Plumber.
Seattle.
$74,000
median salary, 23% above the national average
$57,000 to $97,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
The median Plumber salary in Seattle is $74,000, 23% above the national average. Entry level starts near $57,000. Experienced professionals push past $97,000. Seattle is home to Amazon, Microsoft, and a dense cluster of cloud computing, gaming, and AI companies. That spread is your negotiation window.
Salary range
Tap to place your salary
How Seattle compares
Seattle, WA
$74,000
Cost of living: 24% above average
National Average
$60,000
Seattle is $14,000 above
What you should know
If you are interviewing for Plumber roles in Seattle, here is what you are walking into. Seattle is home to Amazon, Microsoft, and a dense cluster of cloud computing, gaming, and AI companies. The presence of major tech headquarters drives some of the highest engineering salaries outside the Bay Area. Seattle's job market is particularly strong for cloud infrastructure, machine learning, and enterprise software roles. Licensed master plumbers earn 25 to 35% more than journeymen, with commercial and industrial specialization pushing pay to the top of the range. Plumbers who handle gas line work, backflow prevention, or medical gas systems command premium rates. Union membership in major metro areas provides the strongest wage floors.
Apprentice plumbers start at $32,000 to $40,000 during their four to five year apprenticeship. Journeymen earn $46,000 to $65,000, while master plumbers reach $65,000 to $85,000. Plumbing contractors who run their own businesses can earn $90,000 to $150,000 or more. In Seattle, those numbers run higher. The cost of living here is 24% above average, and employers adjust to compete.
Base salary is not the full picture. Union plumbers receive health insurance, pension contributions, and annuity funds worth $15,000 to $25,000 annually on top of wages. Overtime during emergency calls can add $8,000 to $15,000 per year, especially for on-call residential specialists. And on the tax side: washington State has no personal income tax, which significantly boosts take home pay. However, state and local sales taxes are among the highest in the country at roughly 10.25%. When someone quotes you $74,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Remind employers that no state income tax makes your effective compensation higher. You can accept a slightly lower gross salary and still take home more than in California. The range for Plumbers in Seattle runs from $57,000 to $97,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Top industries in Seattle
Negotiating in Seattle
Remind employers that no state income tax makes your effective compensation higher. You can accept a slightly lower gross salary and still take home more than in California.