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Washington · Sheet Metal Worker · 4 counties
Sheet Metal Worker prevailing wage, Thurston County group, Washington (4 counties)
L&I sets the same sheet metal worker rates, row for row, in 4 counties: Jefferson, Mason, Thurston and Wahkiakum. Every figure on this page applies in each of them.
$107.92an hour, base wage + fringe benefits · Journey Level
$72.36 base wage + $35.56 fringe benefits
On Washington public works in each of these 4 counties, a sheet metal worker working as journey level must be paid at least $107.92 an hour in total: $72.36 in wages plus $35.56 in fringe benefits for health, pension, vacation, training and other plans. L&I's rate took effect March 4, 2026.
L&I published this rate on February 2, 2026 and it took effect March 4, 2026. 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.
L&I also sets a residential sheet metal worker rate in the Thurston County group: $57.54 an hour. It applies only to the residential projects L&I defines. Residential rates and when they apply.
Base wage and fringe benefits: $72.36 + $35.56
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) | $72.36 |
| Health and welfare | $15.05 |
| Pension | $17.03 |
| Training | $1.27 |
| Other benefits | $2.21 |
| Total straight-time hourly rate | $107.92 |
Set from: collective bargaining agreement, Standard Form of Union Agreement Sheet Metal, Roofing, Ventilating and Air Conditioning Contracting Divisions of the Construction Industry - Seattle-Everett-Bremerton-Tacoma. 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 does this rate change?
- 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 February 2, 2026 and took effect March 4, 2026.
Residential sheet metal worker rates in the Thurston County group
Residential rates apply only to construction, alteration, repair, improvement or maintenance of single-family homes, duplexes, apartments, condominiums and other residential buildings no more than four stories tall (basement included), and only for affordable housing (including permanent supportive and transitional housing), weatherization or rehabilitation of low-income homes, and homeless and domestic-violence shelters. Utilities, streets and structures unrelated to the housing use commercial rates. (WAC 296-127-010(9))
| Classification | Base wage | Fringe benefits | Total rate | Effective |
|---|---|---|---|---|
| Residential Sheet Metal Workers: Journey Level (Field or Shop) | $39.80 | $17.74 | $57.54 | Sep 2, 2026 |
Davis-Bacon sheet metal worker 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 |
|---|---|---|---|---|
| Jefferson 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 | |||
| Thurston County | Federal rates listed on the county page; no one-to-one match | |||
| Wahkiakum County | Federal rates listed on the county page; no one-to-one match | |||
Holidays
L&I holiday code 7F:
Holidays: New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, the Friday after Thanksgiving Day, the last working day before Christmas Day and Christmas Day (8). Any holiday which falls on a Sunday shall be observed as a holiday on the following Monday. Any holiday which falls on a Saturday shall be observed as a holiday on the preceding Friday.
How the Thurston County group compares
The main sheet metal 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
Base wage and fringe benefits, nearby
- Thurston County groupbase $72.36$107.92
- Lewis Countybase $72.36$107.92
- Mason Countybase $72.36$107.92
- Skamania Countybase $57.99$95.17
Which county is in which sheet metal worker group
Every Washington county with a sheet metal 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 | Base wage | Total rate |
|---|---|---|---|
| King County group, 5 counties: Cowlitz, Grays Harbor, King, Pierce, Snohomish | Journey Level (Field or Shop) | $72.36 | $107.92 |
| Thurston County group, 4 counties: Jefferson, Mason, Thurston, Wahkiakum | Journey Level (Field or Shop) | $72.36 | $107.92 |
| Clallam County | Journey Level (Field or Shop) | $72.36 | $107.92 |
| Island County | Journey Level (Field or Shop) | $72.36 | $107.92 |
| Kitsap County | Journey Level (Field or Shop) | $72.36 | $107.92 |
| Lewis County | Journey Level (Field or Shop) | $72.36 | $107.92 |
| Pacific County | Journey Level (Field or Shop) | $72.36 | $107.92 |
| San Juan County | Journey Level (Field or Shop) | $68.05 | $103.56 |
| Skagit County | Journey Level (Field or Shop) | $68.05 | $103.56 |
| Whatcom County | Journey Level (Field or Shop) | $68.05 | $103.56 |
| Clark County group, 2 counties: Clark, Skamania | Journey Level (Field or Shop) | $57.99 | $95.17 |
| Yakima County group, 8 counties: Benton, Columbia, Franklin, Garfield, Kittitas, Klickitat, Walla Walla, Yakima | Journey Level (Field or Shop) | $52.50 | $86.34 |
| Spokane County group, 10 counties: Adams, Asotin, Chelan, Douglas, Ferry, Grant, Lincoln, Okanogan, Pend Oreille, Spokane | Journey Level (Field or Shop) | $50.83 | $85.41 |
| Stevens County | Journey Level (Field or Shop) | $50.83 | $85.41 |
| Whitman County | Journey Level (Field or Shop) | $47.83 | $80.38 |
5 groups of counties with identical L&I rates, and 10 counties with rates of their own.
Washington sheet metal worker prevailing wage by county, with a map
More from L&I on this rate
- Scope of work, WAC 296-127-01372: 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: Jefferson · Mason · 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 $107.92. 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, Sheet Metal Workers (SHEE), published February 2, 2026, effective March 4, 2026: secure.lni.wa.gov/wagelookup/. L&I keeps a wage record for each county; for the row this page leads with:
- Jefferson County: L&I wage record 149322
- Mason County: L&I wage record 149322
- Thurston County: L&I wage record 149322
- Wahkiakum County: L&I wage record 149322
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