What is the Davis-Bacon prevailing wage for a plumber in Wisconsin?

There is no single figure. Active federal determinations for Wisconsin publish 41 plumber classification rates ranging from $36.51 to $60.57 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 Wisconsin have a published plumber rate?

72 of the counties covered by active federal determinations list at least one plumber classification.

Do these rates apply to state-funded projects?

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

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Plumber prevailing wage rates in Wisconsin

Federal Davis-Bacon rates published in 27 active determinations, 2026

Active federal Davis-Bacon determinations for Wisconsin publish 41 plumber classification rates, across 27 determinations covering 72 counties.
Those published base rates run from $36.51 to $60.57 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, Residential.
Last determination revision affecting plumber rates in Wisconsin: 2026-05-18.

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 Wisconsin's active federal determinations that is a form of plumber work (potable water, waste and gas piping) 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

WI20260001 rev 1 · Building · Milwaukee, Ozaukee, Washington, Waukesha

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (INCLUDING HVAC WORK)	$60.05	27.90	PLUM0075-001 collectively bargained (union) rate

Official document: WI20260001 on SAM.gov.

WI20260005 rev 1 · Building · Dane

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (INCLUDING HVAC WORK)	$60.57	27.34	PLUM0075-007 collectively bargained (union) rate

Official document: WI20260005 on SAM.gov.

WI20260011 rev 1 · Building · Adams, Ashland, Barron, Bayfield, Buffalo, Burnett and 46 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER: INCLUDING HVAC WORK (DODGE (WATERTOWN), GREEN, JEFFERSON, AND LAFAYETTE COUNTIES)	$60.05	27.90	PLUM0075-006 collectively bargained (union) rate
PLUMBER: INCLUDING HVAC WORK (COLUMBIA, IOWA, MARQUETTE, RICHLAND, AND SAUK COUNTIES)	$60.57	27.34	PLUM0075-008 collectively bargained (union) rate

Official document: WI20260011 on SAM.gov.

WI20260012 rev 1 · Building · Rock

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (INCLUDING HVAC WORK)	$60.05	27.90	PLUM0075-003 collectively bargained (union) rate

Official document: WI20260012 on SAM.gov.

WI20260015 rev 1 · Heavy · Adams, Ashland, Barron, Bayfield, Brown, Buffalo and 66 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (ASHLAND, BAYFIELD, BURNETT, DOUGLAS, IRON, SAWYER, AND WASHBURN COUNTIES)	$52.24	27.56	PLUM0011-003 collectively bargained (union) rate
PLUMBER (MILWAUKEE, OZAUKEE, WASHINGTON, AND WAUKESHA COUNTIES)	$60.05	27.90	PLUM0075-002 collectively bargained (union) rate
PLUMBER (DODGE (WATERTOWN), GREEN, JEFFERSON, LAFAYETTE, AND ROCK COUNTIES)	$60.05	27.90	PLUM0075-004 collectively bargained (union) rate
PLUMBER (COLUMBIA, DANE, IOWA, MARQUETTE, RICHLAND AND SAUK COUNTIES)	$60.57	27.34	PLUM0075-009 collectively bargained (union) rate
PLUMBER AND STEAMFITTER (KENOSHA, RACINE, AND WALWORTH COUNTIES)	$57.35	29.37	PLUM0118-002 collectively bargained (union) rate

Official document: WI20260015 on SAM.gov.

WI20260017 rev 1 · Residential · Ashland

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$52.24	27.56	PLUM0011-001 collectively bargained (union) rate

Official document: WI20260017 on SAM.gov.

WI20260018 rev 1 · Residential · Monroe

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$41.29	25.98	PLUM0434-003 collectively bargained (union) rate

Official document: WI20260018 on SAM.gov.

WI20260019 rev 1 · Residential · Rusk

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$41.29	25.98	PLUM0434-003 collectively bargained (union) rate

Official document: WI20260019 on SAM.gov.

WI20260020 rev 1 · Residential · Adams, Florence, Green Lake, Juneau, Marinette, Marquette and 6 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (MARQUETTE COUNTY)	$60.57	27.34	PLUM0075-013 collectively bargained (union) rate
PLUMBER (MARINETTE COUNTY (NIAGARA ONLY))	$36.51	28.43	PLUM0111-008 collectively bargained (union) rate
PLUMBER (ADAMS, GREEN LAKE, MARINETTE (EXCEPT NIAGRA), MENOMINEE, SHAWANO, WAUPACA & WAUSHARA COUNTIES)	$50.02	23.29	PLUM0400-004 collectively bargained (union) rate

Official document: WI20260020 on SAM.gov.

WI20260021 rev 1 · Residential · Barron, Bayfield, Burnett, Forest, Iron, Langlade and 8 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (BAYFIELD, BURNETT, IRON, SAWYER & WASHBURN COUNTIES)	$52.24	27.56	PLUM0011-008 collectively bargained (union) rate
PLUMBER (BARRON, FOREST, LANGLADE, LINCOLN, ONEIDA, POLK, PRICE, TAYLOR & VILAS COUNTIES)	$41.29	25.98	PLUM0434-006 collectively bargained (union) rate

Official document: WI20260021 on SAM.gov.

WI20260022 rev 1 · Residential · Buffalo, Clark, Crawford, Dunn, Grant, Jackson and 4 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (RICHLAND COUNTY)	$60.57	27.34	PLUM0075-015 collectively bargained (union) rate
PLUMBER (REMAINING COUNTIES)	$41.29	25.98	PLUM0434-007 collectively bargained (union) rate

Official document: WI20260022 on SAM.gov.

WI20260023 rev 1 · Residential · Dodge, Green, Jefferson, Lafayette, Sauk, Walworth

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (DODGE (WATERTOWN), GREEN, JEFFERSON & LAFAYETTE COUNTIES)	$60.05	27.90	PLUM0075-005 collectively bargained (union) rate
PLUMBER (SAUK COUNTY)	$60.57	27.34	PLUM0075-012 collectively bargained (union) rate
PLUMBER (WALWORTH COUNTY)	$57.35	29.37	PLUM0118-005 collectively bargained (union) rate
PLUMBER (DODGE (EXCEPT WATERTOWN) COUNTY)	$50.02	23.29	PLUM0400-006 collectively bargained (union) rate

Official document: WI20260023 on SAM.gov.

WI20260024 rev 1 · Residential · Door, Manitowoc

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$50.02	23.29	PLUM0400-005 collectively bargained (union) rate

Official document: WI20260024 on SAM.gov.

WI20260025 rev 2 · Residential · Chippewa

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$41.29	25.98	PLUM0434-003 collectively bargained (union) rate

Official document: WI20260025 on SAM.gov.

WI20260026 rev 1 · Residential · Kenosha

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$57.35	29.37	PLUM0118-004 collectively bargained (union) rate

Official document: WI20260026 on SAM.gov.

WI20260027 rev 1 · Residential · Milwaukee

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$60.05	27.90	PLUM0075-011 collectively bargained (union) rate

Official document: WI20260027 on SAM.gov.

WI20260028 rev 1 · Residential · Racine

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$57.35	29.37	PLUM0118-004 collectively bargained (union) rate

Official document: WI20260028 on SAM.gov.

WI20260029 rev 1 · Residential · Rock

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$60.05	27.90	PLUM0075-014 collectively bargained (union) rate

Official document: WI20260029 on SAM.gov.

WI20260030 rev 2 · Residential · Sheboygan

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$50.02	23.29	PLUM0400-005 collectively bargained (union) rate

Official document: WI20260030 on SAM.gov.

WI20260031 rev 1 · Residential · Waukesha

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$60.05	27.90	PLUM0075-011 collectively bargained (union) rate

Official document: WI20260031 on SAM.gov.

WI20260032 rev 2 · Residential · Winnebago

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$50.02	23.29	PLUM0400-005 collectively bargained (union) rate

Official document: WI20260032 on SAM.gov.

WI20260033 rev 2 · Residential · Brown, Kewaunee, Oconto

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$50.02	23.29	PLUM0400-005 collectively bargained (union) rate

Official document: WI20260033 on SAM.gov.

WI20260034 rev 2 · Residential · Calumet, Outagamie

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$50.02	23.29	PLUM0400-005 collectively bargained (union) rate

Official document: WI20260034 on SAM.gov.

WI20260035 rev 1 · Residential · Columbia, Dane, Iowa

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$60.57	27.34	PLUM0075-010 collectively bargained (union) rate

Official document: WI20260035 on SAM.gov.

WI20260036 rev 2 · Residential · Douglas, Fond Du Lac, Marathon

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (DOUGLAS COUNTY)	$52.24	27.56	PLUM0011-005 collectively bargained (union) rate
PLUMBER (FOND DU LAC COUNTY)	$50.02	23.29	PLUM0400-007 collectively bargained (union) rate
PLUMBER (MARATHON COUNTY)	$41.29	25.98	PLUM0434-008 collectively bargained (union) rate

Official document: WI20260036 on SAM.gov.

WI20260037 rev 2 · Residential · Eau Claire, La Crosse, Pierce, St Croix

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$41.29	25.98	PLUM0434-003 collectively bargained (union) rate

Official document: WI20260037 on SAM.gov.

WI20260038 rev 1 · Residential · Ozaukee, Washington

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$60.05	27.90	PLUM0075-011 collectively bargained (union) rate

Official document: WI20260038 on SAM.gov.

Where to go next

Plumber rates in every state · Wisconsin prevailing wage and state law · Wisconsin determinations by county · pay calculator

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