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Washington · Boilermaker · 14 counties

Boilermaker prevailing wage, King County group, Washington (14 counties)

L&I sets the same boilermaker rates, row for row, in 14 counties: Clallam, Cowlitz, Grays Harbor, Island, Jefferson, King, Kitsap, Lewis, Mason, Pacific, Pierce, San Juan, Thurston and Wahkiakum. Every figure on this page applies in each of them.

$80.89an hour, total

$46.51 wage + $34.38 fringe benefits

On Washington public works in each of these 14 counties, a boilermaker must be paid at least $80.89 an hour in total: $46.51 in wages plus $34.38 in fringe benefits for health, pension, vacation, training and other plans. L&I's rate took effect September 2, 2026.

L&I published this rate on August 3, 2026 and it took effect September 2, 2026. Checked against L&I's wage lookup on October 24, 2026.

Base wage and fringe: $46.51 + $34.38

The wage is the taxable hourly rate. The other lines are what Washington law calls "usual benefits": contributions to health, pension, vacation and holiday, apprenticeship and similar plans. A contractor that doesn't provide a benefit pays its value as wages instead (RCW 39.12.010).

Base wage (taxable)$46.51
Health and welfare$8.57
Pension$18.72
Vacation and holiday$4.25
Training$1.50
Other benefits$1.34
Total straight-time hourly rate$80.89

Set from: collective bargaining agreement, Western States Articles of Agreement Between the International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers AFL-CIO and the Signatory Contractors. Where a county has a collective bargaining agreement, L&I adopts its wage and benefits; with more than one, the higher rate prevails. Otherwise L&I uses wage surveys (RCW 39.12.015).

Holidays

L&I holiday code 5N:

Holidays: New Year's Day, Presidents' Day, Memorial Day, Independence Day, Labor Day, Veteran's Day, Thanksgiving Day, the Friday after Thanksgiving Day, and Christmas Day (9).

When this rate changes

How the King County group compares

The main boilermaker rate in every county that has one, and how the pay splits here and in the nearest counties. All bars use the same scale.

Every county in Washington

$77.39Adams$83.89Skagit
KingNearby: Clallam $80.89, Cowlitz $80.89, Grays Harbor $80.89, Island $80.89, Jefferson $80.89, Kitsap $80.89, Lewis $80.89, Mason $80.89, Pacific $80.89, Pierce $80.89, San Juan $80.89, Thurston $80.89, Wahkiakum $80.89Each column is a group of counties with about the same main rate; its height is how many. 3 counties pay more than King, 13 the same, 22 less.

Wage and fringe benefits, nearby

  1. King County groupbase $46.51$80.89
  2. Pierce Countybase $46.51$80.89
  3. Snohomish Countybase $49.51$83.89
  4. Kitsap Countybase $46.51$80.89

Which county is in which boilermaker group

Every Washington county with a boilermaker rate. Counties L&I treats alike share one page; the rest have their own. You pay the rate for the county where the work is done.

CountiesMain classificationTotalBase
Snohomish County group, 3 counties: Skagit, Snohomish, WhatcomJourney Level$83.89 $49.51 
King County group, 14 counties: Clallam, Cowlitz, Grays Harbor, Island, Jefferson, King, Kitsap, Lewis, Mason, Pacific, Pierce, San Juan, Thurston, WahkiakumJourney Level$80.89 $46.51 
Spokane County group, 22 counties: Adams, Asotin, Benton, Chelan, Clark, Columbia, Douglas, Ferry, Franklin, Garfield, Grant, Kittitas, Klickitat, Lincoln, Okanogan, Pend Oreille, Skamania, Spokane, Stevens, Walla Walla, Whitman, YakimaJourney Level$77.39 $47.67 

3 groups of counties with identical L&I rates, and 0 counties with rates of their own.

Washington boilermaker prevailing wage by county, with a map

More from L&I on this rate

  • Scope of work, WAC 296-127-01305: which tasks this trade covers. L&I says the right classification “depends upon determinations published by L&I” (L&I).
  • L&I's prevailing wage lookup, for any county, trade and bid date
  • Apprentices: registered apprentices are paid L&I's apprentice rate for the trade. Anyone without a registered agreement counts as a journey-level worker (RCW 39.12.021).

Every trade's rates, county by county: Clallam · Cowlitz · Grays Harbor · Island · Jefferson · King · Kitsap · Lewis · Mason · Pacific · Pierce · San Juan · Thurston · Wahkiakum

Are you being paid this rate?

Add your wage to what your employer pays into health, pension and other plans for you, and compare it with $80.89. Each contractor files an L&I-approved Statement of Intent to Pay Prevailing Wages before it's paid, and an Affidavit of Wages Paid when the job is accepted (RCW 39.12.040). On contracts over $10,000 the approved intent and L&I's contact details are posted on the job site (RCW 39.12.020).

Source

Washington State Department of Labor & Industries, prevailing wage lookup, Boilermakers (BOIL), published August 3, 2026, effective September 2, 2026: secure.lni.wa.gov/wagelookup/. L&I keeps a wage record for each county; for the row this page leads with:

Each figure comes from L&I's lookup and is checked against L&I's CSV export and a second, separate query. How we check · Download every Washington rate as CSV · Report an error