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

There is no single figure. Active federal determinations for Maine publish 8 plumber classification rates ranging from $7.83 to $40.00 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 Maine have a published plumber rate?

16 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. Maine may set its own prevailing wage rates for state and locally funded work; the state law summary is on the Maine prevailing wage page.

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Plumber prevailing wage rates in Maine

Federal Davis-Bacon rates published in 8 active determinations, 2026

Active federal Davis-Bacon determinations for Maine publish 8 plumber classification rates, across 8 determinations covering 16 counties.
Those published base rates run from $7.83 to $40.00 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, Residential.
Last determination revision affecting plumber rates in Maine: 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 Maine'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

ME20260002 rev 1 · Residential · Androscoggin, Cumberland, Penobscot

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$7.83	0.00	SUME1994-001 DOL wage survey rate

Official document: ME20260002 on SAM.gov.

ME20260003 rev 1 · Residential · Aroostook, Piscataquis, Somerset

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$8.36	0.00	SUME1988-001 DOL wage survey rate

Official document: ME20260003 on SAM.gov.

ME20260004 rev 1 · Building · Androscoggin

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$40.00	24.71	PLUM0716-002 collectively bargained (union) rate

Official document: ME20260004 on SAM.gov.

ME20260005 rev 1 · Residential · Franklin, Hancock, Kennebec, Knox, Lincoln, Oxford and 4 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTERS	$9.50	0.72	SUME1988-002 DOL wage survey rate

Official document: ME20260005 on SAM.gov.

ME20260050 rev 1 · Building · Cumberland

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$40.00	24.71	PLUM0716-002 collectively bargained (union) rate

Official document: ME20260050 on SAM.gov.

ME20260051 rev 1 · Building · Penobscot

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$40.00	24.71	PLUM0716-002 collectively bargained (union) rate

Official document: ME20260051 on SAM.gov.

ME20260052 rev 1 · Building · Sagadahoc

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$40.00	24.71	PLUM0716-002 collectively bargained (union) rate

Official document: ME20260052 on SAM.gov.

ME20260053 rev 1 · Building · York

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$40.00	24.71	PLUM0716-002 collectively bargained (union) rate

Official document: ME20260053 on SAM.gov.

Where to go next

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

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