending on how quickly they move through the coursework and exam preparation.
MontanaPlumber License Requirements
| Requirement | Details |
|---|---|
| Minimum Age | 18 years old |
| Pre-License Education | 0 hours |
| Degree Required | No |
| Exam Required | Yes — Montana Journeyman Plumber Exam |
| Passing Score | 70% |
| Background Check | No |
| Broker Sponsorship | Not required |
| Application Fee | $50 |
| Exam Fee | $75 |
| Governing Body | Montana Department of Labor and Industry — Board of Plumbers |
| License Reciprocity | None |
Reciprocity:Montana offers reciprocity with states that have equivalent licensing requirements.
Steps to Get Your Plumber License in Montana
- 1
Complete Apprenticeship or Experience Requirement
Must complete 4 years (8,000 hours) of apprenticeship under a licensed master plumber. Most states require 4+ years of on-the-job training under a licensed plumber.
Time: 4-5 years Cost: $100 - 2
Submit Your License Application
Apply through the Montana Department of Labor and Industry — Board of Plumbers. You'll need documentation of your work experience, and the application fee is $50.
Time: 2-6 weeks for processing Cost: $50 - 3
Pass the Montana Journeyman Plumber Exam
Schedule and pass the plumbing licensing exam administered by PSI. You must score at least 70% to pass.
Time: 2-4 weeks to prepare and take Cost: $75 - 4
Obtain Insurance if Required
Some states and employers require liability insurance before you begin working independently. Check the Montana Department of Labor and Industry — Board of Plumbers requirements.
Time: 1-2 weeks - 5
Receive Your Plumber License
Once you've passed the exam and met all requirements, the Montana Department of Labor and Industry — Board of Plumbers will issue your license. You can then legally perform plumbing work in Montana.
Time: 1-4 weeks
Key Things to Know
- Education requirement: Must complete 4 years (8,000 hours) of apprenticeship under a licensed master plumber.. Many providers offer online options, giving you flexibility to study on your own schedule.
- The licensing exam: The Montana Journeyman Plumber Exam is administered by PSI. You'll need to score at least 70% to pass. Study materials and practice exams are available from most education providers.
- Already licensed in another state? Montana offers reciprocity with states that have equivalent licensing requirements.
- Online application available: Montana accepts online applications, which can speed up processing time.
- Ongoing requirements: Once licensed, you'll need 8 hours of continuing education every 1 year. 8 hours of continuing education per renewal period.
How Much Does a Plumber License Cost in Montana?
| Cost Item | Estimated Range |
|---|---|
| Pre-License Education | $300 - $700 |
| Application Fee | $50 |
| Exam Fee | $75 |
| Total Estimated Cost | $225 - $500 |
License Renewal
- Renewal Period: Every 1 years
- Continuing Education:8 hours
- CE Details:8 hours of continuing education per renewal period
- Renewal Fee: $100
Tips for Success
- Choose your education provider carefully: Compare prices, format (online vs. in-person), and reviews. Some providers offer exam prep materials bundled with the course, which can save you money. Check the Montana Department of Labor and Industry — Board of Plumbers website for a list of approved providers.
- Don't rush the exam: Since no pre-license education is required, you can focus directly on the application and exam process. Use practice exams to identify weak areas before scheduling your test date.
- Start with an apprenticeship: Most states require 4-5 years of on-the-job training under a licensed plumber. Union apprenticeships (UA) and non-union programs both offer structured paths with paid training.
- Know your plumbing codes: The licensing exam tests your knowledge of plumbing codes (Uniform or International Plumbing Code). Get the relevant code book for your state and take practice exams before scheduling your test.
- Budget approximately $500 for your Montana license: This includes $50 in application fees, $75 for the exam, and education costs. Once licensed, plan for $100 in renewal fees every 1 year.
Frequently Asked Questions
How long does it take to get a plumber license in Montana?
Most people complete the process in 2-4 weeks total. There are no pre-license education requirements. After completing education, the exam and application process typically adds 2-6 weeks.
How much does it cost to get a plumber license in Montana?
The total cost ranges from $225 to $500, including pre-license education, the application fee ($50), and the exam fee ($75).
Can I get a Montana plumber license with a criminal record?
The Montana Department of Labor and Industry — Board of Plumbers evaluates criminal history on a case-by-case basis. Having a criminal record does not automatically disqualify you, but certain offenses may affect your eligibility. Contact the Montana Department of Labor and Industry — Board of Plumbers for guidance before applying.
Do I need a college degree to become a plumber in Montana?
No. Montana does not require a college degree. No pre-license coursework is required.
Can I take the pre-license courses online in Montana?
Many approved education providers offer pre-license courses online, allowing you to study at your own pace. Check the Montana Department of Labor and Industry — Board of Plumbers website for a list of approved providers.
Sources
Professional Associations & Resources
Connect with these national organizations for career resources, networking, and continuing education.
Plumber in Other States
From Our Blog
10 Highest Paying Licensed Professions in 2026
The 10 highest paying licensed professions in 2026, ranked by median salary. See education requirements, costs, and best states for each career.
10 Easiest Professional Licenses to Get in 2026
The 10 easiest professional licenses to earn in 2026, ranked by education hours and total cost. Find quick-start careers with minimal barriers.
Best ROI Professional Licenses: Low Cost, High Salary
The best return-on-investment professional licenses ranked by salary-to-cost ratio. Find licenses that cost little but pay big.