How to Become a Plumber: 2026 Step-by-Step Guide

How to become a plumber: the short answer

To become a plumber, you get a high school diploma or equivalent, complete a 4 or 5 year paid apprenticeship of roughly 2,000 on-the-job hours per year, and then pass your state’s journeyman licensing exam. That is the whole path: no college degree, no tuition debt required, and you earn a wage from day one of training. Anyone researching how to become a plumber in 2026 should start with that frame, because plumbing is one of the few careers left where the training itself pays you. The Bureau of Labor Statistics Occupational Outlook Handbook puts the median pay for plumbers, pipefitters, and steamfitters at $62,970 per year ($30.27 per hour) as of May 2024, with the top 10 percent earning more than $105,150.

Every number and requirement in this guide traces to a named primary source: the BLS Occupational Outlook Handbook entry for plumbers, pipefitters, and steamfitters (occupation 47-2152), Apprenticeship.gov, the OSHA Outreach Training Program, and the actual state licensing boards in Texas, California, and Illinois. No secondhand stats, no guesswork. The steps below walk the path in order, then cover costs, timeline, pay, and where the work is headed through 2034.

Step 1: Get a high school diploma or GED

BLS lists the typical entry-level education for plumbers as a high school diploma or equivalent, with no prior work experience in a related occupation required. That diploma is not a formality. Apprenticeship programs and state boards check for it, and Illinois, for example, requires at least 2 years of high school or equivalent before it will let you sit for the plumber’s exam.

If you are still in school, load up on the subjects the trade actually uses. BLS notes that plumbing apprentices study mathematics, applied physics, and chemistry during their technical instruction. Pipe sizing, drainage slope, water pressure, and gas line work all run on that math. A student who can handle fractions, area, and volume without a calculator walks into an apprenticeship interview ahead of the pack.

Step 2: Pick your entry point, trade school or direct to apprenticeship

There are two clean ways in, and both end at the same apprenticeship door. BLS reports that most plumbers learn on the job through an apprenticeship, and that some attend a vocational-technical school first. Voc-tech schools offer courses in pipe system design, safety, and tool use, plus the welding courses that some pipefitter and steamfitter apprenticeship programs require.

The direct route skips the classroom and applies straight to apprenticeship programs. BLS notes that most apprentices enter a program directly, while some start out as helpers or complete a pre-apprenticeship training program first. There is no wrong answer here. Trade school front-loads classroom skills and costs tuition. The direct route starts the paid clock sooner. If you can land an apprenticeship slot now, take it. If slots in your area are competitive, a pre-apprenticeship or voc-tech semester makes your application stronger.

Step 3: Complete a 4 or 5 year paid apprenticeship

The apprenticeship is the core of how to become a plumber, and it is the part most people outside the trades misunderstand. This is not unpaid schooling. Per BLS, most plumbers, pipefitters, and steamfitters learn the trade through a 4 or 5 year apprenticeship, and apprentices typically receive 2,000 hours of paid on-the-job training per year, plus technical instruction covering safety, local plumbing codes and regulations, and blueprint reading.

Apprenticeship.gov, the U.S. Department of Labor’s Registered Apprenticeship hub, describes the deal plainly: a paid job with a competitive wage from day one, guaranteed progressive wage increases as you develop new skills, structured on-the-job learning with a mentor, job-related classroom instruction, and a portable, nationally recognized credential when you finish. Use the Apprenticeship Job Finder on that site to locate open programs near you.

BLS notes that apprenticeship programs are sponsored by unions, trade associations, and businesses. In practice that means three places to apply: the union local (in the plumbing trade that usually means a United Association local), open-shop trade associations, and plumbing companies that train in-house. Some states also require apprentices to register with the state board before stepping on a job site. In Texas, you can register as a Plumber’s Apprentice with the Texas State Board of Plumbing Examiners at age 16 for a $15 fee. In Illinois, apprentices hold an actual apprentice plumber’s license issued by the Department of Public Health.

Step 4: Take the OSHA 10 construction safety course

The OSHA Outreach Training Program is the standard safety credential on construction sites. The 10-hour class is intended to give workers awareness of common job-related safety and health hazards, while the 30-hour class is aimed at supervisors or workers with safety responsibility. Students receive an OSHA 10-hour or 30-hour course completion card at the end of training, delivered through OSHA-authorized trainers.

Two honest caveats, straight from OSHA: the Outreach Training Program is voluntary at the federal level and does not by itself meet the training requirements of any OSHA standard, and the card is not a certification. That said, some states, municipalities, and employers require the OSHA 10 card as a condition of employment, and many apprenticeship programs build it into year one. Get it early. It is one of the cheapest, fastest line items on your resume and it signals to a hiring foreman that you will not be the new guy who steps in an open trench.

Step 5: Get licensed at the journeyman level

Here is the rule that matters most, and the one this guide will not blur: plumber licensing requirements vary by state. There is no single national plumbing license. BLS states that most states and some localities require plumbers to be licensed, and that states and localities often require 2 to 5 years of experience plus an exam that proves knowledge of the trade before a plumber can work independently. Completing the apprenticeship and passing the licensing exam is what makes you a journey-level worker, qualified to perform tasks on your own.

Three verified state examples show how different the rules actually are:

Check your own state board before you plan anything. If you are headed toward running a business, our state-by-state license guides cover the contractor side in detail, including Texas, California, and Illinois.

Step 6: Move up to master plumber

The journeyman license is the working license. The master license is the business license, and in many states it is the gate to pulling permits and supervising other plumbers. BLS describes the progression: plumbers with several years of experience at journey level who pass another exam earn master status, and some states require master plumber status to obtain a plumbing contractor’s license.

Texas shows the verified mechanics. Per the Texas State Board of Plumbing Examiners, you can sit for the Master Plumber exam after holding a journeyman license for at least 2 years, or after 1 year if you completed a U.S. Department of Labor approved apprenticeship training program. Master status is also where the pay ceiling lifts toward the top of the BLS range, where the highest 10 percent of plumbers, pipefitters, and steamfitters earned more than $105,150.

Step 7: Start running your own plumbing jobs

The last step is the one that changes your income structure entirely: moving from wages to owning the work. BLS notes that after reaching journey level, plumbers advance to master plumber, supervisor, or project manager roles, and that some start their own business as independent contractors, which may require additional licensing. That additional licensing is, again, state-specific. California wants 4 journey-level years for the C-36. Texas requires a Responsible Master Plumber designation to operate a plumbing company. Illinois registers plumbing contractors separately from plumbers.

Going out on your own also means the skills nobody examined you on: scoping jobs, estimating accurately, invoicing, tracking expenses, and keeping mileage records for tax season. That is the part of the trade where most new owners bleed money in year one, and it is fixable with the right workflow from day one. More on that below.

What does it cost to become a plumber?

Less than almost any career with comparable pay, because the core training is a paid job. The apprenticeship route earns roughly 2,000 paid on-the-job hours per year (BLS), with wage increases built in as your skills progress (Apprenticeship.gov). BLS is direct about the trajectory: apprentices earn less than fully trained plumbers, but their pay increases as they learn to do more.

Your actual out-of-pocket costs come down to four buckets:

• Registration and license fees. Modest, and verifiable on your state board’s site. Texas, as a verified example: $15 apprentice registration, $36 Tradesman exam application plus $35 for the license card, $40 journeyman exam application plus $40 for the certificate, and $75 for the master plumber certificate after passing.
• Classroom instruction. Union and association apprenticeships bundle technical instruction into the program through the sponsor. The voc-tech route is the one that carries tuition, and rates vary by school, so price your local program directly.
• Hand tools. You will build your kit across the apprenticeship years. Buy as the work demands rather than all at once.
• OSHA 10. Priced by the OSHA-authorized trainer you choose, in person or online.

How long does it take to become a plumber?

Plan on 4 to 5 years from first day of apprenticeship to journeyman license, because that is the apprenticeship length BLS documents and it lines up with the verified state requirements above (8,000 hours in Texas, 48 to 72 months in Illinois). Here is the full timeline:

How much do plumbers make in 2026?

The wage data reported in the BLS Occupational Outlook Handbook entry for plumbers, pipefitters, and steamfitters comes from the May 2024 Occupational Employment and Wage Statistics survey. The median annual wage was $62,970, or $30.27 per hour. The lowest 10 percent earned less than $40,670, and the highest 10 percent earned more than $105,150. For context, the median for all construction trades workers was $56,490, and the median across all U.S. occupations was $49,500. Plumbers out-earn both.

Two notes on reading that table. First, those are wage figures for employees; owners of plumbing businesses are playing a different game, where estimating accuracy and job volume set the ceiling. Second, BLS confirms most plumbers work full time, nights and weekends included, and emergency on-call work is common. The overtime is real, and so is the pay that comes with it.

Job outlook: where plumbing work is headed through 2034

BLS projects employment of plumbers, pipefitters, and steamfitters to grow 4 percent from 2024 to 2034, about as fast as the average for all occupations, moving from 504,500 jobs in 2024 to a projected 527,200 in 2034, a gain of 22,700. The bigger number for someone entering the trade is openings: BLS projects about 44,000 openings per year, on average, over the decade, many of them from replacing workers who transfer to other occupations or leave the labor force, including to retire.

Translation for an 18-to-25 year old weighing the trade: openings keep coming as current workers change occupations or retire, and the work itself has to be done in person, on site. Demand comes from new construction plus the permanent need to maintain and repair plumbing in every existing building in the country. BLS also flags growth in sprinklerfitting specifically, driven by building codes in all states requiring fire suppression systems.

When you start running your own jobs

Everything above gets you to licensed. What it does not teach is the 30 minutes of math between “can you take a look?” and a signed quote. That skill decides your margin from your first solo job onward, and it is where SimplyWise Cost Estimator earns its place in a new plumber’s toolkit. Take a photo of the job, or scan the room with LiDAR, and it returns a sourced material list and labor breakdown in seconds, then turns it into a branded PDF quote you can send from the driveway. It also bundles receipt and expense tracking plus mileage logging, which is the bookkeeping a first-year owner always means to do and never does. It is free to try, no credit card, with a 7-day free trial, then $29.99/mo. Pair it with our guide to estimating a plumbing job and a free plumbing estimate template and your first quotes will read like a 20-year shop wrote them.

Sources

• Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, Plumbers, Pipefitters, and Steamfitters (occupation 47-2152). May 2024 wage data; 2024 to 2034 employment projections. Accessed June 11, 2026.
• U.S. Department of Labor, Apprenticeship.gov, Become an Apprentice (Registered Apprenticeship structure: paid job, on-the-job learning, classroom instruction, progressive wages, portable credential). Accessed June 11, 2026.
• Occupational Safety and Health Administration, Outreach Training Program (10-hour and 30-hour course completion cards, voluntary status, authorized trainers). Accessed June 11, 2026.
• Texas State Board of Plumbing Examiners, license types: Apprentice Registration, Tradesman Plumber-Limited, Journeyman Plumber, and Master Plumber. Accessed June 11, 2026.
• California Contractors State License Board, C-36 Plumbing Contractor classification and experience requirements for applicants. Accessed June 11, 2026.
• Illinois Department of Public Health, Plumbing program (Illinois Plumbing License Law, 225 ILCS 320). Accessed June 11, 2026.