Journeyman Plumber License in Washington
This guide details the process to become a Journeyman Plumber in Washington, outlining steps from meeting prerequisites to obtaining certification. The path typically ranges from 2 to 4 years, with costs between $4,000 and $10,000, covering education, exams, and licensing fees.
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In Washington, a career as a Journeyman Plumber offers significant opportunities due to a steady demand for skilled labor in the plumbing field. The median salary for this role is currently $76,170 per year, reflecting the value and necessity of this profession in the state. With the national workforce for plumbers standing at 504,500 and a projected growth rate of 4.5% by 2034, the stability and growth potential in this career are clear. Choosing a career as a Journeyman Plumber in Washington not only provides a stable and well-paying job but also opens up avenues for future advancement in the industry.
Washington state's specific requirements and regulations for plumbers create a unique professional environment. The state mandates specific licensing processes that ensure all practicing plumbers meet high standards of knowledge and safety. This regulatory framework supports high-quality healthcare and other critical infrastructures by ensuring they are constructed and maintained with expert care. Additionally, Washington's major employers, including large construction firms and municipal services, regularly seek qualified plumbers, making it an attractive state for professionals looking for steady employment and diverse job opportunities.
This guide provides readers with detailed information on how to obtain a Journeyman Plumber License in Washington, outlining the necessary steps from initial training to certification. It will discuss the licensing requirements set by state authorities, the typical path most follow to enter the profession, and realistic salary expectations based on current market data. Additionally, the guide will offer insights into the job market for plumbers in Washington, helping prospective plumbers understand where opportunities are most prevalent and what sectors might offer the most lucrative positions. By arming potential plumbers with this knowledge, the guide aims to prepare them effectively for a successful career in this essential field.
Licensing Authority
Department of Labor and Industries
In Washington, individuals seeking a Journeyman Plumber License must pass multiple exams, complete a specific training program, and meet background check requirements. The process is overseen by the Department of Labor and Industries.
Official Resources
Washington Requirements
Training Requirements
- Education
- High school diploma or equivalent
- Total Training Hours
- Not specified hours
- Classroom Hours
- Not specified hours
- Clinical Hours
- Not specified hours
- Minimum Age
- 18 years old
Additional Requirements
- Background check (State and federal) with fingerprinting
- Pass the Backflow specialty examination
Certification Exam
- Exam
- Plumber Certification examination
- Components
- Written, Skills demonstration
- Fee
- Included in application fee
How to Become a Journeyman Plumber License in Washington
tuition $3000-$8000, exam fee $100-$300, background check $65, application fee $150, textbooks/supplies $200-$500
Fastest Path
2 years
Typical Timeline
3 years
Estimated Cost
$4000–$10000
Verify Eligibility for Washington Plumber Licensing
Before pursuing a Journeyman Plumber license in Washington, confirm eligibility. Requirements include being at least 18 years old, holding a high school diploma or GED, and having legal authorization to work in the U.S. Visit the Washington State Department of Labor & Industries website to download the initial application form and review detailed eligibility criteria. Processing times for initial inquiries are typically 1-2 weeks.
Tip
Scan and save your educational and work authorization documents as PDFs to expedite future submissions.
Complete Required Background Check
Washington requires a background check for all plumbing license applicants. Obtain your background check through the Washington State Patrol. You'll need to visit a fingerprinting service location and submit fingerprints for a state and FBI background check. Results typically take 2-4 weeks. Disqualifying factors include certain criminal convictions; however, waivers are available under specific circumstances.
Tip
Schedule your fingerprinting appointment early to avoid delays.
Enroll in a State-Approved Apprenticeship Program
To qualify for the Journeyman Plumber exam, you must complete an apprenticeship. Washington recognizes apprenticeship programs that meet specific standards. Find approved programs through the Washington State Department of Labor & Industries. Attending a non-approved program can lead to ineligibility for licensure. Programs typically last between 2 to 4 years, combining classroom instruction with on-the-job training.
Tip
Choose a program that fits your schedule and career goals; consider location and specialty areas.
Complete Apprenticeship Training
Complete your apprenticeship program, which includes both classroom instruction and practical, on-the-job training. While the exact hours are not specified, the program typically spans 2 to 4 years. Ensure all your training is documented and certified by the program, as this will be required when applying for the Journeyman exam.
Tip
Keep a detailed log of your training hours and experiences to streamline the certification process.
Prepare for the Journeyman Plumber Exam
After completing your apprenticeship, prepare for the Journeyman Plumber Exam. The exam covers Washington plumbing codes, general plumbing knowledge, and practical skills. Study materials and practice exams are available online. The exam consists of multiple-choice questions and practical assessments, conducted under timed conditions. Passing the exam is crucial for advancing to licensure.
Tip
Regularly review the Washington State plumbing code during your apprenticeship to build familiarity.
Register for and Schedule the Journeyman Plumber Exam
Register for the Journeyman Plumber Exam through the Washington State Department of Labor & Industries. The registration process involves submitting an application, proof of apprenticeship completion, and exam fee. Once registered, you'll receive details on scheduling your exam. Exams are held at various locations throughout the state, typically on a monthly basis.
Tip
Choose an exam date that gives you ample time for review and preparation.
Take and Pass the Journeyman Plumber Exam
On the scheduled exam date, arrive at the designated testing center with two forms of ID and any required materials. The Journeyman Plumber Exam tests both theoretical knowledge and practical skills. You'll have a set time limit to complete the exam, typically several hours. If you fail, you can reschedule after a waiting period, usually one month. Passing the exam qualifies you for state certification.
Tip
Arrive early to the testing center to allow ample time for check-in and setup.
Apply for Washington Journeyman Plumber Certification
After passing the exam, apply for your Journeyman Plumber Certification through the Washington State Department of Labor & Industries. Submit your exam results, a completed application form, and the certification fee. Processing typically takes 2-4 weeks. Once approved, your certification will be issued, and you'll be listed on the state's official registry of certified plumbers.
Tip
Ensure all forms are completed accurately to avoid delays in processing.
Start Your Plumbing Career
With your Journeyman Plumber Certification in hand, begin your plumbing career in Washington. Utilize job boards, local plumbing unions, and networking to find employment opportunities. Consider specializing in areas like residential, commercial, or industrial plumbing to enhance job prospects. Salary negotiations are common in the industry, so be prepared with knowledge of average wages and benefits in your area.
Tip
Join local plumbing associations or unions to network and discover job opportunities.
Common Mistakes to Avoid
- •Attending a non-state-approved apprenticeship program, which results in ineligibility for licensure, wasting time and money.
What to Expect on Exam Day
Washington Journeyman Plumber Certification Exam administered by Washington State Department of Labor & Industries
Written Test
Questions: 100
Time Limit: 3 hours
Format: Multiple choice
Passing Score: 70%
- • General Regulations: 15%
- • Fixtures: 10%
- • Water Heaters: 10%
- • Water Supply and Distribution: 15%
- • Sanitary Drainage Systems: 15%
- • Indirect and Special Wastes: 5%
- • Vents and Venting: 10%
- • Traps, Clean-Outs, and Interceptors: 5%
- • Storm Drainage Systems: 5%
- • Plumbing Mathematics: 10%
Skills Test
Skills Tested: 0
Time Per Skill: N/A
The exam includes only a written test; no practical skills demonstration is required.
What to Bring
- ✓ Official photo ID (driver's license, passport)
- ✓ Admission ticket or confirmation number
- ✓ Two No. 2 pencils
- ✓ A non-programmable calculator
Do Not Bring
- ✗ Electronic devices (cell phones, smart watches, PDAs)
- ✗ Books or reference materials
- ✗ Food or drink
- ✗ Bags or backpacks
Day-of Timeline
Arrive 30 minutes early. Check-in takes 15 minutes. Written test is 3 hours. No break as there is no skills test.
Getting Your Results
Results are issued via mail within 2-3 weeks after the exam. Candidates can also check results online through the Washington State Department of Labor & Industries website.
If You Don't Pass
Candidates can retake the exam after 30 days. The cost of a retake is the same as the initial exam fee. There is no limit on the number of attempts allowed in Washington.
Exam Strategies
- 1. Focus on the general regulations and water supply topics as they constitute a significant portion of the exam.
- 2. Practice using your calculator efficiently to ensure quick and accurate answers to math-related questions.
- 3. Read each question carefully, especially the wording, to avoid mistakes due to misunderstanding the question.
Document Checklist
Every document you need from start to finish
1Before Training
High School Diploma or GED
From your high school or GED program · Varies, often free to obtain a copy · 1-2 weeks
Required to prove educational background
Proof of Age (e.g., Birth Certificate, Passport)
Local government office or your place of birth · Approximately $25 for a birth certificate · 2-4 weeks
Must be at least 18 years old
Social Security Number Verification
Social Security Administration · Immediate to 2 weeks
Needed for identity verification
Criminal Background Check
Washington State Patrol · Approximately $12 · 1-2 weeks
Some convictions may disqualify applicants
2During Training
Apprenticeship Enrollment Form
Department of Labor & Industries website or office · Immediate
Must be registered as an apprentice
Tuberculosis (TB) Test Results
Local clinic or healthcare provider · Approximately $20-$100 · 1-3 days
Some training programs require a recent TB test
CPR Certification
Red Cross, American Heart Association, or similar · Approximately $50-$100 · Varies by class schedule
Certification must be kept current during training
Hourly Work Log
Provided by apprenticeship program · Ongoing
Logs must be detailed and regularly updated
3For the Exam
Exam Application Form
Department of Labor & Industries website or office
Must be approved before scheduling the exam
Proof of Apprentice Hours
From your apprenticeship program
Requires official sign-off on hours worked
Exam Fee
Payable to the testing service or Department of Labor & Industries · Approximately $100-$200
Non-refundable; varies by exam type
Valid Photo ID
State or federal government · Varies by ID type
Needed for identity verification on exam day
4For Certification
Journeyman Plumber License Application
Department of Labor & Industries website or office · Application fee approximately $100-$150
Must be filled out completely and accurately
Passing Exam Score Report
From the testing service
Official documentation of passing the exam required
Proof of Liability Insurance
Insurance provider · Varies by provider and coverage amount
Required for working legally as a plumber
Fee for License Issuance
Department of Labor & Industries · Approximately $50-$100
Final step for obtaining the license
After You're Certified: What's Next
Verify your license status on the Washington State Department of Labor & Industries website. Obtain your physical Journeyman Plumber certificate from the department.
Finding Your First Job
Where to Look
- • Washington State Department of Labor & Industries job board
- • Indeed.com with filters set for plumbing jobs in Washington
- • Local union websites, such as UA Local 32 in Seattle
- • Networking events and trade shows specific to the plumbing industry
Best Employers for New Grads
- • Residential construction companies often offer entry-level positions with training on the job.
- • Commercial plumbing contractors typically provide larger scale projects and may require some prior experience.
- • Local government and municipal jobs can offer stability and benefits but might have more stringent hiring processes.
Resume Tip: Highlight any hands-on experience, even from training or apprenticeships. List key skills like pipe installation, compliance with safety standards, and ability to read blueprints. Include soft skills such as problem-solving and communication.
Interview Tip: Expect questions about basic plumbing techniques, customer service scenarios, and how you handle on-job challenges. Be prepared to discuss any practical training you've completed.
Expected First-Year Salary
In Washington, a Journeyman Plumber can typically expect to earn between $45,000 and $70,000 in the first year, depending on location and employer.
Career Advancement Path
Master Plumber
Accumulate additional work experience as required by Washington state and pass the Master Plumber examination.
Challenges to Prepare For
- • Adapting to complex plumbing codes and regulations in different municipalities.
- • Managing physically demanding tasks and maintaining safety standards.
- • Building a reputation and client base in a competitive market.
Journeyman Plumber License Salary in Washington
In Washington, Journeyman Plumbers earn a median salary of $76,170 per year, significantly higher than the national median. This reflects the state's robust demand for skilled tradespersons and the higher cost of living in many parts of Washington.
Entry Level
$48,690
0-1 years experience
Median Salary
$76,170
$36.62/hr · Bureau of Labor Statistics
Experienced
$103,140
5+ years experience
Compared to National Median
$61,550 national · ++23.8% in Washington
Salary by Metro Area
High demand in urban centers
Slightly below state median but stable employment
Salary by Employer Type
Washington's higher median salary compensates for its above-average cost of living, particularly in metropolitan areas like Seattle.
Benefits & Compensation
Typical benefits include health insurance, retirement plans, and paid leave. Some employers may offer continuing education and tool allowances.
Salary Growth Outlook
Expected to rise due to ongoing construction projects and updates in water systems.
Salary Negotiation Tips
- •Research average salaries in your specific Washington region.
- •Highlight specialized skills, certifications, and experience during negotiations.
Job Market in Washington
In Washington, the job market for Journeyman Plumbers is witnessing a growth rate slightly above the national average. This growth is driven by increased construction activities and infrastructural developments, especially in urban centers like Seattle and Spokane. The state's commitment to upgrading and maintaining water systems and public facilities also contributes to heightened demand.
Top Hiring Areas
Significant construction projects and public infrastructure upgrades
Steady growth in residential and commercial construction
Top Hiring Industries
Best time to apply: Early spring and late fall, aligning with construction season peaks
Opportunities
- Specialization in green plumbing
- Contracts with state and local governments
Challenges
- Shortage of skilled labor
- Regulatory compliance costs
Training Programs in Washington
Washington State offers a variety of training programs for aspiring journeyman plumbers, facilitated through community colleges, vocational schools, and employer-sponsored apprenticeships. These programs are designed to meet state licensing requirements and prepare individuals for the journeyman plumbing exam.
Program Types Comparison
| Type | Duration | Cost | Format | Pros / Cons |
|---|---|---|---|---|
| Community College | 2-4 years | $2,000 - $5,000 per year | Hybrid |
|
| Vocational/Trade School | 1-2 years | $10,000 - $20,000 total | In-person |
|
| Employer-Sponsored | 4-5 years | Free | On-the-job |
|
Top Programs
Tacoma, Washington
Offers extensive lab and field work integrated with classroom learning
Renton, Washington
Focused on rapid skill acquisition with strong industry connections
Online & Hybrid Options
Some hybrid options available, combining online theory classes with in-person practical sessions.
How to Choose a Program
- •Consider the balance between cost, duration, and the type of training offered when selecting a program.
Financial Aid & Free Training
Get free Journeyman Plumber License program info for Washington
Renewal Requirements
Renewal Period
Every 2 years
Renewal Fee
Not specified
CE Hours
Not specified hours
Work requirement: Not specified
CE Topics: Code updates, Safety practices
Out-of-State Reciprocity
Washington recognizes plumbing licenses from other states, subject to verification and possible additional requirements.
Requirements for Reciprocity
- Verification of out-of-state license
- Compliance with Washington state codes
State Agreements
Specific states not listed
Additional Exams
Possible depending on state
Application Process
Submit an application for review by the Department of Labor and Industries
Fees
Not specified
Processing Time: Varies based on review requirements
Licensing Tips
Ensure all personal information is accurate and up-to-date to avoid delays.
Review the latest version of the Uniform Plumbing Code with Washington State amendments before the exam.
Recommended Resources
Washington Plumbers Licensing Exam Guide
Provides a series of practice questions and answers modeled after the actual Washington journeyman plumber exam.
Journeyman Plumber's Exam Secrets Study Guide
Offers comprehensive review material and practice tests specifically designed for the journeyman plumber's exam.
DEWALT Plumbing Licensing Exam Guide: Based on the IPC
Focuses on teaching the codes and calculations plumbers need to master for the exams, includes tips for test-taking strategies.
Plumber's Exam Preparation Guide by Howard C. Massey
Contains numerous test questions and answers, covering all aspects of plumbing theory, codes, and knowledge expected from a journeyman.
RIDGID 31010 Model 10 Heavy-Duty Straight Pipe Wrench, 10-inch
Essential for gripping and turning pipes, a fundamental tool for practical plumbing tasks.
Bernzomatic TS8000 - High Intensity Trigger Start Torch
Used for soldering copper pipes, a critical skill in both training and on the job.
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Sources
- Bureau of Labor StatisticsAccessed 2026-02-12
- Washington Licensing BoardAccessed 2026-02-12
- CareerOneStopAccessed 2026-02-12