Plumber in Maryland
Requirements, salary data, licensing costs, and career ROI for MD. Updated with 2024 BLS OEWS wage data.
BLS OEWS 2024, Maryland.
Jobs (MD)
10-yr job growth
Est. total cost
Time to complete
route How to become a plumber in Maryland
To become a Journey Plumber in Maryland, individuals must complete a registered apprenticeship program, which typically takes four years and includes 7,500 hours of experience and 32 hours of backflow prevention training. After meeting the experience requirements, applicants must pass the Maryland Journey Plumber/Gas Fitter Examination. The licensing body is the Maryland State Board of Plumbing. Maryland offers reciprocity for Master Plumber/Gasfitter licenses with Delaware, and for both Journeyman and Master Plumber/Gasfitter licenses with Baltimore County, the Washington Suburban Sanitary Commission (WSSC), and the District of Columbia.
bar_chart Salary percentiles
Source: BLS OEWS 2024 for Maryland. Metro-area wages may differ significantly from the state aggregate.
checklist Maryland requirements
| Licensing body | Maryland State Board of Plumbing |
| State license | Required |
| Education | Completion of a registered apprenticeship program. |
| Experience | 7,500.0 hours |
| Exam | Maryland Journey Plumber/Gas Fitter Examination ($65) |
| Application fee | $44 |
| Renewal | Every 2.0 years |
| Notes | Minimum age for an apprentice license is 16 years old. To become a Master Plumber, an individual must hold a Journey Plumber license for at least two years and complete an additional 3,750 hours of training under a licensed Master Plumber. Master Plumbers are also required to carry general liability insurance ($300,000) and property damage insurance ($100,000). |
Source: Maryland State Board of Plumbing
workspace_premium Maryland license tiers
Maryland offers multiple tiers of plumber licensing:
| Tier | Hours required |
|---|---|
| Apprentice | N/A |
| Journey | 7,500 |
| Master | 11,250 |
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_circleMaryland license required — clearer credential signal to employers
- check_circleLow AI disruption risk