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

There is no single figure. Active federal determinations for Montana publish 42 pipefitter classification rates ranging from $29.34 to $46.45 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 Montana have a published pipefitter rate?

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

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Pipefitter prevailing wage rates in Montana

Federal Davis-Bacon rates published in 40 active determinations, 2026

Active federal Davis-Bacon determinations for Montana publish 42 pipefitter classification rates, across 40 determinations covering 57 counties.
Those published base rates run from $29.34 to $46.45 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.
Last determination revision affecting pipefitter rates in Montana: 2026-07-30.

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 Montana'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

MT20260025 rev 1 · Building · Beaverhead

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260025 on SAM.gov.

MT20260026 rev 1 · Building · Blaine

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-007 collectively bargained (union) rate

Official document: MT20260026 on SAM.gov.

MT20260027 rev 1 · Building · Broadwater

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260027 on SAM.gov.

MT20260028 rev 1 · Building · Daniels

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260028 on SAM.gov.

MT20260029 rev 1 · Building · Dawson

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$29.34	12.95	SUMT2011-005 DOL wage survey rate

Official document: MT20260029 on SAM.gov.

MT20260030 rev 1 · Building · Deer Lodge

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260030 on SAM.gov.

MT20260031 rev 1 · Building · Fergus

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$44.35	21.87	PLUM0030-007 collectively bargained (union) rate

Official document: MT20260031 on SAM.gov.

MT20260032 rev 2 · Building · Flathead

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$39.38	16.23	PLUM0459-007 collectively bargained (union) rate

Official document: MT20260032 on SAM.gov.

MT20260033 rev 1 · Building · Gallatin

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260033 on SAM.gov.

MT20260034 rev 2 · Building · Glacier

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$39.38	16.23	PLUM0459-008 collectively bargained (union) rate

Official document: MT20260034 on SAM.gov.

MT20260035 rev 1 · Building · Golden Valley

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$44.35	21.87	PLUM0030-009 collectively bargained (union) rate

Official document: MT20260035 on SAM.gov.

MT20260036 rev 1 · Building · Granite

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260036 on SAM.gov.

MT20260037 rev 1 · Building · Hill

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-010 collectively bargained (union) rate

Official document: MT20260037 on SAM.gov.

MT20260038 rev 1 · Building · Jefferson

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260038 on SAM.gov.

MT20260039 rev 2 · Building · Lake

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$39.38	16.23	PLUM0459-007 collectively bargained (union) rate

Official document: MT20260039 on SAM.gov.

MT20260040 rev 1 · Building · Lewis And Clark

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260040 on SAM.gov.

MT20260041 rev 2 · Building · Lincoln

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$39.38	16.23	PLUM0459-007 collectively bargained (union) rate

Official document: MT20260041 on SAM.gov.

MT20260042 rev 1 · Building · Madison

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER (EXCLUDING HVAC PIPE INSTALLATION)	$46.45	19.92	PLUM0041-006 collectively bargained (union) rate

Official document: MT20260042 on SAM.gov.

MT20260043 rev 1 · Building · McCone

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260043 on SAM.gov.

MT20260044 rev 2 · Building · Mineral

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$39.38	16.23	PLUM0459-007 collectively bargained (union) rate

Official document: MT20260044 on SAM.gov.

MT20260045 rev 1 · Building · Park

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260045 on SAM.gov.

MT20260046 rev 1 · Building · Petroleum

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$44.35	21.87	PLUM0030-007 collectively bargained (union) rate

Official document: MT20260046 on SAM.gov.

MT20260047 rev 1 · Building · Pondera

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-010 collectively bargained (union) rate

Official document: MT20260047 on SAM.gov.

MT20260048 rev 2 · Building · Powell

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$42.80	17.28	PLUM0459-009 collectively bargained (union) rate

Official document: MT20260048 on SAM.gov.

MT20260049 rev 1 · Building · Richland

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260049 on SAM.gov.

MT20260050 rev 1 · Building · Roosevelt

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260050 on SAM.gov.

MT20260051 rev 1 · Building · Sheridan

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260051 on SAM.gov.

MT20260052 rev 1 · Building · Silver Bow

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260052 on SAM.gov.

MT20260053 rev 1 · Building · Stillwater

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$44.35	21.87	PLUM0030-007 collectively bargained (union) rate

Official document: MT20260053 on SAM.gov.

MT20260054 rev 1 · Building · Treasure

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260054 on SAM.gov.

MT20260055 rev 1 · Building · Wibaux

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260055 on SAM.gov.

MT20260056 rev 1 · Building · Big Horn, Prairie

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER/PIPEFITTER (Excluding HVAC Pipe Installation)	$44.35	21.87	PLUM0030-005 collectively bargained (union) rate

Official document: MT20260056 on SAM.gov.

MT20260057 rev 1 · Building · Carter, Custer, Fallon, Garfield, Phillips, Powder River and 2 more

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION (CARTER, CUSTER, FALLON, GARFIELD, POWDER RIVER, AND ROSEBUD COUNTIES)	$44.35	21.87	PLUM0030-006 collectively bargained (union) rate
PLUMBER/PIPEFITTER: EXCLUDING HVAC PIPE INSTALLATION (PHILLIPS & VALLEY COUNTIES)	$46.45	19.92	PLUM0041-009 collectively bargained (union) rate

Official document: MT20260057 on SAM.gov.

MT20260058 rev 1 · Building · Chouteau, Judith Basin, Liberty, Musselshell, Sweet Grass, Teton and 2 more

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION (MUSSELSHELL AND WHEATLAND COUNTIES)	$44.35	21.87	PLUM0030-008 collectively bargained (union) rate
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION (CHOUTEAU, JUDITH BASIN, LIBERTY, SWEET GRASS, TETON, AND TOOLE COUNTIES)	$46.45	19.92	PLUM0041-011 collectively bargained (union) rate

Official document: MT20260058 on SAM.gov.

MT20260059 rev 1 · Building · Meagher, Yellowstone National Park

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-008 collectively bargained (union) rate

Official document: MT20260059 on SAM.gov.

MT20260060 rev 2 · Building · Ravalli, Sanders

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$39.38	16.23	PLUM0459-007 collectively bargained (union) rate

Official document: MT20260060 on SAM.gov.

MT20260061 rev 1 · Building · Carbon

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$44.35	21.87	PLUM0030-012 collectively bargained (union) rate

Official document: MT20260061 on SAM.gov.

MT20260062 rev 2 · Building · Cascade

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$46.45	19.92	PLUM0041-013 collectively bargained (union) rate

Official document: MT20260062 on SAM.gov.

MT20260063 rev 2 · Building · Missoula

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$42.80	17.28	PLUM0459-006 collectively bargained (union) rate

Official document: MT20260063 on SAM.gov.

MT20260064 rev 1 · Building · Yellowstone

Classification as published	Base rate	Fringes	Rate schedule
PIPEFITTER, EXCLUDES HVAC PIPE INSTALLATION	$44.35	21.87	PLUM0030-013 collectively bargained (union) rate

Official document: MT20260064 on SAM.gov.

Where to go next

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

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