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Washington sign installer prevailing wage, county by county

A sign installer's prevailing wage on Washington public works runs from $17.13 an hour in Yakima County to $103.56 in Chelan County, wages and fringe benefits together. The median county is $17.13.

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

Pierce County sign installer: $26.17 per hourAdams County sign installer: $17.13 per hourPend Oreille County sign installer: $17.13 per hourKing County sign installer: $66.86 per hourChelan County sign installer: $103.56 per hourKittitas County sign installer: $17.13 per hourGarfield County sign installer: $17.13 per hourGrant County sign installer: $103.56 per hourOkanogan County sign installer: $103.56 per hourFranklin County sign installer: $17.13 per hourKlickitat County sign installer: $17.13 per hourClark County sign installer: $19.27 per hourSkagit County sign installer: $17.13 per hourWalla Walla County sign installer: $17.13 per hourPacific County sign installer: $18.04 per hourCowlitz County sign installer: $17.13 per hourWahkiakum County sign installer: $17.13 per hourLewis County sign installer: $18.04 per hourClallam County sign installer: $66.86 per hourGrays Harbor County sign installer: $18.04 per hourJefferson County sign installer: $66.86 per hourLincoln County sign installer: $17.13 per hourMason County sign installer: $18.04 per hourSan Juan County sign installer: $17.13 per hourStevens County sign installer: $17.13 per hourWhatcom County sign installer: $17.13 per hourDouglas County sign installer: $103.56 per hourSnohomish County sign installer: $26.56 per hourThurston County sign installer: $18.04 per hourColumbia County sign installer: $17.13 per hourYakima County sign installer: $17.13 per hourBenton County sign installer: $17.13 per hourIsland County sign installer: $17.13 per hourSpokane County sign installer: $17.13 per hourWhitman County sign installer: $17.13 per hourFerry County sign installer: $17.13 per hourSkamania County sign installer: $17.13 per hourAsotin County sign installer: $17.13 per hourKitsap County sign installer: $66.86 per hour
$17$17$17$18$66$103Sign Installer, main rate, total per hour. Each shade holds about a fifth of the counties.

How much does a sign installer make on prevailing wage in Washington?

6 groups of counties with identical rates and 16 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. Okanogan County group2 counties$103.56
  2. Chelan County1 county$103.56
  3. Grant County1 county$103.56
  4. King County group4 counties$66.86
  5. Snohomish County1 county$26.56
  6. Pierce County1 county$26.17
  7. Clark County1 county$19.27
  8. Grays Harbor County group3 counties$18.04
  9. Lewis County1 county$18.04
  10. Thurston County1 county$18.04
  11. Yakima County group7 counties$17.13
  12. Whitman County group5 counties$17.13
  13. Klickitat County group2 counties$17.13
  14. Cowlitz County1 county$17.13
  15. Island County1 county$17.13
  16. San Juan County1 county$17.13
  17. Skagit County1 county$17.13
  18. Spokane County1 county$17.13
  19. Stevens County1 county$17.13
  20. Wahkiakum County1 county$17.13
  21. Walla Walla County1 county$17.13
  22. Whatcom County1 county$17.13

Which counties pay which rate

CountiesMain classificationTotalBase
Okanogan County group, 2 counties: Douglas, OkanoganJourney Level$103.56 $68.05 
Chelan CountyJourney Level$103.56 $68.05 
Grant CountyJourney Level$103.56 $68.05 
King County group, 4 counties: Clallam, Jefferson, King, KitsapJourney Level$66.86 $55.92 
Snohomish CountySign Installer$26.56 $26.56 
Pierce CountySign Installer$26.17 $26.17 
Clark CountyJourney Level$19.27 $19.27 
Grays Harbor County group, 3 counties: Grays Harbor, Mason, PacificJourney Level$18.04 $18.04 
Lewis CountyJourney Level$18.04 $18.04 
Thurston CountyJourney Level$18.04 $18.04 
Yakima County group, 7 counties: Asotin, Benton, Columbia, Franklin, Garfield, Kittitas, YakimaJourney Level$17.13 $14.65 
Whitman County group, 5 counties: Adams, Ferry, Lincoln, Pend Oreille, WhitmanJourney Level$17.13 $13.91 
Klickitat County group, 2 counties: Klickitat, SkamaniaJourney Level$17.13 $16.83 
Cowlitz CountyJourney Level$17.13 $16.88 
Island CountyJourney Level$17.13 $16.03 
San Juan CountyJourney Level$17.13 $9.75 
Skagit CountyJourney Level$17.13 $16.03 
Spokane CountyJourney Level$17.13 $13.91 
Stevens CountyJourney Level$17.13 $13.91 
Wahkiakum CountyJourney Level$17.13 $16.88 
Walla Walla CountyJourney Level$17.13 $10.55 
Whatcom CountyJourney Level$17.13 $16.03 

6 groups of counties with identical L&I rates, and 16 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 sign installer pay

What is the sign installer prevailing wage in King County?

$66.86 an hour: a $55.92 base wage plus $10.94 in fringe benefits, under L&I period 2026-2. Overtime and every sign installer classification in King County.

Does sign installer prevailing wage include fringe benefits?

Yes. In King County the $66.86 total is a $55.92 base wage plus $10.94 in fringe benefits, about 16% of the total. The employer owes the full amount for every hour worked.

Do apprentice sign installers 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 sign installer rate?

L&I often publishes the same sign installer rates for several counties. Across Washington, the 39 counties with a sign installer rate fall into 22 distinct sets of rates, and 6 of those sets are shared by more than one county; the largest covers 7 counties (the Yakima County group).

Which county pays sign installers the most in Washington?

Chelan County, at $103.56 an hour for the main classification. The lowest is Yakima County at $17.13, and the median county is $17.13.