100+ Free MD Plumber Practice Questions
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Key Facts: MD Plumber Exam
70%
Passing Score
Maryland Board of Plumbing
80-100
Exam Questions
PSI exam format
3 hrs
Time Limit
PSI
IPC
Code Base
Maryland adoption
The Maryland journeyman plumber exam is administered through PSI and overseen by the Board of Plumbing. The exam has approximately 80-100 multiple-choice questions with a 3-hour time limit, requiring 70% to pass. Maryland uses the International Plumbing Code (IPC). Exam fees are relatively low at $15-$70 depending on the license type and jurisdiction.
About the MD Plumber Exam
Maryland journeyman plumber licensing exam administered by PSI and overseen by the Board of Plumbing. Based on the International Plumbing Code (IPC) covering drainage systems, water supply, venting, fixtures and appliances, gas piping, materials, and code administration. Approximately 80-100 multiple-choice questions with a 3-hour time limit.
Questions
90 scored questions
Time Limit
3 hours
Passing Score
70%
Exam Fee
$15-$70 (Maryland Board of Plumbing)
MD Plumber Exam Content Outline
Drainage Systems
Drain pipe sizing, DFU calculations, slope requirements, cleanouts, building sewers, indirect waste, and special drainage systems per IPC
Water Supply Systems
Water pipe sizing, WSFU calculations, backflow prevention, pressure regulation, water heaters, cross-connection control, and potable water protection
Venting Systems
Vent sizing, wet venting, circuit venting, air admittance valves, vent termination, combination waste and vent, and trap seal protection
Fixtures & Appliances
Fixture installation requirements, clearances, accessible fixtures, commercial fixtures, water closets, lavatories, showers, and bathtubs
Gas Piping
Gas pipe sizing, BTU calculations, appliance venting, pressure testing, combustion air, and fuel gas code compliance
Code Administration & Materials
Permits, inspections, plan review, approved materials, pipe materials, joint methods, hangers and supports, and Maryland-specific regulations
How to Pass the MD Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 90 questions
- Time limit: 3 hours
- Exam fee: $15-$70
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
MD Plumber Study Tips from Top Performers
Frequently Asked Questions
How hard is the Maryland journeyman plumber exam?
The Maryland journeyman plumber exam is moderately challenging with an estimated 55-65% pass rate. The exam has approximately 80-100 questions based on the IPC and requires 70% to pass. Strong knowledge of pipe sizing, DFU calculations, and venting requirements is essential.
What plumbing code does Maryland use?
Maryland uses the International Plumbing Code (IPC) for its journeyman plumber exam. A clean, bound copy of the IPC is typically allowed as a reference during the PSI-administered exam. Check with the Board of Plumbing for the current adopted edition.
How much does the Maryland plumber exam cost?
The Maryland journeyman plumber exam fees range from $15 to $70 depending on the specific license type and jurisdiction. Maryland has some of the lowest plumber exam fees in the country. Check with the Board of Plumbing for the current fee schedule.
What are the experience requirements for Maryland journeyman plumber?
Maryland requires completion of a plumbing apprenticeship or equivalent experience under a licensed master plumber. Contact the Maryland Board of Plumbing for detailed eligibility requirements, approved experience documentation, and application procedures.