Plumber in Minnesota
Requirements, salary data, licensing costs, and career ROI for MN. Updated with 2024 BLS OEWS wage data.
BLS OEWS 2024, Minnesota.
Jobs (MN)
10-yr job growth
Est. total cost
Time to complete
route How to become a plumber in Minnesota
To become a licensed Journeyworker Plumber in Minnesota, individuals must first register as an Unlicensed Individual with the Minnesota Department of Labor and Industry (DLI) and complete 7,000 hours (four years) of practical plumbing experience. After meeting the experience requirements, applicants must pass the Minnesota Journeyman Plumber Examination. Master Plumbers need an additional year of experience as a licensed Journeyworker Plumber and must pass the Master Plumber exam. Minnesota offers reciprocity for Journeyworker and Master Plumber licenses with North Dakota and South Dakota.
bar_chart Salary percentiles
Source: BLS OEWS 2024 for Minnesota. Metro-area wages may differ significantly from the state aggregate.
checklist Minnesota requirements
| Licensing body | Minnesota Department of Labor and Industry |
| State license | Required |
| Education | High school diploma or GED |
| Experience | 7,000.0 hours |
| Exam | Minnesota Journeyman Plumber Examination ($50) |
| Application fee | $40 |
| Renewal | Every 2.0 years |
| Continuing education | 16.0 hours per cycle |
| Notes | Minimum age for Journeyworker and Master Plumber is 18 years. Master Plumber requires at least one year of practical plumbing experience as a licensed Journeyworker Plumber. The exam is based on the 2020 Minnesota Plumbing Code and requires a score of 70% or higher to pass. Unlicensed individuals must register with the DLI and renew annually with 2 hours of CE. Journeyworker licenses renew by Dec. 31 of odd-numbered years, and Master Plumber licenses renew by Dec. 31 of even-numbered years. |
workspace_premium Minnesota license tiers
Minnesota offers multiple tiers of plumber licensing:
| Tier | Hours required |
|---|---|
| Unlicensed Individual (Apprentice) | N/A |
| Journeyman | 7,000 |
| Master | 8,750 |
work_outline Job outlook
AI & tech impact
This career has low exposure to AI automation. Most tasks require physical presence, human judgment, or hands-on skills that AI cannot easily replicate.
balance Is it worth it?
- check_circleMinnesota license required โ clearer credential signal to employers
- check_circleLow AI disruption risk