Free MD Plumber Exam Prep
Maryland Journeyman Plumber License Exam
Pass your MD Plumber exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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Maryland Plumber License License: Complete Roadmap
Follow this path to maximize your chances of passing on the first try
IPC Fundamentals & DrainageYou are here
Master IPC code structure, definitions, drainage systems, and DFU calculations
Water Supply & Backflow Prevention
Cover water pipe sizing, WSFU calculations, backflow prevention, and cross-connection control
Venting, Fixtures & Gas Piping
Study vent sizing methods, fixture requirements, gas pipe sizing, and appliance venting
Materials, Administration & Timed Practice
Review approved materials, Maryland regulations, permits, and complete timed practice exams
Can You Take the MD Plumber Exam?
Check if you meet the basic eligibility requirements
- •Submit application to the Maryland Board of Plumbing
- •Pay exam fee of $15-$70
- •Schedule exam through PSI
- •Bring clean, bound copy of IPC
MD Plumber Quick Facts
Time to Get Licensed
8-12 weeks for most candidates
From start to license in hand
Retake Policy
Contact the Maryland Board of Plumbing for retake policies. Additional fees apply for each attempt.
Total Cost Breakdown
Free MD Plumber Prep That Actually Works
The official pass rate is Estimated 55-65%; Maryland does not publish official pass rate data for the journeyman plumber exam.. Our students do better.
100 Practice Questions
Maryland-specific questions covering IPC code, DWV sizing, venting, water supply, and gas piping
AI-Powered Learning
Get instant explanations with IPC code references for every practice question
2026 Updated
Aligned to current IPC edition as adopted by Maryland for plumber licensing
Free Access
All 100 Maryland plumber practice questions are free — no account required
What You'll Study
14 chapters covering everything you need to pass
Chapter 1: Maryland Licensing, Code Administration & the Exam
2 sections
Chapter 2: Job-Site Safety & OSHA 29 CFR 1926
3 sections
Chapter 3: Materials, Uses & Specifications
3 sections
Chapter 4: Sanitary Drainage & Waste Piping
4 sections
Chapter 5: Venting Systems
4 sections
Chapter 6: Traps, Interceptors & Backwater Valves
2 sections
Chapter 7: Water Supply & Distribution Systems
4 sections
Chapter 8: Backflow Prevention & Cross-Connection Control
5 sections
Chapter 9: Fuel Gas Fundamentals, Materials & Pipe Sizing
5 sections
Chapter 10: Gas Piping Installation, Testing & Purging
5 sections
Chapter 11: Gas Appliance Venting & Combustion Air
5 sections
Chapter 12: Gas Appliance Installation & Service
3 sections
Chapter 13: Plumbing Fixtures, Fittings & Appliances
3 sections
Chapter 14: Plumbing Mathematics
3 sections
MD Plumber Exam Details
Maryland Journeyman Plumber License Exam
Administered by Maryland Board of Plumbing
Exam Content Breakdown
Based on the official Maryland Board of Plumbing content outline
Drain pipe sizing, DFU calculations, slope requirements, cleanouts, and building sewers per IPC.
Water pipe sizing, backflow prevention, pressure regulation, water heaters, and cross-connection control.
Vent sizing, wet venting, circuit venting, air admittance valves, and vent termination requirements.
Fixture installation, clearances, accessible fixtures, and commercial fixture requirements.
Gas pipe sizing, BTU calculations, appliance venting, and pressure testing.
Permits, inspections, approved materials, joint methods, and Maryland-specific regulations.
What's Included
14 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
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What's Next After the MD Plumber?
After passing the MD Plumber, you can pursue these career paths
MD Plumber Exam FAQ
Official Maryland Board of Plumbing Resources
Verify information with these official sources
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