Journeyman Plumber License in Minnesota
To become a Journeyman Plumber in Minnesota, one must complete 7000 hours of state-approved practical training, pass the required examination, and obtain licensure from the Minnesota Department of Labor and Industry. The process typically takes 4-5 years based on full-time apprenticeship. Key steps include verifying prerequisites, completing training, passing an exam, and applying for licensure.
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With a median salary of $79,930 per year and a projected national job growth rate of 4.5% by 2034, a career as a Journeyman Plumber in Minnesota offers both stability and lucrative opportunities. This growth is reflective of the broader demand for skilled tradespeople capable of maintaining and expanding essential infrastructure. Given these statistics, pursuing a Journeyman Plumber License in Minnesota is not only a secure career choice but also a financially rewarding one, with earnings significantly above the national median for all occupations.
Minnesota's regulations and unique healthcare environment significantly influence the plumbing industry. State-specific licensing requirements ensure that all practicing plumbers meet high standards of professionalism and technical expertise, which are critical in a state known for its rigorous healthcare standards and extensive medical facilities. Major employers in Minnesota, including large healthcare systems and construction firms, consistently demand skilled plumbers for both development projects and maintenance roles, contributing to the state's robust job market for licensed plumbers.
This guide provides an in-depth look at the steps required to obtain a Journeyman Plumber License in Minnesota, including the necessary education, apprenticeship, and examinations. Readers will gain insight into salary expectations and job market trends specific to Minnesota, helping them to realistically prepare for their future in this field. Additionally, the guide addresses the practical aspects of working as a licensed plumber in Minnesota, from understanding state-specific regulations to navigating job opportunities across different regions within the state.
Licensing Authority
Minnesota Department of Labor and Industry
In Minnesota, the Journeyman Plumber License requires a combination of education, training, and examination. Applicants must meet specific training hours, pass a comprehensive exam, and fulfill continuing education for license renewal.
Official Resources
Minnesota Requirements
Training Requirements
- Education
- High school diploma or equivalent
- Total Training Hours
- 7000 hours
- Classroom Hours
- 0 hours
- Clinical Hours
- 0 hours
- Minimum Age
- 18 years old
Additional Requirements
- Background check (State and federal) with fingerprinting
- Completion of a registered apprenticeship program
Certification Exam
- Exam
- Minnesota Journeyman Plumber Exam
- Components
- Written, Skills demonstration
- Fee
- Varies by testing service
How to Become a Journeyman Plumber License in Minnesota
tuition $0 (employer-sponsored), exam fee $50-$100, background check $50, application fee $50, textbooks/supplies $50-$100
Fastest Path
4 years
Typical Timeline
5 years
Estimated Cost
$0–$300
Verify You Meet Minnesota's Prerequisites
Begin by confirming you meet the minimum requirements for plumbing apprenticeship in Minnesota. You must be at least 18 years old and have a high school diploma or GED. Visit the Minnesota Department of Labor and Industry website to download the necessary forms and check additional requirements. Processing times are typically 1-2 weeks.
Tip
Order your high school transcript online through Parchment.com ($15) to avoid a 2-week mail delay from your school's registrar office.
Complete a Background Check
Minnesota requires a state and federal background check for all plumbing apprentices. Visit your local police station for fingerprinting services, which typically cost around $50. Expect the background check results within 4-6 weeks. Disqualifying offenses and waiver applications are listed on the Minnesota Department of Labor and Industry website.
Tip
Schedule your fingerprinting appointment early to avoid delays.
Find an Approved Training Program
Locate a state-approved plumbing apprenticeship program through the Minnesota Department of Labor and Industry's website. Attending a non-approved program will render your training invalid for licensure. Approved programs typically offer 7000 hours of on-the-job training with no classroom hours required.
Tip
Ensure the program's accreditation status is current to avoid future complications.
Enroll in and Complete Your Training
After choosing an approved apprenticeship program, complete the enrollment process as directed by the program provider. The training consists of 7000 hours of practical experience, typically completed over 4-5 years. There are no classroom or clinical hours required.
Tip
Keep a detailed log of your hours; this will be required for your licensure application.
Prepare for the Journeyman Plumber Exam
Begin preparing for the Journeyman Plumber examination by reviewing the Minnesota Plumbing Code and practical plumbing skills. The exam, administered by the Minnesota Department of Labor and Industry, consists of written questions with a focus on regulations and hands-on skills. Use study guides and past exam papers available online.
Tip
Regular review sessions and practice exams will help solidify your understanding of the material.
Register for and Schedule the Exam
Once you are ready, register for the Journeyman Plumber examination through the Minnesota Department of Labor and Industry's website. Select a test date and pay the examination fee. Ensure you have all required personal identification and materials as specified on the registration form.
Tip
Choose a test date that gives you ample time for last-minute review and travel arrangements.
Take and Pass the Exam
On the day of the exam, arrive early with all necessary materials. The exam includes both theoretical questions and practical assessments. After completion, results are typically available within 2-4 weeks. If you fail, you can reschedule for a future date with an additional fee.
Tip
Ensure a good night's rest before the exam and arrive early to avoid any last-minute stress.
Apply for State Certification
Following a successful examination, apply for your Journeyman Plumber license through the Minnesota Department of Labor and Industry. Submit your application along with any required documentation and the licensing fee. Processing times can vary, but expect to receive your license within 4-6 weeks.
Tip
Double-check your application for any errors to avoid processing delays.
Verify Your License and Start Your Career
Once your license is issued, verify it through the Minnesota Department of Labor and Industry's online verification system. Now you can start applying for plumbing positions. Most new journeymen start with local construction or plumbing companies to gain further experience.
Tip
Networking with other professionals in the industry can help you find job opportunities more quickly.
Common Mistakes to Avoid
- •Attending a training program not on the Minnesota Board of Plumbing approved list. You will complete the program but be unable to sit for the state competency exam, wasting both your time and tuition money.
What to Expect on Exam Day
Minnesota Journeyman Plumber License Exam administered by Minnesota Department of Labor and Industry
Written Test
Questions: 100
Time Limit: 3 hours
Format: Multiple choice
Passing Score: 70%
- • General Regulations: 15%
- • Plumbing Fixtures: 10%
- • Water Heaters: 10%
- • Water Supply and Distribution: 10%
- • Sanitary Drainage Systems: 15%
- • Indirect and Special Wastes: 5%
- • Vents and Venting: 10%
- • Traps, Interceptors, and Separators: 5%
- • Storm Drainage Systems: 5%
- • Plumbing Mathematics: 15%
Skills Test
Skills Tested: 0
Time Per Skill: N/A
There is no skills test component for the Minnesota Journeyman Plumber License Exam.
What to Bring
- ✓ Government-issued photo ID (e.g., driver's license, passport)
- ✓ Admission ticket or confirmation number
- ✓ Two No. 2 pencils
- ✓ Approved calculator (non-programmable, non-graphing)
Do Not Bring
- ✗ Personal electronic devices (cell phones, smart watches, tablets)
- ✗ Books or reference materials
- ✗ Food or drink (except water in a clear bottle)
- ✗ Hats or hoods (except religious headwear)
Day-of Timeline
Arrive 30 minutes early. Check-in takes 15 minutes. Written test is 3 hours. There is no break as there is no skills test.
Getting Your Results
Results are typically available online within 2-3 weeks after the exam date. Candidates will receive an email notification with instructions on how to access their score.
If You Don't Pass
If you fail, you can retake the exam after 30 days. The cost of a retake is the same as the initial exam fee. There is no limit on the number of attempts allowed in Minnesota.
Exam Strategies
- 1. Focus on the topics with the highest percentage of questions such as General Regulations and Plumbing Mathematics.
- 2. During the exam, mark questions you are unsure about for review, but ensure to answer all questions as there is no penalty for guessing.
- 3. Practice using the approved calculator prior to the exam to ensure efficiency and familiarity.
- 4. Read each question carefully, paying special attention to words like 'not' or 'except', which can completely change what the question is asking.
Document Checklist
Every document you need from start to finish
1Before Training
High School Diploma or GED
Original issuing institution · Varies (typically $0-$50 for duplicates) · 1-4 weeks
Required to prove educational background
Social Security Card
Social Security Administration · 1-2 weeks
Needed for identity verification
Driver's License or State ID
Minnesota Department of Public Safety · Varies · Immediately upon renewal or application
Proof of residency and identity
Criminal Background Check
Minnesota Bureau of Criminal Apprehension · Approximately $15 · 3-5 business days
Ensure eligibility for licensure
2During Training
Apprenticeship Registration
Minnesota Department of Labor and Industry · Immediate upon application
Register as an apprentice plumber
Proof of Ongoing Education
Training provider · Included in course fees · At end of each training session
Document hours and content of training received
First Aid and CPR Certification
American Red Cross or similar provider · Approximately $70 · Varies by class availability
Required for safety compliance
Tuberculosis Test Results
Local clinic or health provider · Approximately $20-$50 · 1-3 days after testing
Some employers or unions may require this for health and safety reasons
3For the Exam
Exam Application Form
Minnesota Department of Labor and Industry website
Must be submitted and approved before scheduling the exam
Exam Fee
Payable to the exam provider · Approximately $100
Required to sit for the licensing exam
Photo ID
Bring on exam day · No additional cost if already obtained
Verification of identity on exam day
4For Certification
Journeyman Plumber License Application
Minnesota Department of Labor and Industry · Approximately $50
Submit after passing the exam to receive license
Proof of Exam Passage
Exam provider · Included in exam fee
Official results needed for license application
Employment Verification
Current or past employers
Document required hours of practical experience
After You're Certified: What's Next
Verify your license status on the Minnesota Department of Labor and Industry website. Collect your physical Journeyman Plumber certificate from the relevant office.
Finding Your First Job
Where to Look
- • MinnesotaWorks.net
- • Indeed.com with filters set to Minnesota
- • Local union job boards such as the United Association (UA) Local 15
Best Employers for New Grads
- • Commercial construction companies, residential plumbing services, local government and municipalities. Expect varying work hours in construction versus more stable hours in residential services.
Resume Tip: List your Journeyman license, any relevant apprenticeship experience, key plumbing skills (e.g., pipe installation, troubleshooting), and safety certifications.
Interview Tip: Prepare to discuss your apprenticeship experience, how you handle unexpected challenges, and your approach to customer service.
Expected First-Year Salary
Typically between $40,000 and $55,000, depending on employer and work hours.
Career Advancement Path
Master Plumber License
Accumulate required working hours as a Journeyman and pass the Master Plumber exam.
Challenges to Prepare For
- • Adapting to varied job site conditions, managing client expectations, staying updated with local building codes.
Journeyman Plumber License Salary in Minnesota
In Minnesota, Journeyman Plumber salaries are significantly higher than the national average, reflecting the specialized skills and demand in the state. The state median salary is $79,930 per year, which is markedly above the national median.
Entry Level
$55,000
0-1 years experience
Median Salary
$79,930
$38.43/hr · Bureau of Labor Statistics
Experienced
$95,000
5+ years experience
Compared to National Median
$61,550 national · ++29.9% in Minnesota
Salary by Metro Area
Highest concentration of plumbers
Rates align closely with state average
Slightly below state average but competitive
Salary by Employer Type
Minnesota's cost of living is moderate compared to coastal states, making the higher wages for plumbers more beneficial in terms of real purchasing power.
Benefits & Compensation
Common benefits include health insurance, retirement plans, and paid leave. Union membership often provides additional security and benefits.
Salary Growth Outlook
Salary growth is expected as experience increases, with potential further boosts from specialization or management roles.
Salary Negotiation Tips
- •Research average salaries in your specific Minnesota region
- •Highlight specialized skills or certifications
Job Market in Minnesota
Minnesota's job market for Journeyman Plumbers is experiencing steady demand, driven by a robust construction sector and aging infrastructure needing upgrades. The national growth rate is projected at 4.5% from 2024 to 2034, and Minnesota is expected to align closely with this trend. Factors such as urban expansion and regulatory changes requiring specific plumbing standards contribute to local demand.
Top Hiring Areas
High concentration of construction projects
Growth due to healthcare facility expansions
Top Hiring Industries
Best time to apply: Spring and early summer, aligning with construction season peaks
Opportunities
- Specialization in green plumbing technologies
- Continued education in smart home plumbing systems
Challenges
- Shortage of skilled labor
- Compliance with evolving state and local regulations
Training Programs in Minnesota
Minnesota offers several pathways for obtaining a Journeyman Plumber License through community colleges, vocational schools, and employer-sponsored programs. Each pathway provides unique advantages and challenges, tailored to different learning styles and career goals.
Program Types Comparison
| Type | Duration | Cost | Format | Pros / Cons |
|---|---|---|---|---|
| Community College | 2 years | $5,000 - $15,000 | In-person/Hybrid |
|
| Vocational/Trade School | 1-2 years | $10,000 - $20,000 | In-person |
|
| Employer-Sponsored | 4-5 years | Free | On-the-job |
|
Top Programs
Saint Paul, Minnesota
Highly accessible location with modern facilities
Online & Hybrid Options
Some community colleges and vocational schools offer hybrid formats combining online theory classes with in-person practical training.
How to Choose a Program
- •Verify the program's accreditation and approval by the Minnesota Department of Labor and Industry.
Financial Aid & Free Training
Get free Journeyman Plumber License program info for Minnesota
Renewal Requirements
Renewal Period
Every 2 years
Renewal Fee
$48
CE Hours
16 hours
Work requirement: None specified
CE Topics: Code update, Industry related topics
Out-of-State Reciprocity
Minnesota offers reciprocity for plumbers licensed in states with equivalent requirements. Applicants must verify their current license and may need to pass the Minnesota state plumbing exam.
Requirements for Reciprocity
- Proof of current licensure in reciprocating state
- Verification of work experience
State Agreements
Specific states are not listed; contact the board for details.
Additional Exams
Possibly required
Application Process
Submit an application for licensure by reciprocity along with supporting documents.
Fees
Varies based on evaluation
Processing Time: 4-6 weeks
Licensing Tips
Ensure all training hours are documented and verified by the training program.
Review the latest Minnesota Plumbing Code updates before the exam.
Recommended Resources
Minnesota Journeyman Plumber Practice Exam
A comprehensive set of practice questions and answers designed to mirror the actual Minnesota plumber certification exam.
Journeyman Plumber Exam Questions and Answers
This resource offers a detailed review of typical exam questions, updated annually to reflect current standards and regulations.
Minnesota Plumbing Code, Edition
Official guide detailing the plumbing codes and regulations specific to Minnesota, vital for passing the state's licensure exams.
Plumber's Handbook Revised
A guide that covers all aspects of plumbing from basic repairs to advanced system installations, useful for journeymen and apprentice plumbers alike.
RIDGID 31010 Model 10 Heavy-Duty Straight Pipe Wrench, 10-inch
Essential for gripping and turning pipes during hands-on training and examinations.
Channellock 440 Tongue and Groove Pliers
Versatile tool necessary for adjusting and securing pipe fittings, a fundamental skill for plumbers.
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Sources
- Bureau of Labor StatisticsAccessed 2026-02-12
- Minnesota Licensing BoardAccessed 2026-02-12
- CareerOneStopAccessed 2026-02-12