Maryland plumber exam
Maryland plumbing exams cover eligibility, vendor, references, and retakes. Confirm the current candidate bulletin on the board source before you book.
Verified on: 2026-09-14 · Board source
From the board
- Taking the Exam - Maryland Board of Plumbing - Division of Occupational and Professional Licensing # Taking the Exam - Plumbing Before you can apply for a Master Plumber/Gas Fitter, Master Natural Gas Fitter, Journeyman Plumber/Gas Fitter, or Journeyman Natural Gas Fitter li…
- PSI Examination Services provides all testing for the MD State Board of Plumbing.
- PSI has testing centers located in Baltimore, College Park, Hagerstown, Lanham, and Salisbury.
- Board page: Taking the Exam - Plumbing - Maryland Department of Labor
Who can schedule
- Most boards require an approved application or eligibility letter before you book
- Name on the exam roster must match your license application exactly
- Confirm the authorization window — many expire in 90 days to one year
What to expect
- Trade and/or business-and-law content depending on the class
- Open-book or closed-book rules and allowed references are class-specific
- Download the current candidate bulletin from the board or exam vendor
Related: Renewal and CE · Get licensed
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