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Washington · Modular Building Worker · 27 counties
Modular Building Worker prevailing wage, Pierce County group, Washington (27 counties)
L&I sets the same modular building worker rates, row for row, in 27 counties: Adams, Asotin, Benton, Clallam, Clark, Columbia, Cowlitz, Ferry, Franklin, Garfield, Grant, Island, Jefferson, Klickitat, Lincoln, Okanogan, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Spokane, Stevens, Wahkiakum, Walla Walla, Whatcom and Whitman. Every figure on this page applies in each of them.
$17.13an hour, total
$8.55 wage + $8.58 fringe benefits
On Washington public works in each of these 27 counties, a modular building worker must be paid at least $17.13 an hour. L&I's wage and benefit figures for this rate add up to $8.55, below the state minimum wage, so L&I publishes the rate at the 2026 minimum wage of $17.13.
L&I published this rate on August 2, 2010 and it took effect September 1, 2010. 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: $8.55 + $8.58
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) | $8.55 |
| Raised to the state minimum wage | $8.58 |
| Total straight-time hourly rate | $17.13 |
L&I's wage and benefit columns for this row add up to $8.55. That is below Washington's 2026 minimum wage, so L&I publishes the total at $17.13, the minimum wage (L&I minimum wage).
Set from: L&I wage survey (weighted average). 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).
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 2, 2010 and took effect September 1, 2010.
- This rate sits at the state minimum wage, which L&I applies by date. From January 1, 2027 the minimum wage is $17.73 (L&I minimum wage), and L&I's lookup already returns this rate at $17.73 for 2027 award dates.
How the Pierce County group compares
The main modular building worker 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
Wage and fringe benefits, nearby
- Pierce County groupbase $8.55$17.13
- Lewis Countybase $9.98$17.13
- Thurston Countybase $9.98$17.13
- King Countybase $11.56$17.13
Which county is in which modular building worker group
Every Washington county with a modular building worker 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 |
|---|---|---|---|
| Pierce County group, 27 counties: Adams, Asotin, Benton, Clallam, Clark, Columbia, Cowlitz, Ferry, Franklin, Garfield, Grant, Island, Jefferson, Klickitat, Lincoln, Okanogan, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Spokane, Stevens, Wahkiakum, Walla Walla, Whatcom, Whitman | Journey Level | $17.13 | $8.55 |
| Thurston County group, 5 counties: Grays Harbor, Lewis, Mason, Pacific, Thurston | Cabinet Assembly | $17.13 | $9.98 |
| Yakima County group, 4 counties: Chelan, Douglas, Kittitas, Yakima | Journey Level | $17.13 | $14.11 |
| King County group, 2 counties: King, Kitsap | Cabinet Assembly | $17.13 | $11.56 |
| Snohomish County | Journey Level | $17.13 | $9.00 |
4 groups of counties with identical L&I rates, and 1 county with rates of its own.
Washington modular building worker prevailing wage by county, with a map
More from L&I on this rate
- 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: Adams · Asotin · Benton · Clallam · Clark · Columbia · Cowlitz · Ferry · Franklin · Garfield · Grant · Island · Jefferson · Klickitat · Lincoln · Okanogan · Pend Oreille · Pierce · San Juan · Skagit · Skamania · Spokane · Stevens · Wahkiakum · Walla Walla · Whatcom · Whitman
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 $17.13. 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, Modular Buildings (MODU), published August 2, 2010, effective September 1, 2010: secure.lni.wa.gov/wagelookup/. L&I keeps a wage record for each county; for the row this page leads with:
- Adams County: L&I wage record 134583
- Asotin County: L&I wage record 134584
- Benton County: L&I wage record 134585
- Clallam County: L&I wage record 134587
- Clark County: L&I wage record 134588
- Columbia County: L&I wage record 134589
- Cowlitz County: L&I wage record 134590
- Ferry County: L&I wage record 134592
- Franklin County: L&I wage record 134593
- Garfield County: L&I wage record 134594
- Grant County: L&I wage record 134595
- Island County: L&I wage record 134596
- Jefferson County: L&I wage record 134597
- Klickitat County: L&I wage record 134599
- Lincoln County: L&I wage record 134600
- Okanogan County: L&I wage record 134601
- Pend Oreille County: L&I wage record 134602
- Pierce County: L&I wage record 134603
- San Juan County: L&I wage record 134604
- Skagit County: L&I wage record 134605
- Skamania County: L&I wage record 134606
- Spokane County: L&I wage record 134608
- Stevens County: L&I wage record 134609
- Wahkiakum County: L&I wage record 134610
- Walla Walla County: L&I wage record 134611
- Whatcom County: L&I wage record 134612
- Whitman County: L&I wage record 134613
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