What is the Davis-Bacon prevailing wage for a pipefitter in Washington?

There is no single figure. Active federal determinations for Washington publish 59 pipefitter classification rates ranging from $25.98 to $75.21 per hour before fringe benefits. The rate that applies depends on the county, the type of construction and the wage determination incorporated into the contract.

How many counties in Washington have a published pipefitter rate?

39 of the counties covered by active federal determinations list at least one pipefitter classification.

Do these rates apply to state-funded projects?

No. These are federal Davis-Bacon rates, which apply to federally funded or assisted construction. Washington may set its own prevailing wage rates for state and locally funded work; the state law summary is on the Washington prevailing wage page.

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Pipefitter prevailing wage rates in Washington

Federal Davis-Bacon rates published in 55 active determinations, 2026

Active federal Davis-Bacon determinations for Washington publish 59 pipefitter classification rates, across 55 determinations covering 39 counties.
Those published base rates run from $25.98 to $75.21 an hour before fringe benefits. Which one applies to a job depends on its county, its construction type and the determination written into the contract.
Construction types covered: Building, Heavy, Highway.
Last determination revision affecting pipefitter rates in Washington: 2026-05-20.

The official source: binding Davis-Bacon and Service Contract Act wage determinations are published by the U.S. Department of Labor at SAM.gov Wage Determinations. This site indexes them and links every determination to its official document - the determination incorporated into a contract governs.

This page collects every classification in Washington's active federal determinations that is a form of pipefitter work (process, mechanical and steam piping (including steamfitters)) and shows the rate published for it. Determinations name a classification the way the underlying union agreement or wage survey named it, so the wording varies between them; the rate and the fringe are reproduced exactly as published.

Published rates by determination

WA20260002 rev 2 · Building, Heavy, Highway · Benton, Franklin

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER	$62.95	33.76	SUWA2001-001 DOL wage survey rate

Official document: WA20260002 on SAM.gov.

WA20260003 rev 2 · Building · Asotin

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260003 on SAM.gov.

WA20260021 rev 2 · Building · Adams

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-018 collectively bargained (union) rate

Official document: WA20260021 on SAM.gov.

WA20260024 rev 2 · Building · Ferry

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER (FERRY (EASTERN PART))	$47.19	27.53	PLUM0044-011 collectively bargained (union) rate
PIPEFITTER (FERRY (WESTERN PART))	$65.20	34.91	PLUM0598-019 collectively bargained (union) rate

Official document: WA20260024 on SAM.gov.

WA20260025 rev 2 · Building · Garfield

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-018 collectively bargained (union) rate

Official document: WA20260025 on SAM.gov.

WA20260026 rev 2 · Building · Grant

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-018 collectively bargained (union) rate

Official document: WA20260026 on SAM.gov.

WA20260027 rev 1 · Building · Grays Harbor

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-010 collectively bargained (union) rate

Official document: WA20260027 on SAM.gov.

WA20260028 rev 1 · Building · Island

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-014 collectively bargained (union) rate

Official document: WA20260028 on SAM.gov.

WA20260029 rev 1 · Building · Jefferson

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$75.21	33.88	PLUM0032-012 collectively bargained (union) rate

Official document: WA20260029 on SAM.gov.

WA20260030 rev 1 · Building · Kittitas

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER (KITTITAS (NORTHERN TIP) COUNTY)	$75.21	33.88	PLUM0032-001 collectively bargained (union) rate
PIPEFITTER (KITTITAS (ALL BUT NORTHERN TIP))	$65.20	34.91	PLUM0598-002 collectively bargained (union) rate

Official document: WA20260030 on SAM.gov.

WA20260031 rev 1 · Building · Klickitat

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-006 collectively bargained (union) rate

Official document: WA20260031 on SAM.gov.

WA20260032 rev 1 · Building · Lewis

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-010 collectively bargained (union) rate

Official document: WA20260032 on SAM.gov.

WA20260033 rev 2 · Building · Lincoln

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$47.19	27.53	PLUM0044-012 collectively bargained (union) rate

Official document: WA20260033 on SAM.gov.

WA20260034 rev 1 · Building · Mason

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER (MASON (EXCLUDING NE SECTION) COUNTY)	$60.72	34.15	PLUM0026-004 collectively bargained (union) rate
PIPEFITTER (MASON (NE SECTION) COUNTY)	$60.72	34.15	PLUM0026-017 collectively bargained (union) rate

Official document: WA20260034 on SAM.gov.

WA20260035 rev 2 · Building · Okanogan

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER (OKANOGAN COUNTY WHICH LIES WEST OF THE 120TH MERIDIAN)	$75.21	33.88	PLUM0032-004 collectively bargained (union) rate
PIPEFITTER (OKANOGAN COUNTY WHICH LIES EAST OF THE 120TH MERIDIAN)	$65.20	34.91	PLUM0598-020 collectively bargained (union) rate

Official document: WA20260035 on SAM.gov.

WA20260036 rev 1 · Building · Pacific

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-010 collectively bargained (union) rate

Official document: WA20260036 on SAM.gov.

WA20260038 rev 1 · Building · San Juan

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-014 collectively bargained (union) rate

Official document: WA20260038 on SAM.gov.

WA20260040 rev 1 · Building · Wahkiakum

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-010 collectively bargained (union) rate

Official document: WA20260040 on SAM.gov.

WA20260042 rev 2 · Building · Whitman

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$47.15	27.20	PLUM0044-002 collectively bargained (union) rate

Official document: WA20260042 on SAM.gov.

WA20260043 rev 2 · Heavy · Adams

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$25.98	3.98	SUWA2009-034 DOL wage survey rate

Official document: WA20260043 on SAM.gov.

WA20260044 rev 1 · Heavy · Clallam

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$30.00	8.35	SUWA2009-035 DOL wage survey rate

Official document: WA20260044 on SAM.gov.

WA20260045 rev 2 · Heavy · Grant

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$25.98	3.98	SUWA2009-036 DOL wage survey rate

Official document: WA20260045 on SAM.gov.

WA20260046 rev 1 · Heavy · Grays Harbor

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$30.00	8.35	SUWA2009-037 DOL wage survey rate

Official document: WA20260046 on SAM.gov.

WA20260047 rev 1 · Heavy · Island

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$30.00	8.35	SUWA2009-038 DOL wage survey rate

Official document: WA20260047 on SAM.gov.

WA20260048 rev 1 · Heavy · Jefferson

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$30.00	8.35	SUWA2009-039 DOL wage survey rate

Official document: WA20260048 on SAM.gov.

WA20260049 rev 1 · Heavy · Kittitas

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$25.98	3.98	SUWA2009-040 DOL wage survey rate

Official document: WA20260049 on SAM.gov.

WA20260050 rev 2 · Heavy · Klickitat

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$28.85	11.55	SUWA2009-041 DOL wage survey rate

Official document: WA20260050 on SAM.gov.

WA20260051 rev 1 · Heavy · Lewis

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$33.30	6.51	SUWA2009-042 DOL wage survey rate

Official document: WA20260051 on SAM.gov.

WA20260053 rev 1 · Heavy · Mason

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$30.00	8.35	SUWA2009-044 DOL wage survey rate

Official document: WA20260053 on SAM.gov.

WA20260054 rev 2 · Heavy · Okanogan

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$25.98	3.98	SUWA2009-045 DOL wage survey rate

Official document: WA20260054 on SAM.gov.

WA20260055 rev 1 · Heavy · Pacific

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$33.77	8.82	SUWA2009-046 DOL wage survey rate

Official document: WA20260055 on SAM.gov.

WA20260057 rev 1 · Heavy · San Juan

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$30.00	8.35	SUWA2009-048 DOL wage survey rate

Official document: WA20260057 on SAM.gov.

WA20260059 rev 1 · Heavy · Wahkiakum

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$33.77	8.82	SUWA2009-050 DOL wage survey rate

Official document: WA20260059 on SAM.gov.

WA20260102 rev 2 · Building · Benton

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260102 on SAM.gov.

WA20260103 rev 1 · Building · Chelan

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260103 on SAM.gov.

WA20260104 rev 2 · Building · Columbia

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260104 on SAM.gov.

WA20260105 rev 1 · Building · Cowlitz

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260105 on SAM.gov.

WA20260106 rev 1 · Building · Douglas

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260106 on SAM.gov.

WA20260107 rev 2 · Building · Franklin

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260107 on SAM.gov.

WA20260108 rev 1 · Building · King

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$75.21	33.88	PLUM0032-003 collectively bargained (union) rate

Official document: WA20260108 on SAM.gov.

WA20260109 rev 1 · Building · Kitsap

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260109 on SAM.gov.

WA20260110 rev 2 · Building · Pend Oreille

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260110 on SAM.gov.

WA20260111 rev 1 · Building · Pierce

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260111 on SAM.gov.

WA20260112 rev 1 · Building · Skagit

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260112 on SAM.gov.

WA20260113 rev 1 · Building · Snohomish

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260113 on SAM.gov.

WA20260114 rev 2 · Building · Spokane

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260114 on SAM.gov.

WA20260115 rev 2 · Building · Stevens

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260115 on SAM.gov.

WA20260116 rev 1 · Building · Thurston

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260116 on SAM.gov.

WA20260117 rev 2 · Building · Walla Walla

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260117 on SAM.gov.

WA20260118 rev 1 · Building · Whatcom

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260118 on SAM.gov.

WA20260119 rev 1 · Building · Yakima

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$65.20	34.91	PLUM0598-001 collectively bargained (union) rate

Official document: WA20260119 on SAM.gov.

WA20260120 rev 1 · Building · Clark, Skamania

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$60.72	34.15	PLUM0026-015 collectively bargained (union) rate

Official document: WA20260120 on SAM.gov.

WA20260125 rev 1 · Heavy · King

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$75.21	33.88	PLUM0032-002 collectively bargained (union) rate

Official document: WA20260125 on SAM.gov.

WA20260127 rev 1 · Heavy · Pierce

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$75.21	33.88	PLUM0032-002 collectively bargained (union) rate

Official document: WA20260127 on SAM.gov.

WA20260129 rev 1 · Heavy · Snohomish

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER	$75.21	33.88	PLUM0032-002 collectively bargained (union) rate

Official document: WA20260129 on SAM.gov.

Where to go next

Pipefitter rates in every state · Washington prevailing wage and state law · Washington determinations by county · pay calculator

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