Thinking about becoming a plumber in Washington—or just wondering if it’s a well-paying trade? You’re not alone. Many skilled workers and career-changers want to know how much a plumber makes in Washington State, especially with rising housing demand and infrastructure needs. Whether you’re exploring vocational paths or negotiating your next contract, this guide delivers clear, up-to-date salary insights backed by real data and industry trends.
What Is the Average Plumber Salary in Washington State?
As of 2025, the average annual salary for a plumber in Washington State is $78,420, according to the U.S. Bureau of Labor Statistics (BLS). This is 18% higher than the national average for plumbers ($66,500), reflecting Washington’s strong demand for skilled trades and higher cost of living—especially in urban centers like Seattle and Tacoma.
Hourly wages typically range from $28 to $45, depending on experience, certification level, and location within the state.
💡 Pro Tip: Journey-level plumbers with 5+ years of experience often earn $50+/hour in high-demand areas like King County.
How Do Plumber Salaries Vary by City in Washington?
Location plays a huge role in earnings. Here’s a snapshot of average annual plumber salaries across major Washington cities (2025 estimates):
| Seattle | $86,200 | $41.44 |
| Spokane | $71,500 | $34.38 |
| Tacoma | $79,800 | $38.37 |
| Bellevue | $88,900 | $42.74 |
| Bellingham | $74,300 | $35.72 |
Why the difference?
Urban areas like Seattle and Bellevue have higher construction activity, stricter building codes, and greater competition for skilled labor—driving up wages. Rural regions may offer fewer jobs but lower living costs, balancing overall financial impact.
What Factors Influence a Plumber’s Earnings in Washington?
Several key variables affect how much you can earn as a plumber in WA:
- Licensing Level: Washington requires plumbers to be licensed. Apprentices earn less ($20–$28/hr), while journey-level and master plumbers command premium rates.
- Specialization: Pipefitters, gas fitters, or green plumbing specialists often earn 10–20% more.
- Employment Type: Self-employed plumbers can set higher rates but manage overhead. Union plumbers (e.g., through UA Local 32) often receive better wages + benefits.
- Overtime & Emergency Calls: Many plumbers earn time-and-a-half for nights, weekends, or emergency repairs—boosting annual income by $5,000–$15,000.
📌 Example: A master plumber in Seattle doing 10 emergency calls/month at $125/hr (after hours) can add $12,500/year to their base salary.
How to Become a Licensed Plumber in Washington (Step-by-Step)
Washington doesn’t issue state-wide plumbing licenses—but certification is managed locally through cities or counties. However, most jurisdictions follow similar pathways:
- Complete a High School Diploma or GED
Focus on math, physics, and shop classes. - Enroll in a State-Approved Apprenticeship
Programs typically last 4–5 years and combine 8,000+ hours of on-the-job training with classroom instruction.
→ Find programs via the Washington State Department of Labor & Industries . - Pass the Journey-Level Exam
Administered by your local jurisdiction (e.g., Seattle Department of Construction & Inspections). Covers code compliance, safety, and system design. - Work 2–4 Years as a Journey Plumber
Gain experience before pursuing Master Plumber status (required to pull permits or run a business). - Maintain Continuing Education
Required in many counties to renew certification every 2–3 years.
🔗 For background on plumbing standards, see the Wikipedia entry on plumbing .
Plumber Salary vs. Other Skilled Trades in Washington
How does plumbing stack up against similar careers? Here’s a 2025 comparison:
| Plumber | $78,420 |
| Electrician | $81,200 |
| HVAC Technician | $74,900 |
| Carpenter | $69,800 |
| Welder | $63,500 |
While electricians edge out plumbers slightly, plumbing offers stronger long-term stability due to universal need (every building requires water systems). Plus, plumbers often have lower startup costs for self-employment compared to HVAC or electrical work.
Can You Make Six Figures as a Plumber in Washington?
Yes—absolutely. Top-earning plumbers in Washington regularly surpass $100,000/year. Here’s how:
- Own a plumbing business: Owners report net incomes of $90,000–$150,000+ after expenses.
- Specialize in commercial or industrial plumbing: These projects pay $60–$90/hour.
- Work in high-cost urban zones: Seattle-area master plumbers average $92,000+.
- Offer 24/7 emergency services: Premium pricing applies.
🗣️ Real-World Example: Jake M., a master plumber in Bellevue, runs a two-person shop. In 2024, his business grossed $220,000, with a personal take-home of $118,000 after payroll, insurance, and vehicle costs.
FAQ: How Much Does a Plumber Make in Washington State?
Q1: Do plumbers in Washington make more than the national average?
Yes. Washington plumbers earn about 18% more than the U.S. average, thanks to strong demand, union presence, and high construction activity.
Q2: How much do apprentice plumbers make in WA?
Apprentices typically start at $20–$25/hour, with wages increasing each year of training. By year 4, many earn $30–$35/hour.
Q3: Is plumbing a good career in Washington long-term?
Absolutely. The BLS projects 11% job growth for plumbers nationwide through 2032—faster than average. Washington’s population growth and aging infrastructure ensure steady demand.
Q4: Do I need a license to work as a plumber in Washington?
Yes—but licensing is local, not state-wide. Check with your city or county (e.g., Seattle, Spokane, or Pierce County) for specific requirements.
Q5: Can I work as a plumber in Washington with an out-of-state license?
Not automatically. Washington doesn’t have reciprocity with other states. You’ll likely need to pass a local exam, though some jurisdictions grant credit for prior experience.
Q6: What’s the highest-paying plumbing job in Washington?
Master plumbers who own businesses or specialize in commercial high-rises, medical gas systems, or seismic plumbing retrofits earn the most—often $95,000–$130,000/year.
Final Thoughts: Is Plumbing Worth It in Washington?
If you’re looking for a stable, well-paid, recession-resistant career with clear advancement paths, plumbing in Washington is a smart choice. With average earnings near $80,000, strong union support, and opportunities to build your own business, it’s no wonder more people are turning to the trades.
Plus, you’ll be solving real problems—fixing leaks, installing sustainable systems, and keeping communities running. That’s meaningful work with serious earning potential.
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