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St. Clair County, MI · Plumber / Pipefitter

Plumber / Pipefitter prevailing wage in St. Clair County, Michigan

$86.36an hour, fringe benefits included · Plumbers

One rate, fringe benefits included (LEO prints no split)

On Michigan public works in St. Clair County, a plumber or pipefitter working as plumbers must be paid at least $86.36 an hour. LEO prints one rate with fringe benefits included, so there is no separate base wage.

LEO county rates, November 2025 edition, effective October 31, 2025. The contracting agent gets LEO's rates before advertising and puts them in the specifications; if the contract isn't awarded or started within 90 days of LEO's determination, LEO must redetermine them (MCL 408.1103). Checked against michigan.gov on October 25, 2026.

LEO lists 5 plumber or pipefitter rates for St. Clair County, from $60.34 to $86.36 an hour. See all of them.

One rate, fringe benefits included: $86.36

LEO publishes a single hourly figure that already includes fringe benefits. A contractor can pay it all as wages, or pay part as contributions to bona fide benefit plans for the worker, as long as the two add up to at least $86.36. LEO doesn't publish a base and fringe split, so this page doesn't invent one.

LEO's data note: LEO prints package rates only (wage + fringe at straight time, 1.5x, 2x)

When does this rate change?

Every plumber or pipefitter rate in St. Clair County

As LEO lists them. The highlighted row is the one this page leads with.

  1. Pipefitters—steamfitters$86.36
  2. Plumbers$86.36
  3. Pipefitters—Steamfitters$79.80
  4. Plumbers$79.80
  5. Sprinkler Fitters$60.34
Hourly rate of each plumber or pipefitter classification in St. Clair County, highest first.
ClassificationBase wageFringe benefitsTotal rateEffective
Pipefitters—steamfittersincl.incl.$86.36 Oct 31, 2025
Pipefitters—Steamfittersincl.incl.$79.80 Nov 3, 2025
Plumbersincl.incl.$86.36 Oct 31, 2025
Plumbersincl.incl.$79.80 Oct 30, 2025
Sprinkler Fittersincl.incl.$60.34 Nov 3, 2025

Davis-Bacon plumber or pipefitter rate in St. Clair County

Federally funded or assisted construction here uses the U.S. Department of Labor's wage determinations. Contracts that already require Davis-Bacon rates are exempt from Michigan's Act, so a Davis-Bacon job uses the federal rate (MCL 408.1102(1)).

For building work, the matching Davis-Bacon classification is PLUMBER, EXCLUDES HVAC PIPE AND UNIT INSTALLATION at $82.55 ($45.34 base + $37.21 fringe), from MI20260098 modification 2, published August 13, 2026, rate PLUM0098-001. Against LEO's $86.36: LEO's rate is $3.81 an hour higher. Note: the state prints one rate with fringes included, so only totals are compared.

For heavy work, the matching Davis-Bacon classification is PLUMBER at $70.90 ($35.77 base + $35.13 fringe), from MI20260072 modification 1, published May 18, 2026, rate PLUM0098-005. Against LEO's $86.36: LEO's rate is $15.46 an hour higher. Note: the state prints one rate with fringes included, so only totals are compared.

ConstructionFederal classificationBase wageTotal rateWD
BuildingPLUMBER, EXCLUDES HVAC PIPE AND UNIT INSTALLATIONPLUM0098-001$45.34 $82.55 MI20260098 Mod 2
BuildingPIPEFITTER, INCLUDES HVAC PIPE AND UNIT INSTALLATIONPLUM0636-003$45.96 $89.86 MI20260098 Mod 2
BuildingSPRINKLER FITTER (FIRE SPRINKLERS)SFMI0669-001$41.34 $68.73 MI20260098 Mod 2
HighwayPLUMBER/PIPEFITTER - GAS DISTRIBUTION PIPELINE: WELDING IN CONJUNCTION WITH GAS DISTRIBUTION PIPELINE WORKPLUM0190-003$33.03 $53.22 MI20260001 Mod 3
HighwayPLUMBER/PIPEFITTER - GAS DISTRIBUTION PIPELINE: ALL OTHER WORKPLUM0190-003$24.19 $36.47 MI20260001 Mod 3
HeavyPLUMBERPLUM0098-005$35.77 $70.90 MI20260072 Mod 1
HeavyPIPEFITTERPLUM0636-002$40.41 $69.76 MI20260072 Mod 1
ResidentialPLUMBER (EXCLUDING HVAC PIPE INSTALLATION)PLUM0098-002$27.06 $50.58 MI20260022 Mod 1
ResidentialPIPEFITTER (HVAC PIPE INSTALLATION ONLY)PLUM0636-001$41.61 $70.96 MI20260022 Mod 1
ResidentialSPRINKLER FITTER (FIRE SPRINKLERS)SUMI2010-020$22.32 $26.83 MI20260022 Mod 1

Davis-Bacon rates from SAM.gov, read October 25, 2026. Our federal totals are base plus fringe; DOL prints no total. Michigan Davis-Bacon changes

How St. Clair County compares

The main plumber or pipefitter rate in every county that has one. All bars use the same scale.

Every county in Michigan

$60.20Kalamazoo$86.36Macomb
St. ClairNearby: Macomb $86.36, Lapeer $70.71, Sanilac $86.36Each column is a group of counties with about the same main rate; its height is how many. 0 counties pay more than St. Clair, 4 the same, 78 less.

Rates nearby

  1. St. Clair Countyfringes included$86.36
  2. Macomb Countyfringes included$86.36
  3. Lapeer Countyfringes included$70.71
  4. Sanilac Countyfringes included$86.36

Plumber / Pipefitter rates in nearby counties

Current LEO rates. LEO sets rates county by county from local union agreements, so neighbouring counties in one agreement's area often match.

CountyClassificationBase wageTotal ratevs St. Clair County
St. Clair CountyPlumbersincl.$86.36 
Macomb CountyPlumbersincl.$86.36 same
Sanilac CountyPlumbersincl.$86.36 same
Oakland CountyPlumbersincl.$86.36 same
Lapeer CountyPlumbersincl.$70.71 −$15.65
Genesee CountyPlumbersincl.$70.71 −$15.65
Tuscola CountyPlumbersincl.$69.18 −$17.18

Michigan plumber or pipefitter prevailing wage by county, with a map

More from LEO on this rate

All St. Clair County prevailing wage rates

Are you being paid this rate?

LEO's rate is wage and fringe together: add your hourly wage to what your employer pays into benefit plans for you and compare the sum with the total. LEO Wage and Hour Division, P.O. Box 30476, Lansing, MI 48909 (LEO).

Source

Department of Labor and Economic Opportunity (LEO), county rate schedule LEO-November-2025-st-clair, effective October 31, 2025, page 41: www.michigan.gov/leo/-/media/Project/Websites/leo/Documents/PWRS-By-County/St-Clair.pdf

We read every county PDF in LEO's November 2025 edition and check every page with a second, separate read; the last run found no mismatches. Where LEO prints the same classification twice in a county without saying where each applies, both rows are shown. How we check · Download St. Clair County as CSV · Report an error