Plumbing
Install and service water, gas, and drainage systems for homes and commercial buildings.
How to Become A Plumber: A Complete Career Guide
Plumbing is one of the most recession-proof trades in the country. Every building needs water in and waste out — and when something goes wrong, it can't wait. If you're considering plumbing as a career, this guide covers the full path from first steps to running your own jobs as a licensed master plumber.
What Plumbers Actually Do
Plumbers install, repair, and maintain the systems that move water, gas, and waste through buildings. The work breaks down into several specializations.
Residential plumbers handle new construction rough-in, fixture installation, water heater replacement, drain cleaning, and leak repair in homes. Most apprentices start here — the work is accessible and the demand is constant.
Commercial plumbers work on larger systems in office buildings, hospitals, hotels, and retail spaces. More complex installations, larger pipe sizes, and higher pay than residential.
Pipefitters specialize in industrial piping systems — steam, chemical, and process piping in factories, refineries, and power plants. Often represented by the same union (UA) as plumbers but a distinct trade with its own licensing path.
Service plumbers focus on repair and maintenance rather than new construction — diagnosing problems, clearing blockages, and replacing failed components. High demand, often higher hourly rates for emergency calls.
Most plumbers move between residential and commercial work depending on where the opportunities are. The core skills transfer across all categories.
The Path: Apprentice → Journeyman → Master
Apprentice (Year 1–5)
Plumbing apprenticeships are typically five years, slightly longer than electrical. You work full-time on job sites while attending classroom instruction evenings or weekends. Starting pay is usually 40–50% of journeyman scale with raises every six months.
Journeyman Plumber
After completing your apprenticeship hours and passing your state's journeyman exam, you're licensed to work independently on most plumbing jobs. Journeyman plumbers typically earn $32–$55/hour depending on region, sector, and employer.
Master Plumber
With additional experience — typically 2–4 years as a journeyman — and a master's exam, you can pull permits, supervise apprentices, and run your own contracting business. Requirements vary by state.
How to Get Started
Union Apprenticeship
The United Association of Plumbers and Pipefitters runs apprenticeship programs through local unions nationwide. Structured training, strong wages, employer-paid benefits, and a portable journeyman card. Applications typically open once or twice a year — check ua.org/locals for your nearest local.
Non-Union Apprenticeship
PHCC (Plumbing-Heating-Cooling Contractors Association) and other contractor associations sponsor apprenticeship programs in most states. The same licensed journeyman credential at completion, with wages and benefits varying by employer.
Trade School + Apprenticeship
Some community colleges and trade schools offer 1–2 year plumbing programs that provide a foundation before entering a formal apprenticeship. Costs money rather than paying you, but can be a useful path if apprenticeship slots are limited in your area.
All three paths lead to the same licensed journeyman credential. Pick based on what's available in your market.
What You'll Earn
Plumber wages vary by region, sector, and license tier. Here's a realistic snapshot for 2026:
1st Year Apprentice: $15-$19/hr | $31K-$40K annually
Mid-Apprentice (Year 3): $21-$30/hr | $44K-$62K annually
Journeyman Plumber: $26-$52/hr | $54K-$108K annually
Master Plumber: $38-$65/hr | $79K-$135K annually
Foreman / Contractor: $45-$75/hr | $94K-$156K annually
Wages vary significantly by region — major metros and high cost-of-living areas pay considerably more. Industrial and commercial work typically pays more than residential.
State Licensing Requirements
Plumbing licensing is state-regulated and requirements vary more than almost any other trade. Most states require documented apprenticeship hours between 8,000 and 10,000 depending on the state, passing a state journeyman exam, ongoing continuing education for license renewal, and a separate master plumber exam with additional experience for contractor licensing. A handful of states regulate at the city or county level rather than statewide. Always check your state's contractor licensing board before starting.
Job Outlook
Demand for plumbers is strong and projected to remain so. Key drivers include aging infrastructure requiring replacement and repair, new residential and commercial construction, growing demand for gas line work tied to new construction, and a significant generational gap as experienced workers retire faster than new ones enter the trade.
Is This the Right Career for You?
Plumbing suits people who like problem solving, don't mind physical work, and are comfortable working in tight spaces — crawl spaces, wall cavities, under sinks. The work involves heavy lifting, awkward positions, and occasional exposure to unpleasant conditions. It's a strong fit if you want a stable, well-paid career without college debt and don't want to be stuck at a desk. Plumbers rarely struggle to find work, and experienced journeymen with a good reputation can build a client base that provides consistent income for decades.
Next Steps
Find apprenticeship programs in your area — check both UA locals at ua.org and PHCC chapter programs at phccweb.org. Contact your local union or contractor association and ask when applications open and what the requirements are. Get your basics in order — high school diploma or GED, valid driver's license, ability to pass a drug test. The apprenticeship application timeline is usually 6–12 months from first inquiry to first day on the job. Start now.
Fast-Track Your Application
UA locals across the country recognize MC3 and ARP credentials. Completing a pre-apprenticeship program before applying can get you a guaranteed interview with your local UA hall -- significantly shortening or eliminating the standard waitlist. Contact your local Building and Construction Trades Council to find what's available in your market.
ARPs teach the Multi-Craft Core Curriculum (MC3) -- a standardized 120-hour construction program created by the North American Building Trades Unions. Programs are offered through local Building Trades Councils across the country, typically run 4-8 weeks, and are free to participants. Graduates receive OSHA 10 certification and a guaranteed interview with union apprenticeship programs in their area. Some programs are paid -- compensation varies by market and funding source.
- →Free in most markets -- federally supported through WIOA workforce funding
- →OSHA 10 and CPR certification included
- →Guaranteed interview upon completion -- bypasses standard application pools and testing
- →Some programs offer hourly pay or weekly stipends during training
- →Wraparound services available at some locations
- →Contact your local Building and Construction Trades Council to find programs in your area
Federally funded training available in most major metro areas that integrates the MC3 curriculum. Free to eligible participants. Many Job Corps programs have direct-entry or guaranteed interview agreements with local JATCs.
- →Federally funded -- free to eligible participants
- →MC3 curriculum -- recognized by union JATCs
- →Direct-entry or guaranteed interview agreements in many markets
- →Available in most major metro areas
A paid MC3 pre-apprenticeship program with direct IBEW and Building Trades connections in the Memphis market. Participants earn hourly wages during training, graduate with OSHA 10 and CPR certifications, receive a guaranteed interview in their trade of choice, and may be eligible for wraparound services including rent, utility, and grocery assistance.
- →Paid training at $12-14.50/hr
- →OSHA 10 and CPR certification included
- →Guaranteed interview in the trade of your choice
- →Wraparound services for eligible participants
- →Covers Electricians, Plumbers, Carpenters, Iron Workers, Painters, Sheet Metal Workers, Laborers, Operating Engineers, and more
TradePathHub founder Brian Peterson was a paid instructor for MSCC's inaugural cohort, teaching construction mathematics. Preparing course material exposed him firsthand to how scattered and difficult to navigate the information landscape was for people entering the trades. That gap is what TradePathHub was built to fill.
Visit Mid-South Construction Careers (MSCC) →Nashville's MC3 program offers a weekly stipend during training with direct Building Trades connections. Graduates receive OSHA 10 certification and a guaranteed interview pathway into union apprenticeship programs in the Nashville market.
- →$200/week stipend during training
- →OSHA 10 certification included
- →Guaranteed interview pathway into union apprenticeships
- →Direct Nashville Building Trades connections
Pre-apprenticeship programs exist in most major metro areas but aren't always easy to find. Your local Building and Construction Trades Council is the most reliable source for what's active in your market.
Make the Most of the Waitlist
UA apprenticeship programs are competitive and waitlists vary by local and market conditions. The time between application and your first day on the job is an investment opportunity -- use it to build the knowledge and credentials that make you a stronger candidate and a faster starter.
Working at a plumbing supply house builds product knowledge -- pipe materials, fittings, valve types, fixture specifications. Direct exposure to the products you'll install and the contractors who install them.
General construction labor on commercial sites builds job site familiarity and documents construction work history on your application. UA locals look favorably on applicants with hands-on construction experience.
Maintenance roles in large buildings involve basic plumbing repairs -- fixture replacement, drain clearing, valve shutoffs, water heater maintenance. Builds comfort with plumbing systems under supervision.
The UA represents both plumbers and HVAC technicians. Working as a helper for an HVAC contractor builds familiarity with mechanical systems and may be directly relevant to your eventual apprenticeship track.
Required or strongly preferred by most union plumbing contractors. Take this first -- it signals seriousness and is a prerequisite on many job sites.
Standard safety credential. Required by many contractors and looks good on your application.
EPA RRP certification covers lead-safe work practices relevant to plumbing work in older buildings. A differentiating credential that most applicants don't have.
Pipe offset calculations, 45-degree offsets, rolling offsets -- the math of pipefitting is tested in apprenticeship programs and used daily on the job. Work through it before day one.
Familiarity with the IPC structure and major code categories signals professional intent. You don't need to memorize it -- knowing how to navigate it is enough.
Understanding the differences between copper, PVC, CPVC, PEX, cast iron, and steel -- when each is used and why -- is fundamental knowledge that separates prepared apprentices from unprepared ones.
Plumbers read isometric drawings to understand piping systems in three dimensions. Basic isometric reading skills before your apprenticeship starts gives you a meaningful head start.
Contact your local UA hall every 60-90 days. Ask specifically about application status and whether there are any volunteer or community work opportunities through the local. The UA has strong community ties in many markets -- being a visible, engaged applicant before you're called improves your standing.