West Virginia Master Plumber Exam Preparation: Design Authority, a Twelve-Month Gate, and One Hundred Questions on the 2018 Codes

West Virginia licenses the Master Plumber as an individual license through the Division of Labor, under the Commissioner of Labor — there is no plumbers’ examining board in this state. The master examination, delivered through Prov, presents 100 questions in 180 minutes, open book, on the 2018 International Plumbing Code and the 2018 International Fuel Gas Code, with 70% to pass as printed. A journeyman may not sit for it until twelve months after passing the journeyman examination. The PassProfessor West Virginia Master Plumber program prepares candidates for that examination and for the design and supervisory responsibility it carries.

This program is part of the expanding PassProfessor catalog — join the notify list and we’ll email you when enrollment opens.

What this credential certifies

A West Virginia master plumber is, in the statute’s own terms, a person competent to design plumbing systems, and to instruct and supervise the plumbing work of journeyman plumbers and plumbers in training. Read that definition slowly, because it is the whole page in one sentence. The journeyman credential certifies examined competence in the work itself; the master credential certifies something further — the judgement to lay out a system before anyone picks up a tool, and the authority to direct other plumbers while it is built. The license it leads to is the top individual plumbing license in the Division of Labor program.

The regulator matters here, because West Virginia organises this trade differently from board states. Authority sits with the Commissioner of Labor, in the West Virginia Division of Labor, under W. Va. Code chapter 21, article 14 — the Supervision of Plumbing Work article — implemented by rule 42 CSR 32. There is no plumbers’ examining board to apply to, petition, or wait on; everything here runs through the Division and its examination vendor, Prov.

One distinction must be held throughout. The Plumbing Contractor classification, administered by the Contractor Licensing Board, is a separate entity — business — license under a different act. It is not this credential and not a higher rung of this ladder; this page covers the individual Master Plumber license only. The companion West Virginia Master Plumber Exam Guide works through the route and the study method in full.

The examination at a glance

ItemVerified position
ProgramWest Virginia Master Plumber — individual license
RegulatorCommissioner of Labor, West Virginia Division of Labor (W. Va. Code ch. 21, art. 14; 42 CSR 32) — no plumbers’ board
Examination vendorProv, Inc. — register directly with Prov; no Division pre-approval
Questions / time100 questions / 180 minutes
Passing standard70% to pass, as printed
Book statusOpen book
Codes tested2018 International Plumbing Code (IPC) + 2018 International Fuel Gas Code (IFGC) — tested = adopted
Additional referencePlumbing Basics for Contractors, 4th Edition
Examination fee$59.00, paid to Prov at registration
License fee / term$75.00, annual — filed with the application after passing
Eligibility gateNo master sitting until 12 months after passing the journeyman examination
Practical componentNone — Isometrics (13 questions) is analysis inside the written examination
RetakesNo limit on attempts; no required waiting period
Continuing educationNone required for this license
SupervisionNo more than three plumbers in training per licensed master or journeyman
Separate programPlumbing Contractor classification (Contractor Licensing Board, entity license) — a different program
Administrator notePassProfessor is independent and is not affiliated with the West Virginia Division of Labor or with Prov

The gate: twelve months, and nothing else counted in hours

West Virginia’s master gate is unusually clean, the result of a deliberate change in the law. The single temporal qualification current law states is this: the master examination may not be taken until one year after passage of the journeyman examination — restated in the rule as eligibility on the expiration of twelve months from the date of that passage. Count from the pass date, not from the license issue date or the start of journeyman employment.

Just as important is what current law does not state: no numeric experience-hour requirement for the master class — nor for any class in this program — no age floor, and no diploma requirement. Older hour figures still circulating in secondary material were struck from the law in 2021; a candidate who delays a sitting to accumulate hours the state no longer counts is obeying a repealed rule. Master and journeyman applicants must certify experience on the Division’s forms, and that step is real — but no primary source quantifies it beyond the twelve-month gate itself.

The year after the journeyman pass is therefore not dead time; it is the preparation window the statute builds in — and the journeyman who studies across it arrives at eligibility and readiness together.

The sitting: one hundred questions across two codes

The master examination presents 100 questions in 180 minutes, open book, computer-administered through Prov. Its published outline sums to its total, and its shape states what West Virginia thinks a master is. Water Supply and Distribution and Drain, Waste, and Vent Systems carry 14 questions each — the two great systems a master must design, not merely install. Isometrics carries 13, the most distinctive weight in the paper. General Knowledge and Fuel Gas Systems carry 10 each, Plumbing Math 9, Fixtures and Fittings 6, Water Heaters and Safety 7 each, and Storm Drainage and Plumbing Tools 5 each.

Compare that shape with competent installation knowledge, and the master delta appears: sizing a water distribution system, laying out drainage and venting that will work as drawn, reading an isometric and finding the error in it — design-side competence, examined in writing. The fuel gas weight deserves the same respect, in a sitting where gas errors are the least forgiving errors on the page; a plumbing-deep, gas-shallow preparation has misread the published outline.

The time arithmetic is tighter than the journeyman sitting’s: under two minutes a question, in an open-book room, across two codes and a third reference. That pace rewards a candidate who knows the architecture of both books and punishes one who must search. Open book, at master level, tests professional retrieval.

Isometrics needs its own clarification, because the word misleads candidates every cycle. There is no hands-on practical in West Virginia, and no drawing-production component. The thirteen Isometrics questions are analysis inside the written, open-book examination — reading arrangements and reasoning about runs, fittings, and sizes, in writing. A written preparation program can therefore address the whole examined event.

Tested equals adopted: the 2018 editions, and a 2024 edition that is not law for this exam

West Virginia tests the codes it has adopted, at the same editions. The tested references are the International Plumbing Code 2018 and the International Fuel Gas Code 2018, both open book, together with Plumbing Basics for Contractors, 4th Edition. The adopted layer is the same 2018 IPC: the State Building Code at 87 CSR 4 adopts it, incorporated into the licensing rule by reference. Tested equals adopted is a convenience, but it must not blur into edition carelessness: the 2018 editions are the anchor, and a requirement remembered from a newer edition is a mark risk precisely because it feels familiar.

Candidates will encounter talk of a 2024 edition. The position, stated exactly, is this: the 2024 IPC is not adopted in West Virginia and is not tested on this examination. A proposed amendment to the State Building Code that would update references toward more recent editions is in rulemaking only — no legislative authorisation or effective date in any primary source — and rulemaking is not adoption. Preparation anchored to anything other than the 2018 editions is preparation for an examination that does not yet exist. The current bulletin also records, as printed, a permission to bring a book of the test taker’s choosing on signing an acknowledgement and waiver — confirm it with Prov at registration; it is not a reason to study from unlisted editions.

The route: test first with the Division, too

The sequence in this program runs examination before application. There is no Division pre-approval: candidates register directly with Prov, pay the $59.00 examination fee at registration, and sit at one of the six West Virginia Prov centres — Beckley, Charleston, Fairmont, Huntington, Martinsburg, and Wheeling — at any Prov centre nationwide, or remotely through Prov’s own Examroom.ai service. Results are graded immediately and forwarded to the authority. Only after passing does the candidate file with the Division: the notarised application and affidavit, with the score report attached, together with the $75.00 license fee.

Retakes are as direct as entry. There is no limit on attempts and no required waiting period; a candidate may retest as soon as an appointment is available, and the rule states the same position — an applicant below the standard is eligible to retake upon payment of the applicable examination fee. Cancellation and rescheduling are free online at least three days before the examination date; miss that deadline and the fee is forfeited. Generous retakes are a safety net, not a plan.

Holding the license: an annual term, no continuing education, and three trainees

The master license fee is $75.00, at issue and at renewal alike, and the term is annual — valid for up to one year, with renewal notice sent at least forty-five days before expiration. Two smaller figures complete the layer, stated on the rule and the Division’s fees page: a late renewal fee of $25.00 where a renewal is received or postmarked more than fifteen days after expiration, and a duplicate license fee of $10.00. One term rule deserves emphasis: a license expired ninety days or more cannot be renewed.

Continuing education, by contrast, is a verified absence. No continuing-education requirement for issuance or renewal of any West Virginia plumber license appears in the governing article or in the licensing rule, both read in full. Renewal is application and fee; any source presenting continuing education as a condition of this license is describing another state’s system.

The supervision number that shapes a master’s working week is three: no more than three licensed plumbers in training per licensed master or journeyman, with oversight and control at each separate job site — the staffing arithmetic of every job the master designs and directs.

What the PassProfessor program will cover

The design side of the trade, at master weight. Our catalog now includes this West Virginia Master Plumber program, built to the published master outline rather than to installation knowledge alone: supply and drainage at their full examined weight, isometric analysis practised as written analysis, plumbing mathematics worked as design arithmetic, and fuel gas systems studied from the 2018 IFGC as a code in its own right.

Both codes at the tested editions, with retrieval trained. Preparation is anchored throughout to the 2018 IPC and the 2018 IFGC, with Plumbing Basics for Contractors, 4th Edition, in its listed place. Because the sitting allows under two minutes a question, the program trains the architecture of both books — where a requirement lives, which code governs a stem, when to verify and when to answer from command.

The West Virginia layer kept exact. The twelve-month gate counted from the journeyman pass, the absence of any numeric hour requirement in current law, direct Prov registration with the application filed after passing, the annual $75.00 license and its ninety-day renewal cliff, and the verified absence of continuing education are taught as the state states them — and the separate Plumbing Contractor entity license is kept separate throughout.

Independence, stated plainly. PassProfessor is an independent preparation provider, not affiliated with the West Virginia Division of Labor or with Prov. Completing this program confers no license and no eligibility; the Division of Labor licenses, Prov delivers the examination, and candidates register through Prov and apply through the Division.

Tell me when enrollment opens. The West Virginia Master Plumber program is in the works and enrollment is not yet open. Leave an email address and PassProfessor will write to you when the program is ready — and only about this program. For the outline area by area and a study plan built across the twelve-month window, read the companion West Virginia Master Plumber Exam Guide.

Frequently asked questions

Who licenses master plumbers in West Virginia?

The Commissioner of Labor, through the Division of Labor, under W. Va. Code chapter 21, article 14 and rule 42 CSR 32. There is no plumbers’ examining board in West Virginia.

When may a journeyman sit for the master examination?

Not until twelve months after passing the journeyman examination, counted from the pass date. That gate is the only temporal qualification current law states for the master class.

Does West Virginia require a set number of experience hours for the master license?

No. No numeric experience-hour requirement is stated in current law for any class in this program. Applicants certify experience on the Division’s forms, but no hours figure governs eligibility. Older hour figures in secondary material were struck from the law in 2021.

How many questions are on the master examination, and how long is it?

100 questions in 180 minutes, open book, computer-administered through Prov.

What score passes?

70% to pass, as printed for the master examination.

What codes and references does the examination use?

The International Plumbing Code 2018 and the International Fuel Gas Code 2018, both open book, together with Plumbing Basics for Contractors, 4th Edition. Tested equals adopted: the 2018 IPC is also the adopted edition. The 2024 IPC is neither adopted nor tested — rulemaking only.

What does the examination cost, and what does the license cost?

The examination fee is $59.00, paid to Prov at registration. The license fee is $75.00, filed after passing; the term is annual at the same fee.

Must the Division approve me before I sit?

No. There is no pre-approval. Candidates register directly with Prov, sit, and then file the notarised application with the examination score report attached.

Is there a practical or drawing examination?

No. There is no hands-on practical and no drawing-production component. The Isometrics area — 13 of the 100 questions — is analysis inside the written, open-book examination.

What happens if I do not pass?

There is no limit on attempts and no required waiting period. You may retest as soon as an appointment is available, upon payment of the examination fee.

Is continuing education required to renew?

No. None appears in the governing article or the licensing rule. Renewal is application and fee — but a license expired ninety days or more cannot be renewed.

Is the Master Plumber license the same as a Plumbing Contractor license?

No. The Plumbing Contractor classification is a separate entity license under the Contractor Licensing Board. This page’s Master Plumber license is an individual license in the Division of Labor program.

Is PassProfessor affiliated with the Division of Labor?

No. PassProfessor is independent. The Division of Labor licenses, and Prov delivers the examination.

When does enrollment open?

The program is in the works and enrollment is not yet open. Leave an email address on this page and PassProfessor will write to you when the program is ready — and only about this program.