Open-book and closed-book master plumber exam prep across 8 states — official-blueprint curricula for Colorado, Maryland, Delaware, Virginia, New Jersey, Georgia, Texas and Massachusetts, with code navigation drills, system requirements, and timed simulations in each state's real exam format.
Plumbers learn on the job and study in the gaps. MasterPlumberPractice is built for break rooms, tailgates, and lunch trucks — with progress that syncs across every device.
Turn downtime between calls into IPC review that actually sticks.
Short, focused sessions designed for apprentices logging 8,000 hours and journeymen with real schedules.
Stuck on a code section? Ask the AI tutor for a plain-English walkthrough of any IPC rule, table, or calculation.
Analytics show accuracy per IPC chapter, code-navigation speed, and exactly which articles still trip you up.
Field-tested study rhythms that fit between shifts, service calls, and side work.
Spaced repetition keeps IPC code lookups, fixture-unit math, and drainage rules sharp until exam day.
Two scored exams. One open-book code. A study system that mirrors how PSI actually tests you.
Every simulation follows the state board's real subject outline — exact IPC knowledge and calculations quotas per chapter, no random draws, mirroring the open-book exam experience.
See your accuracy by IPC chapter — from code administration through traps and storm drainage — plus per-question speed and a readiness score you can trust.
Work through the IPC in order — code administration, materials and joints, fixtures, water heaters, supply and drainage, then vents and traps — or jump straight to your weak spots.
Questions scale up as your code navigation improves, so every session pushes you a little further.
Every question explains the why and cites the exact IPC article or table, so you learn the code instead of memorizing answers.
The AI watches your simulations and serves the questions you need next — like a tutor who already graded your last attempt.
A straight path from the first page of the IPC to exam day.
Learn the IPC chapter map and the Article 90, 100, and 110 conventions — the index-first lookup habits every open-book exam rewards.
Practice code lookup, fixture-unit, pipe-sizing and drainage questions with the IPC open, then review every explanation and its reference.
Take timed, full-length simulations of your state's exam and score yourself against its real pass line until it feels routine.
MasterPlumberPractice prepares you for the open-book US master plumber exam — International Plumbing Code (IPC) — with realistic simulations that mirror the state board exam format. Select your answer below to see how the code reference works.
How many drainage fixture units (DFUs) does a public lavatory with a 1.4 gpf faucet count as?
The same open-book skills you will use at the test center, built into every drill and simulation.
MasterPlumberPractice pairs every practice question with instant, code-cited explanations, then builds your weak-area drills automatically — no more guessing what to study next.
Ask it anything — Article 90 to the Chapter 9 tables.
From first-year apprentices to licensed contractors, MasterPlumberPractice fits how plumbers actually prepare.
Build the code knowledge behind your 8,000-hour track with drills that map each IPC chapter to the work you do every day.
Structured review for licensed journeymen sitting their state's master plumber exam — open-book IPC code navigation, timed simulations, and calculation practice across every code chapter.
Give students a practice environment that mirrors the real exam format and track class progress chapter by chapter.
Keep your crew licensed and exam-ready with team analytics that show who needs support before exam day.
Journeymen, apprentices, and career changers preparing for their state's exam — open-book International Plumbing Code (IPC), tested by every state board. Northwest.
Austin, TX
"The simulations laid out exactly like PSI, and I finally learned to find answers in the code instead of hoping I remembered them."
Houston, TX
"Pipe sizing finally clicked. Every explanation pointed me back to the article or table, so I was practicing the code itself."
San Antonio, TX
"Ten-minute sessions between service calls added up fast, and the AI tutor explained the tricky code sections the way a good foreman would."
Start free with Chapter 1 of each exam. Upgrade when you are ready to go all in.
Chapter 1 of your state exam — free practice, free theory.
Full access. Cancel anytime.
The best value for full exam prep.
One payment. Yours for good.
Every state board, vendor, code edition and passing score for the master plumber license — researched from the official candidate bulletins.
120 questions · 270 min · open book (IPC/IRC 2021 provided)
Read the guide100 questions · 240 min · open book (IPC + IFGC 2018)
Read the guide100 questions · 3 hours · open book (IPC/IFGC 2018)
Read the guide80 items · 210 min · open book (IPC 2021)
Read the guide100 questions · 195 min · open book (NSPC 2021)
Read the guide120-140 scored · 7 h · closed book (GA IPC/IFGC)
Read the guide308 items · 360 min · closed book (IPC/IFGC or UPC 2018)
Read the guide80 + 40 items · 2 parts · closed book (248 CMR)
Read the guideState-specific simulations and an AI tutor — everything between you and that pass line, in your state's real format.
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