How to Become a Plumber
Quick Answer: To become a plumber, earn a high school diploma, then complete a 4-5 year apprenticeship (8,000+ hours of paid on-the-job training plus classroom instruction). After finishing, pass your state’s journeyman plumbing exam to get licensed. Most states require you to work under a licensed plumber during your apprenticeship before you can work independently. No college degree is required, and apprentices earn wages from day one.
What does a Plumber do?
Plumbers assemble, install, and repair the pipe systems that carry water, steam, air, and gas through residential, commercial, and industrial buildings. They keep clean water flowing in and wastewater flowing out - work that’s essential to public health and modern living.
Daily Responsibilities
- Install and repair water supply lines, drainage systems, and gas piping
- Read blueprints and building codes to plan pipe layouts
- Cut, thread, and bend pipes using hand and power tools
- Test systems for leaks using pressure gauges
- Install fixtures like sinks, toilets, water heaters, and dishwashers
- Diagnose problems and troubleshoot system failures
- Communicate with customers and contractors about project needs
Work Environments
- Residential – Homes, apartments, and condos (new construction and repairs)
- Commercial – Office buildings, hospitals, schools, and restaurants
- Industrial – Factories, power plants, and manufacturing facilities
- Specialty niches – Medical gas systems, fire sprinklers, or green plumbing
Physical and Mental Demands
Plumbing is physically demanding work. You’ll spend time crawling in tight spaces, lifting heavy pipes and fixtures, and working in awkward positions. The job requires standing for long periods and sometimes working in extreme temperatures.
Mentally, plumbers must read complex blueprints, calculate pipe angles and water pressure, and solve problems on the fly. Strong spatial reasoning helps you visualize how systems connect behind walls and underground.
Personality traits that fit
- Problem-solver – Every job presents unique challenges
- Detail-oriented – Small mistakes cause big leaks
- Physically capable – Comfortable with manual labor
- Customer-focused – You’ll work directly with homeowners and building managers
- Self-motivated – Many plumbers work independently
Plumber license types
Licensing requirements vary by state, but most follow a similar structure. Here’s a typical license hierarchy:
| License Level | Requirements | Work Independently? | Typical Timeline |
|---|---|---|---|
| Apprentice/Trainee | Register with state, work under supervision | No | 0-4 years |
| Journeyman Plumber | 8,000 hours experience + exam | Yes (most work) | 4-5 years |
| Master Plumber | 4+ years as journeyman + exam | Yes (all work, can supervise) | 8-10 years total |
| Plumbing Contractor | Master license + business license + insurance | Yes (can bid jobs, hire staff) | Varies |
Note: Some states don’t require licenses for all plumbers. Others require licenses at the local level. Always check your state’s specific requirements.
Step-by-step path to becoming a Plumber
Step 1: meet basic requirements
Before starting your plumbing career, you’ll need:
- Age: At least 18 years old (16-17 for some pre-apprenticeship programs)
- Education: High school diploma or GED
- Driver’s license: Required for most positions
- Physical ability: Can lift 50+ pounds, work in confined spaces
- Background check: Required in most states (felonies may limit licensing - see FAQ)
Helpful high school courses include math, physics, shop class, and mechanical drawing.
Step 2: choose your training path
Path A: Apprenticeship (Most Common)
The traditional route combines paid on-the-job training with classroom instruction.
How to find programs:
- Union apprenticeships (United Association locals)
- Non-union contractor programs
- State-registered apprenticeship programs
- Joint Apprenticeship Training Committees (JATCs)
What to expect:
- 4-5 years (8,000 hours minimum)
- Earn 40-50% of journeyman wages to start, increasing each year
- 144+ hours of classroom instruction annually
- Learn residential, commercial, and industrial systems
Pros: Earn while you learn, no student debt, direct path to licensure
Path B: trade school + apprenticeship
Trade school provides foundational training before or alongside an apprenticeship.
Program details:
- Duration: 6-12 months
- Cost: Varies by school type and location
- Covers: Pipefitting, soldering, blueprint reading, codes, plumbing math
Benefits:
- May reduce apprenticeship time (some states credit trade school hours)
- Makes you a stronger apprenticeship candidate
- Provides backup if apprenticeship openings are competitive
Path C: career changer route
Switching to plumbing from another field? You may have advantages:
- Related experience credit: Construction, HVAC, or pipefitting experience may count toward apprenticeship hours
- Accelerated programs: Some programs are designed for adults with work experience
- Age is not a barrier: Many successful plumbers start in their 30s or 40s
Step 3: complete required training
Apprenticeship training covers:
Classroom instruction (576+ hours total):
- Plumbing codes and regulations
- Blueprint reading and drafting
- Mathematics for pipe layout
- Safety procedures
- Green plumbing and water conservation
On-the-job training (8,000 hours):
- Pipe cutting, threading, and joining
- Fixture installation
- System testing and troubleshooting
- Working with different materials (copper, PVC, PEX, cast iron)
- Residential and commercial applications
Progression milestones:
- Year 1: Basic installations, tool handling, safety
- Year 2: Fixture setting, drain systems
- Year 3: Water heaters, gas piping, complex repairs
- Year 4: System design, code compliance, exam preparation
Step 4: pass the licensing exam
Most states require a journeyman plumber exam after completing your apprenticeship.
Exam details (vary by state):
- Format: Multiple choice, 80-150 questions
- Content: Plumbing code, installation methods, safety, trade math
- Duration: 2-4 hours
- Cost: Varies by exam and state
- Pass rate: Pass rates vary by state
How to prepare:
- Study your state’s plumbing code thoroughly
- Take practice exams
- Review apprenticeship materials
- Consider exam prep courses
Step 5: obtain your license
After passing your exam:
- Submit license application to state board
- Provide proof of training hours and exam passage
- Pay license fee (varies by state)
- Receive your license (processing: 2-6 weeks)
Required documentation typically includes:
- Completed application form
- Proof of apprenticeship completion
- Exam score report
- Background check authorization
- Application fee
Step 6: maintain your license
Plumbing licenses require regular renewal:
- Renewal period: Annual or biennial (varies by state)
- Continuing education: 4-16 hours per renewal period
- Renewal fee: Varies by state
Continuing education keeps you current on code changes, new materials, and industry best practices.
Training Programs
Apprenticeship Programs
Union and non-union apprenticeships are available nationwide. Contact your local United Association (UA) chapter or state apprenticeship office to find registered programs.
Example: United Association Local 68 in Houston, TX offers a 4-year (8,000-hour) apprenticeship starting at 40% of journeyman wages.
Trade school programs
Plumbing technology certificate programs provide foundational training. Programs typically include:
- Pipefitting and pipe joining techniques
- Blueprint reading
- Plumbing code requirements
- Water supply and drainage systems
- Safety and tool use
Program costs
Tuition by school type
Based on reported tuition from 20 schools offering Plumber programs nationwide.
| School Type | Schools Reporting | Typical Tuition | Range |
|---|---|---|---|
| Community College (Public, 2-year) | 14 | $4,045 | $2,145 – $9,050 |
| Public University (4-year) | 6 | $3,032 | $2,348 – $17,940 |
Tuition figures reflect annual published in-state tuition and fees as reported to IPEDS (Integrated Postsecondary Education Data System). Actual costs vary by program length, residency status, and financial aid. Contact schools directly for current pricing.
About this data
This table is based on 20 of 175 schools in our database that offer Plumber programs and report tuition data to IPEDS. "Typical Tuition" shows the median (middle value) for each school type. Tuition shown is the published annual rate before financial aid or scholarships.
Financial aid options
Financial aid is available at schools that participate in federal student aid programs. Complete the FAFSA to determine eligibility.
- Federal Pell Grants: Up to $7,395 per year (2026-27 award year) for eligible students
- Federal Student Loans: Subsidized and unsubsidized options available through FAFSA
- State Grants: Many states offer education grants for vocational and technical programs
- Scholarships: Professional associations and schools may offer program-specific scholarships
- Payment Plans: Many schools offer tuition installment plans
Salary and Job Outlook
Salary by Experience Level
| Percentile | Hourly Wage | Annual Salary |
|---|---|---|
| 10th (Entry-level) | $19.55 | $40,670 |
| 25th | $23.49 | $48,860 |
| Median (50th) | $30.27 | $62,970 |
| 75th | $39.37 | $81,900 |
| 90th (Top earners) | $50.55 | $105,150 |
| Mean (average) annual wage | $69,940 | |
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2024
Commercial and industrial specialists typically earn above average.
Top-paying states
See the salary by state table below for current data. Higher wages often correlate with higher cost of living. Union membership also significantly affects pay rates.
Additional earnings opportunities
- Overtime: Emergency calls, weekends, and project deadlines often pay 1.5x-2x regular rates
- On-call premiums: Extra pay for being available after hours
- Self-employment: Master plumbers running their own businesses have significant earning potential
- Specialization: Medical gas, fire suppression, and industrial plumbers often earn top wages
Job Outlook
| Metric | Value |
|---|---|
| Employment (2024) | 504,500 |
| Projected Employment (2034) | 527,200 |
| Projected Growth (2024-2034) | 4.5% (about as fast as average) |
| Annual Job Openings | 44,000 |
Source: U.S. Bureau of Labor Statistics, Occupational Outlook Handbook
Strong demand continues due to:
- Retirements creating openings
- Aging infrastructure needing replacement
- New construction requiring plumbing systems
- Building code updates requiring licensed professionals
Career Advancement
Typical progression:
Apprentice → Journeyman Plumber → Master Plumber → Contractor/Business Owner
| Level | Timeline | Key Benefits |
|---|---|---|
| Journeyman | 4-5 years | Work independently, higher pay |
| Master | 8-10 years total | Supervise others, pull permits, maximum pay |
| Contractor | 10+ years | Own business, bid projects, hire employees |
Valuable Specializations
- Medical gas systems – Hospitals and healthcare facilities
- Fire sprinkler systems – Commercial and residential fire protection
- Green/sustainable plumbing – Water-efficient systems
- Industrial piping – Factories and processing plants
- Estimating/Project management – Office-based career path
Certifications that increase pay
- Backflow prevention certification – Required for cross-connection control
- Medical gas installer certification – For healthcare facility work
- OSHA 30-hour construction – Safety leadership credential
- Green Plumber certification – Sustainable plumbing specialist
Pros and Challenges
Advantages
- Strong earning potential – Competitive wages that increase with experience
- Earn while you learn – Paid apprenticeships mean no student debt
- Job security – Plumbing can’t be outsourced; every building needs plumbers
- Variety – Different projects, locations, and challenges daily
- Independence – Many plumbers work autonomously or run their own businesses
- Respect – Skilled trade with clear expertise and credentials
- Flexibility – Opportunities in every city and state
Challenges
- Physical demands – Heavy lifting, tight spaces, awkward positions
- Uncomfortable conditions – Crawl spaces, attics, outdoor work in all weather
- Messy work – Exposure to sewage, standing water, and grime
- Emergency calls – Weekends and late-night service calls common
- Licensing requirements – Must pass exams and maintain credentials
- Injury risk – Cuts, burns, and strain injuries possible without proper precautions
Frequently asked questions
How long does it take to become a plumber?
Most plumbers complete a 4-5 year apprenticeship (8,000 hours) before becoming licensed journeymen. Trade school can provide foundational skills in 6-12 months but typically doesn’t replace apprenticeship requirements.
How much does it cost to become a plumber?
Tuition varies by school type and location. See the program costs section above for current figures based on IPEDS data.
What is the fastest way to become a plumber?
Complete a trade school program (6-12 months) while applying for apprenticeships. Some states credit trade school hours toward apprenticeship requirements, potentially shortening your timeline by 6-12 months.
Can I become a plumber without going to trade school?
Yes. Most plumbers enter through apprenticeships, which don’t require prior trade school. Trade school is optional but can make you a more competitive apprenticeship candidate.
Do plumbers make good money?
Yes. See the salary data above for current BLS figures. Experienced plumbers earn well above the median, and master plumbers and business owners have significant earning potential.
Is plumbing a good career?
Plumbing offers above-average pay, strong job security, and clear advancement paths. It’s a good fit if you enjoy hands-on problem-solving and want to earn while you train.
Is it hard to become a plumber?
The work is physically demanding, and the apprenticeship requires commitment (4-5 years). However, the path is straightforward: complete training, pass the exam, get licensed. No college degree required.
How much do plumber apprentices make?
Apprentices typically start at 40-50% of journeyman wages, depending on location. Pay increases each year, reaching 90-95% by the final year.
What’s the difference between a journeyman and master plumber?
Journeyman plumbers can work independently on most projects. Master plumbers can supervise journeymen, pull permits, and handle more complex work. Master status typically requires 4+ additional years of experience after earning journeyman status.
Can I become a plumber with a criminal record?
It depends on the offense and your state. Many states allow licensing with a criminal record, though certain felonies may be disqualifying. Contact your state licensing board for specific guidance.
Am I too old to become a plumber?
No. Many people enter plumbing in their 30s and 40s. Your previous work experience may help you advance faster, and the career can last until retirement age for those who maintain physical fitness.
What skills do I need to become a plumber?
Key skills include mechanical aptitude, math ability (fractions, measurements, angles), problem-solving, physical stamina, attention to detail, and good communication for working with customers.
How to get started today
- Research your state’s requirements – Visit your state plumbing board website to understand licensing requirements
- Contact local unions – Reach out to United Association locals in your area about apprenticeship openings
- Explore trade schools – Compare local programs for cost, duration, and job placement rates Individual outcomes vary.
- Build foundational skills – Take math refresher courses if needed; practice with basic hand tools
- Apply to programs – Submit applications to multiple apprenticeships and trade schools to maximize your options
Plumber Salary by State
Top earners include master plumbers, supervisors, and contractors specializing in commercial or industrial systems.
Licensing Resources
Licensing requirements vary by state. Here are resources to find your state’s specific requirements:
National resources:
- Bureau of Labor Statistics: bls.gov/ooh/construction-and-extraction/plumbers-pipefitters-and-steamfitters.htm
- United Association (UA): ua.org – Union apprenticeship information
- Apprenticeship.gov: apprenticeship.gov – Find registered apprenticeship programs
State licensing boards: Search “[Your State] plumbing license” to find your state’s licensing board and specific requirements.
Start your plumbing training today
Ready to begin your plumbing career? Explore accredited trade school programs and apprenticeship opportunities in your area:
Find Plumber Schools by State
Find Training Programs Near You
Compare accredited schools and start your career path today.
Find Programs