Skip to content

Home / Washington / Operating Engineer

Washington · Operating Engineer

Washington operating engineer prevailing wage, county by county

An operating engineer's prevailing wage on Washington public works runs from $68.01 an hour in Whitman County to $96.99 in King County, wages and fringe benefits together. The median county is $92.69.

Main operating engineer classification in each county, L&I period 2026-2, commercial rates. Checked October 24, 2026.

Pierce County operating engineer: $93.71 per hourAdams County operating engineer: $71.08 per hourPend Oreille County operating engineer: $71.08 per hourKing County operating engineer: $96.99 per hourChelan County operating engineer: $93.00 per hourKittitas County operating engineer: $93.00 per hourGarfield County operating engineer: $68.01 per hourGrant County operating engineer: $71.08 per hourOkanogan County operating engineer: $93.00 per hourFranklin County operating engineer: $68.01 per hourKlickitat County operating engineer: $73.15 per hourClark County operating engineer: $73.15 per hourSkagit County operating engineer: $93.71 per hourWalla Walla County operating engineer: $68.01 per hourPacific County operating engineer: $92.69 per hourCowlitz County operating engineer: $73.15 per hourWahkiakum County operating engineer: $73.15 per hourLewis County operating engineer: $92.69 per hourClallam County operating engineer: $93.00 per hourGrays Harbor County operating engineer: $93.00 per hourJefferson County operating engineer: $93.00 per hourLincoln County operating engineer: $68.01 per hourMason County operating engineer: $93.00 per hourSan Juan County operating engineer: $93.00 per hourStevens County operating engineer: $71.08 per hourWhatcom County operating engineer: $93.71 per hourDouglas County operating engineer: $93.00 per hourSnohomish County operating engineer: $96.99 per hourThurston County operating engineer: $93.71 per hourColumbia County operating engineer: $71.08 per hourYakima County operating engineer: $93.00 per hourBenton County operating engineer: $68.01 per hourIsland County operating engineer: $93.00 per hourSpokane County operating engineer: $68.01 per hourWhitman County operating engineer: $68.01 per hourFerry County operating engineer: $71.08 per hourSkamania County operating engineer: $73.15 per hourAsotin County operating engineer: $68.01 per hourKitsap County operating engineer: $93.71 per hour
$68$68$73$93$93$96Operating Engineer, main rate, total per hour. Each shade holds about a fifth of the counties.

How much does an operating engineer make on prevailing wage in Washington?

8 groups of counties with identical rates and 3 counties with rates of their own, highest main rate first, each split into wage and fringe benefits on one scale. The table below lists which counties are in each group.

  1. King County group2 counties$96.99
  2. Whatcom County group2 counties$93.71
  3. Kitsap County1 county$93.71
  4. Pierce County1 county$93.71
  5. Thurston County1 county$93.71
  6. Yakima County group9 counties$93.00
  7. Island County group2 counties$93.00
  8. Lewis County group2 counties$92.69
  9. Clark County group5 counties$73.15
  10. Grant County group6 counties$71.08
  11. Spokane County group8 counties$68.01

Which counties pay which rate

CountiesMain classificationTotalBase
King County group, 2 counties: King, SnohomishShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$96.99 $66.75 
Whatcom County group, 2 counties: Skagit, WhatcomShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$93.71 $63.55 
Kitsap CountyShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$93.71 $63.55 
Pierce CountyShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$93.71 $63.55 
Thurston CountyShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$93.71 $63.55 
Yakima County group, 9 counties: Chelan, Clallam, Douglas, Grays Harbor, Jefferson, Kittitas, Mason, Okanogan, YakimaShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$93.00 $62.85 
Island County group, 2 counties: Island, San JuanShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$93.00 $62.85 
Lewis County group, 2 counties: Lewis, PacificShovel, Excavator, Backhoes, Tractors: 15 To 30 Metric Tons$92.69 $62.56 
Clark County group, 5 counties: Clark, Cowlitz, Klickitat, Skamania, WahkiakumExcavator Operator, Over 20,000 Lbs Through 80,000 Lbs(group 4)$73.15 $55.60 
Grant County group, 6 counties: Adams, Columbia, Ferry, Grant, Pend Oreille, StevensShovel, excavator, backhoe, tractor: 15 to 30 metric tons$71.08 $45.59 
Spokane County group, 8 counties: Asotin, Benton, Franklin, Garfield, Lincoln, Spokane, Walla Walla, WhitmanShovel, excavator, backhoe, tractor: 15 to 30 metric tons$68.01 $42.59 

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

These are journey-level rates. Registered apprentices are paid L&I's apprentice rate for the trade (RCW 39.12.021), which L&I publishes in its wage lookup.

Questions about Washington operating engineer pay

What is the operating engineer prevailing wage in King County?

$96.99 an hour: a $66.75 base wage plus $30.24 in fringe benefits, under L&I period 2026-2. Overtime and every operating engineer classification in King County.

Does operating engineer prevailing wage include fringe benefits?

Yes. In King County the $96.99 total is a $66.75 base wage plus $30.24 in fringe benefits, about 31% of the total. The employer owes the full amount for every hour worked.

Do apprentice operating engineers get this rate?

Registered apprentices get L&I's apprentice rate for the trade (RCW 39.12.021), which L&I publishes in its wage lookup. Anyone else on the job is paid as a journey-level worker.

Why do some counties have the same operating engineer rate?

L&I often publishes the same operating engineer rates for several counties. Across Washington, the 39 counties with an operating engineer rate fall into 11 distinct sets of rates, and 8 of those sets are shared by more than one county; the largest covers 9 counties (the Yakima County group).

Which county pays operating engineers the most in Washington?

King County, at $96.99 an hour for the main classification. The lowest is Whitman County at $68.01, and the median county is $92.69.