Free MA Plumber Exam Prep
Massachusetts Journeyman Plumber License Exam
Prepare for the MA Plumber exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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Massachusetts Plumber License License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Licensing, 248 CMR administration & DWVYou are here
Cover M.G.L. c. 142, permits, 6,800-hour experience rules, DFU tables, building drains, storm and special waste in 248 CMR 10.15.
Plumbing vents, water supply & fixtures
Study 248 CMR 10.16 vent types, water sizing and backflow in 10.14, fixtures, valves, and water heaters including T&P rules.
Fuel gas piping, appliances & venting
Work 248 CMR 4.00/5.00 and NFPA 54 methods for CSST, regulators, purging, combustion air, chimneys, and 248 CMR 7 large equipment — the largest PSI written block.
Part II isometrics & trade math
Practice closed-book isometric takeoffs, gas piping/venting practical items, offsets, grade, and timed 160-minute Part II stamina.
Can You Take the MA Plumber Exam?
Check if you meet the basic eligibility requirements
- •Apply online through DOL eLIPSE (mailed applications are returned)
- •Upload Education Verification Form, Statement of Experience signed by the supervising master, 2x2 photo, and notarized CORI acknowledgement
- •Pay the $31 non-refundable Board application fee
- •After Board approval, schedule the PSI exam ($80 administration fee) at https://test-takers.psiexams.com/maplu
- •Pass both independent parts at 70% or higher, then pay the $52 license fee through eLIPSE
MA Plumber Quick Facts
Time to Get Licensed
10-14 weeks for most candidates
From start to license in hand
Exam Provider
PSI Services LLC for the Massachusetts Board of State Examiners of Plumbers and Gas Fitters
Retake Policy
Each part is scored independently; retake only the failed part. Journeyman candidates have 12 months from application approval and up to six attempts, then must petition the Board in writing. Passing scores are valid for one year only. Master plumber exams have no attempt cap.
Total Cost Breakdown
Free MA Plumber Prep Tools
Reported exam pass rate: Massachusetts does not publish an official journeyman plumber pass rate.. These figures describe exam candidates, not OpenExamPrep user outcomes. Check the exam sponsor’s website for published statistics.
Independent Practice Bank
Massachusetts-specific practice covering 248 CMR plumbing, fuel gas, DWV, and isometric skills
AI-Powered Learning
Get explanations that point to 248 CMR and Massachusetts fuel gas rules, not IPC defaults
2026 Updated
Review the PSI two-part outline and 248 CMR 10.00 as effective December 8, 2023
Free Access
Independent Massachusetts journeyman plumber practice and this study guide are free
What You'll Study
16 chapters covering the exam topics in this guide
Massachusetts Licensing, Permits & Exam Process
3 sections
Fuel Gas Code, Materials & Pipe Sizing
3 sections
CSST, Regulators, Testing & Purging
3 sections
Combustion Air, Appliances & Large Equipment
3 sections
Appliance Venting Categories, Draft & Chimneys
3 sections
Gas Vent Sizing & Part II Gas Practical
3 sections
Traps, Cleanouts & Joints
3 sections
Fixtures, Valves & Water Heaters
3 sections
Water Supply, Backflow & Temperatures
3 sections
Hangers, DWV Materials & Storm Drainage
3 sections
Sanitary Drainage Sizing
3 sections
Indirect Waste, Special Waste & Plumbing Vent Principles
3 sections
Plumbing Vent Types & Terminations
3 sections
Interceptors, Separators & Holding Tanks
3 sections
Part II Trade Calculations
3 sections
Part II Isometric Analysis
3 sections
MA Plumber Exam Details
Massachusetts Journeyman Plumber License Exam
Administered by Massachusetts Board of State Examiners of Plumbers and Gas Fitters
Exam Content Breakdown
Based on the official Massachusetts Board of State Examiners of Plumbers and Gas Fitters content outline
21 written plus 7 practical items on gas design, materials, CSST, underground piping, regulators, testing and purging, combustion air, appliances, and 248 CMR 7 equipment over 400,000 BTU.
12 written plus 8 practical items on positive vs non-positive venting, natural draft, chimneys, vent sizing, and vent materials under NFPA 54 as amended by 248 CMR 5.00.
20 Part II items on isometric drawings, takeoffs, and plan analysis for plumbing and gas systems.
13 written items on DWV materials, storm drainage, sanitary sizing, indirect waste, special waste, and 248 CMR 10.16 plumbing vents.
14 written items on water materials and sizing, backflow, water temperatures, water heaters under M.G.L. c. 142, valves and controls, and fixture clearances.
9 written items on M.G.L. c. 142, 248 CMR 3.00–11.00 administration, permits, inspections, and excavation safety.
16 items covering grease interceptors, holding tanks, oil/sand separators, traps and cleanouts, joints, hangers, and Part II trade calculations.
What's Included
16 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 MA Plumber?
After passing the MA Plumber, you can pursue these career paths
Massachusetts Master Plumber
After journeyman licensure, Massachusetts master plumber candidates need documented journeyman experience (1,700 clock hours in 248 CMR 11.02) and Tier Five education if it was not already completed as an apprentice, then a separate two-part PSI master exam.
MA Plumber Exam FAQ
Official Massachusetts Board of State Examiners of Plumbers and Gas Fitters Resources
Verify information with these official sources
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