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Millwright prevailing wage, Pierce County group, Washington (13 counties)

L&I sets the same millwright rates, row for row, in 13 counties: Clallam, Grays Harbor, Island, Jefferson, Kitsap, Lewis, Mason, Pierce, San Juan, Skagit, Snohomish, Thurston and Whatcom. Every figure on this page applies in each of them.

$80.28an hour, total

$57.81 wage + $22.47 fringe benefits

On Washington public works in each of these 13 counties, a millwright must be paid at least $80.28 an hour in total: $57.81 in wages plus $22.47 in fringe benefits for health, pension, vacation, training and other plans. L&I's rate took effect August 31, 2024.

L&I published this rate on August 1, 2024 and it took effect August 31, 2024. L&I hasn't changed it since, so it is still current in period 2026-2. Checked against L&I's wage lookup on October 24, 2026.

Base wage and fringe: $57.81 + $22.47

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)	$57.81
Health and welfare	$8.75
Pension	$12.19
Training	$1.08
Other benefits	$0.45
Total straight-time hourly rate	$80.28

Set from: collective bargaining agreement, 2021-2024 Agreement between Associated General Contractors of Washington and Carpenters, Piledrivers and Millwrights of the Pacific Northwest Regional Council of Carpenters of the United Brotherhood of Carpenters and Joiners of America. 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).

Overtime

L&I overtime code 4C:

Overtime Calculations are based on the hourly rate actually paid to the worker. On public works projects, the hourly rate must be not less than the prevailing rate of wage minus the hourly rate of the cost of fringe benefits actually provided for the worker.

ALL HOURS WORKED IN EXCESS OF EIGHT (8) HOURS PER DAY OR FORTY (40) HOURS PER WEEK SHALL BE PAID AT ONE AND ONE-HALF TIMES THE HOURLY RATE OF WAGE.

On Monday through Friday, the first four (4) hours of overtime after eight (8) hours of straight time work shall be paid at one and one half (1-1/2) times the straight time rate of pay, unless a four (4) day ten (10) hour workweek has been established. On a four (4) day ten (10) hour workweek scheduled Monday through Thursday, or Tuesday through Friday, the first two (2) hours of overtime after ten (10) hours of straight time work shall be paid at one and one half (1-1/2) times the straight time rate of pay.

On Saturday, the first twelve (12) hours of work shall be paid at one and one half (1-1/2) times the straight time rate of pay, except that if the job is down on Monday through Friday due to weather conditions or other conditions outside the control of the employer, the first ten (10) hours on Saturday may be worked at the straight time rate of pay.

All hours worked over twelve (12) hours in a day and all hours worked on Sunday and Holidays shall be paid at two (2) times the straight time rate of pay.

Washington has no single overtime rule for prevailing wage. Each rate carries its own L&I code, copied here as published.

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Davis-Bacon millwright rates in these counties

The counties share L&I's rates, but not always the same federal wage determination. When a contract requires both the state rate and the Davis-Bacon rate, paying the higher of the two meets both. The contract documents say which apply.

County	Federal classification	Base + fringe	WD	vs L&I
Clallam County	Federal rates listed on the county page; no one-to-one match
Grays Harbor County	Federal rates listed on the county page; no one-to-one match
Island County	Federal rates listed on the county page; no one-to-one match
Jefferson County	Federal rates listed on the county page; no one-to-one match
Kitsap County	Federal rates listed on the county page; no one-to-one match
Lewis County	Federal rates listed on the county page; no one-to-one match
Mason County	Federal rates listed on the county page; no one-to-one match
Pierce County	Federal rates listed on the county page; no one-to-one match
San Juan County	Federal rates listed on the county page; no one-to-one match
Skagit County	Federal rates listed on the county page; no one-to-one match
Snohomish County	Federal rates listed on the county page; no one-to-one match
Thurston County	Federal rates listed on the county page; no one-to-one match
Whatcom County	Federal rates listed on the county page; no one-to-one match

Holidays

L&I holiday code 15J:

Holidays: New Year's Day, Martin Luther King Jr. Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, the Friday and Saturday after Thanksgiving Day, and Christmas Day (9). Any holiday which falls on a Sunday shall be observed as a holiday on the following Monday. If any of the listed holidays falls on a Saturday, the preceding Friday shall be a regular work day.

When this rate changes

Rates lock at the bid date. A project uses “the rates that are in effect on the date when bids by prime contractors are due”, and they stay for the life of the contract. If the contract isn't awarded within six months of the bid date, the award-date rates apply. Contracts without bids use the date they're signed (WAC 296-127-011).
L&I publishes on the first business day of February and August, and rates take effect 30 days later. Corrections can be published at any time and also take effect 30 days later (WAC 296-127-011(1); L&I publications and corrections). L&I's next set is due February 1, 2027, effective March 3, 2027.
L&I doesn't republish every rate each period. A rate stays until L&I changes it, so each one has its own date. This one was published August 1, 2024 and took effect August 31, 2024.

How the Pierce County group compares

The main millwright 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

Pierce $80.28147

$80.28Chelan$88.94King

PierceNearby: Clallam $80.28, Grays Harbor $80.28, Island $80.28, Jefferson $80.28, Kitsap $80.28, Lewis $80.28, Mason $80.28, San Juan $80.28, Skagit $80.28, Snohomish $80.28, Thurston $80.28, Whatcom $80.28Each column is a group of counties with about the same main rate; its height is how many. 21 counties pay more than Pierce, 17 the same, 0 less.

Wage and fringe benefits, nearby

Pierce County groupbase $57.81$80.28
Lewis Countybase $57.81$80.28
Thurston Countybase $57.81$80.28
King Countybase $64.86$88.94

Which county is in which millwright group

Every Washington county with a millwright 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.

Counties	Main classification	Total	Base
King County	Journey Level	$88.94	$64.86
Clark County group, 6 counties: Clark, Cowlitz, Klickitat, Pacific, Skamania, Wahkiakum	Journey Level	$88.90	$64.82
Spokane County group, 14 counties: Adams, Asotin, Benton, Columbia, Ferry, Franklin, Garfield, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla, Whitman	Journey Level	$85.80	$62.92
Pierce County group, 13 counties: Clallam, Grays Harbor, Island, Jefferson, Kitsap, Lewis, Mason, Pierce, San Juan, Skagit, Snohomish, Thurston, Whatcom	Journey Level	$80.28	$57.81
Yakima County group, 5 counties: Chelan, Douglas, Kittitas, Okanogan, Yakima	Journey Level	$80.28	$57.81

4 groups of counties with identical L&I rates, and 1 county with rates of its own.

Washington millwright prevailing wage by county, with a map

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 $80.28. 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, Millwright (MILL), published August 1, 2024, effective August 31, 2024: secure.lni.wa.gov/wagelookup/. L&I keeps a wage record for each county; for the row this page leads with:

Clallam County: L&I wage record 147821
Grays Harbor County: L&I wage record 147821
Island County: L&I wage record 147821
Jefferson County: L&I wage record 147821
Kitsap County: L&I wage record 147821
Lewis County: L&I wage record 147821
Mason County: L&I wage record 147821
Pierce County: L&I wage record 147821
San Juan County: L&I wage record 147821
Skagit County: L&I wage record 147821
Snohomish County: L&I wage record 147821
Thurston County: L&I wage record 147821
Whatcom County: L&I wage record 147821

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