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

There is no single figure. Active federal determinations for Illinois publish 73 plumber classification rates ranging from $14.61 to $60.50 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 Illinois have a published plumber rate?

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

Home › Trades › Plumber › Illinois

Plumber prevailing wage rates in Illinois

Federal Davis-Bacon rates published in 50 active determinations, 2026

Active federal Davis-Bacon determinations for Illinois publish 73 plumber classification rates, across 50 determinations covering 102 counties.
Those published base rates run from $14.61 to $60.50 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, Residential.
Last determination revision affecting plumber rates in Illinois: 2026-05-21.

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 Illinois'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

IL20260001 rev 5 · Building · Adams, Bond, Boone, Brown, Bureau, Calhoun and 40 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (FULTON, HANCOCK (EASTERN HALF), MCDONOUGH (EXCEPT PRAIRIE), MARSHALL (SOUTH OF RT 17), MASON (NORTH OF RT 136), SCHUYLER (BROWNING, FREDERICK & HICKORY TWPS), STARK, AND W	$42.70	30.98	PLUM0063-002 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER (LIVINGSTON (PONTIAC AND SOUTH OF RT 116 EXTENDING EAST TO FORD COUNTY), MCLEAN, AND WOODFORD (SOUTH OF RT 16 TO RT 116A AREA EAST OF RT 116A TO AN	$50.85	27.75	PLUM0099-001 collectively bargained (union) rate
PLUMBER (BUREAU, LA SALLE, LIVINGSTON (NORTH OF RT. 116 EXCLUDING THE CITY OF PONTIAC), MARSHALL (NORTH OF RT 17 AND EAST OF RT. 116A), AND PUTNAM COUNTIES)	$60.50	39.02	PLUM0130-005 collectively bargained (union) rate
PLUMBER AND STEAMFITTER (CASS, LOGAN, MACOUPIN (NORTH OF STATE ROUTE 108 INCLUDING THE TOWN OF CARLINVILLE), MASON (SOUTH OF STATE ROUTE 136 INCLUDING THE TOWN OF HAVANA), MENARD,	$43.89	25.71	PLUM0137-003 collectively bargained (union) rate
PLUMBER (CLINTON (NORTHWESTERN PART INCLUDING ST ROSE, FROGTOWN, JAMESTOWN & KEYPORT), RANDOLPH (WESTERN 1/4 INCLUDING KELLOG, MODOC, PRAIRIE, DUROCKER, AND ROOTS), AND MONROE (EXC	$43.75	21.25	PLUM0360-001 collectively bargained (union) rate
PLUMBER AND STEAMFITTER (CLINTON (EASTERN 1/3) AND WASHINGTON (EASTERN 1/2) COUNTIES)	$45.00	21.54	PLUM0653-002 collectively bargained (union) rate

Official document: IL20260001 on SAM.gov.

IL20260002 rev 4 · Building · Alexander, Champaign, Christian, Clark, Clay, Coles and 35 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (IROQUOIS COUNTY)	$55.40	38.27	PLUM0130-003 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER (EDWARDS, LAWRENCE, WABASH, AND WHITE COUNTIES)	$46.32	21.43	PLUM0136-001 collectively bargained (union) rate
PLUMBER AND STEAMFITTER (CHRISTIAN (EAST OF A NORTH AND SOUTH LINE RUNNING FROM THE WESTERN EDGE OF MACON COUNTY), DE WITT, MOULTRIE, PIATT (WESTERN HALF), AND SHELBY COUNTIES)	$37.96	18.87	PLUM0137-008 collectively bargained (union) rate
PLUMBER AND STEAMFITTER (CHAMPAIGN, COLES, CUMBERLAND, EFFINGHAM, FORD, JASPER, AND PIATT (EAST HALF) COUNTIES)	$54.31	24.15	PLUM0149-001 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER (CLARK, CRAWFORD, DOUGLAS, EDGAR, RICHLAND, AND VERMILION COUNTIES)	$46.65	23.45	PLUM0157-003 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER (CLAY, FAYETTE, AND MARION COUNTIES)	$45.00	21.54	PLUM0653-001 collectively bargained (union) rate

Official document: IL20260002 on SAM.gov.

IL20260003 rev 1 · Building, Residential · Peoria, Tazewell

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$42.70	30.98	PLUM0063-001 collectively bargained (union) rate

Official document: IL20260003 on SAM.gov.

IL20260004 rev 2 · Building, Residential · Sangamon

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER (RESIDENTIAL)	$37.88	25.71	PLUM0137-002 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER (BUILDING)	$43.89	25.71	PLUM0137-002 collectively bargained (union) rate

Official document: IL20260004 on SAM.gov.

IL20260005 rev 1 · Building, Residential · Macon

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER (RESIDENTIAL CONSTRUCTION)	$37.88	25.71	PLUM0137-009 collectively bargained (union) rate

Official document: IL20260005 on SAM.gov.

IL20260006 rev 1 · Building, Residential · Kankakee

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$55.40	38.27	PLUM0130-004 collectively bargained (union) rate

Official document: IL20260006 on SAM.gov.

IL20260007 rev 2 · Building, Residential · Madison, St Clair

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (MADISON (GRANITE CITY & SOUTHERN HALF OF COUNTY) AND ST. CLAIR (EAST ST. LOUIS & VIC.) COUNTIES)	$43.75	21.25	PLUM0360-002 collectively bargained (union) rate

Official document: IL20260007 on SAM.gov.

IL20260008 rev 2 · Building, Residential · Du Page, Grundy, Kane, Kendall, Lake, McHenry and 1 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (LAKE AND MCHENRY COUNTIES)	$45.76	26.92	PLUM0093-001 collectively bargained (union) rate

Official document: IL20260008 on SAM.gov.

IL20260009 rev 2 · Building, Heavy, Highway, Residential · Cook

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$60.50	39.02	PLUM0130-001 collectively bargained (union) rate

Official document: IL20260009 on SAM.gov.

IL20260010 rev 1 · Residential · Winnebago

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$55.54	31.43	PLUM0023-002 collectively bargained (union) rate

Official document: IL20260010 on SAM.gov.

IL20260021 rev 1 · Residential · Clay

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.00	21.54	PLUM0653-003 collectively bargained (union) rate

Official document: IL20260021 on SAM.gov.

IL20260022 rev 2 · Residential · Hamilton

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.75	28.10	PLUM0551-002 collectively bargained (union) rate

Official document: IL20260022 on SAM.gov.

IL20260023 rev 2 · Residential · Adams, Brown, Calhoun, Cass, De Witt, Fulton and 14 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC WORK)	$17.42	6.60	SUIL1995-001 DOL wage survey rate

Official document: IL20260023 on SAM.gov.

IL20260024 rev 3 · Residential · Williamson

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER: EXCLUDING HVAC (SOUTHERN HALF)	$52.80	23.95	PLUM0160-007 collectively bargained (union) rate
PLUMBER: EXCLUDING HVAC (NORTHERN HALF)	$48.50	28.85	PLUM0551-004 collectively bargained (union) rate

Official document: IL20260024 on SAM.gov.

IL20260025 rev 2 · Residential · Henry

Classification as published	Base rate	Fringes	Rate schedule
PLUMBERS AND PIPEFITTERS (INCLUDING HVAC)	$46.50	27.80	PLUM0025-002 collectively bargained (union) rate

Official document: IL20260025 on SAM.gov.

IL20260026 rev 1 · Residential · Bureau, Carroll, Ford, Iroquois, Jo Daviess, La Salle and 7 more

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC WORK)	$14.61	3.17	SUIL1995-002 DOL wage survey rate

Official document: IL20260026 on SAM.gov.

IL20260027 rev 2 · Residential · Jackson

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$52.80	23.95	PLUM0160-003 collectively bargained (union) rate

Official document: IL20260027 on SAM.gov.

IL20260028 rev 1 · Residential · Jasper

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (SINGLE FAMILY AND DUPLEX)	$29.21	11.61	PLUM0149-002 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (MULTI-FAMILY)	$30.71	11.61	PLUM0149-002 collectively bargained (union) rate

Official document: IL20260028 on SAM.gov.

IL20260029 rev 2 · Residential · Jefferson

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.75	28.10	PLUM0551-002 collectively bargained (union) rate

Official document: IL20260029 on SAM.gov.

IL20260031 rev 1 · Residential · White

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$28.21	2.80	PLUM0136-010 collectively bargained (union) rate

Official document: IL20260031 on SAM.gov.

IL20260032 rev 2 · Residential · Johnson

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$52.80	23.95	PLUM0160-003 collectively bargained (union) rate

Official document: IL20260032 on SAM.gov.

IL20260033 rev 2 · Residential · Wayne

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.75	28.10	PLUM0551-002 collectively bargained (union) rate

Official document: IL20260033 on SAM.gov.

IL20260034 rev 1 · Residential · Lawrence

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$28.21	2.80	PLUM0136-010 collectively bargained (union) rate

Official document: IL20260034 on SAM.gov.

IL20260035 rev 1 · Residential · Washington

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER: EXCLUDING HVAC (WASHINGTON COUNTY (ADDIEVILLE, COVINGTON, CARDES, CASPARS, DAMIANSVILLE, DARMSTRAT, ELKHORN, JOHANNISBURG, LIVELY GROVE, NASHVILLE, NEW MENDEN, OAKDALE, OK	$47.75	23.42	PLUM0101-006 collectively bargained (union) rate
PLUMBER: EXCLUDING HVAC (WASHINGTON COUNTY (REMAINDER))	$45.00	21.54	PLUM0653-004 collectively bargained (union) rate

Official document: IL20260035 on SAM.gov.

IL20260036 rev 1 · Residential · Wabash

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$28.21	2.80	PLUM0136-010 collectively bargained (union) rate

Official document: IL20260036 on SAM.gov.

IL20260037 rev 2 · Residential · Union

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$52.80	23.95	PLUM0160-003 collectively bargained (union) rate

Official document: IL20260037 on SAM.gov.

IL20260038 rev 1 · Residential · Stephenson

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$55.54	31.43	PLUM0023-002 collectively bargained (union) rate

Official document: IL20260038 on SAM.gov.

IL20260039 rev 1 · Residential · Shelby

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$37.88	25.71	PLUM0137-010 collectively bargained (union) rate

Official document: IL20260039 on SAM.gov.

IL20260040 rev 2 · Residential · Woodford

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER: INCLUDING HVAC (WOODFORD COUNTY (NORTH OF RT 116 TO RT 116A, AND AREA WEST OF RT 116A TO, BUT EXCLUDING GOODFIELD))	$42.70	30.98	PLUM0063-003 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER: INCLUDING HVAC (WOODFORD COUNTY (SOUTH OF RT 116 TO RT 116A AREA EAST OF RT 116A TO AND INCLUDING GOODFIELD))	$50.85	27.75	PLUM0099-002 collectively bargained (union) rate

Official document: IL20260040 on SAM.gov.

IL20260041 rev 2 · Residential · McLean

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER: INCLUDING HVAC (MCLEAN COUNTY)	$50.85	27.75	PLUM0099-003 collectively bargained (union) rate

Official document: IL20260041 on SAM.gov.

IL20260042 rev 2 · Residential · Macoupin

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER: EXCLUDING HVAC (MACOUPIN COUNTY (NORTH OF ROUTE 108))	$37.88	25.71	PLUM0137-006 collectively bargained (union) rate

Official document: IL20260042 on SAM.gov.

IL20260043 rev 1 · Residential · Marion

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.00	21.54	PLUM0653-003 collectively bargained (union) rate

Official document: IL20260043 on SAM.gov.

IL20260045 rev 2 · Residential · Pulaski

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$52.80	23.95	PLUM0160-003 collectively bargained (union) rate

Official document: IL20260045 on SAM.gov.

IL20260046 rev 2 · Residential · Massac

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$52.80	23.95	PLUM0160-003 collectively bargained (union) rate

Official document: IL20260046 on SAM.gov.

IL20260047 rev 2 · Residential · Menard

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER (INCLUDING HVAC)	$37.88	25.71	PLUM0137-005 collectively bargained (union) rate

Official document: IL20260047 on SAM.gov.

IL20260049 rev 2 · Residential · Montgomery

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER (MONTGOMERY COUNTY (NORTH AND EAST OF RT. 127 INCLUDING HILLSBORO AND SCHRAM CITY))	$37.88	25.71	PLUM0137-004 collectively bargained (union) rate

Official document: IL20260049 on SAM.gov.

IL20260050 rev 2 · Residential · Franklin

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.75	28.10	PLUM0551-002 collectively bargained (union) rate

Official document: IL20260050 on SAM.gov.

IL20260051 rev 2 · Residential · Alexander

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$52.80	23.95	PLUM0160-003 collectively bargained (union) rate

Official document: IL20260051 on SAM.gov.

IL20260053 rev 1 · Residential · Boone

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER	$55.54	31.43	PLUM0023-002 collectively bargained (union) rate

Official document: IL20260053 on SAM.gov.

IL20260054 rev 2 · Residential · Perry, Randolph

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER: EXCLUDING HVAC (RANDOLPH COUNTY (BALDWIN, RED BUD, RUMA, AND TILDEN))	$47.75	23.42	PLUM0101-005 collectively bargained (union) rate
PLUMBER: EXCLUDING HVAC (PERRY COUNTY)	$52.80	23.95	PLUM0160-005 collectively bargained (union) rate
PLUMBER: EXCLUDING HVAC (RANDOLPH COUNTY (SOUTHEASTERN SIDE))	$52.80	23.95	PLUM0160-006 collectively bargained (union) rate
PLUMBER: EXCLUDING HVAC (RANDOLPH COUNTY (WESTERN 1/4 INCLUDING KELLOG, MODOC, PRAIRIE, DUROCKER, & ROOTS))	$43.75	21.25	PLUM0360-004 collectively bargained (union) rate

Official document: IL20260054 on SAM.gov.

IL20260056 rev 1 · Residential · Moultrie

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$37.88	25.71	PLUM0137-010 collectively bargained (union) rate

Official document: IL20260056 on SAM.gov.

IL20260058 rev 1 · Residential · Champaign

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (SINGLE FAMILY AND DUPLEX)	$29.21	11.61	PLUM0149-002 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (MULTI-FAMILY)	$30.71	11.61	PLUM0149-002 collectively bargained (union) rate

Official document: IL20260058 on SAM.gov.

IL20260059 rev 1 · Residential · Christian

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, EXCLUDING HVAC (WEST OF A NORTH-SOUTH LINE RUNNING FROM THE WESTERN EDGE OF MACON COUNTY)	$37.88	25.71	PLUM0137-007 collectively bargained (union) rate

Official document: IL20260059 on SAM.gov.

IL20260062 rev 1 · Residential · Coles

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (SINGLE FAMILY AND DUPLEX)	$29.21	11.61	PLUM0149-002 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (MULTI-FAMILY)	$30.71	11.61	PLUM0149-002 collectively bargained (union) rate

Official document: IL20260062 on SAM.gov.

IL20260064 rev 1 · Residential · Cumberland

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (SINGLE FAMILY AND DUPLEX)	$29.21	11.61	PLUM0149-002 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (MULTI-FAMILY)	$30.71	11.61	PLUM0149-002 collectively bargained (union) rate

Official document: IL20260064 on SAM.gov.

IL20260066 rev 3 · Residential · Gallatin, Hardin, Pope

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER: EXCLUDING HVAC (HARDIN AND POPE COUNTIES)	$52.80	23.95	PLUM0160-004 collectively bargained (union) rate
PLUMBER: EXCLUDING HVAC (GALLATIN COUNTY)	$48.50	28.85	PLUM0551-003 collectively bargained (union) rate

Official document: IL20260066 on SAM.gov.

IL20260067 rev 1 · Residential · Edwards

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$28.21	2.80	PLUM0136-010 collectively bargained (union) rate

Official document: IL20260067 on SAM.gov.

IL20260068 rev 1 · Residential · Effingham

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (SINGLE FAMILY AND DUPLEX)	$29.21	11.61	PLUM0149-002 collectively bargained (union) rate
PLUMBER, PIPEFITTER, STEAMFITTER, INCLUDING HVAC (MULTI-FAMILY)	$30.71	11.61	PLUM0149-002 collectively bargained (union) rate

Official document: IL20260068 on SAM.gov.

IL20260069 rev 1 · Residential · Fayette

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.00	21.54	PLUM0653-003 collectively bargained (union) rate

Official document: IL20260069 on SAM.gov.

IL20260070 rev 2 · Residential · Saline

Classification as published	Base rate	Fringes	Rate schedule
PLUMBER (EXCLUDING HVAC)	$45.75	28.10	PLUM0551-002 collectively bargained (union) rate

Official document: IL20260070 on SAM.gov.

Where to go next

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

Other trades in Illinois

Electrician · Pipefitter · Sheet Metal Worker · Carpenter · Construction Laborer · Heavy Equipment Operator · Truck Driver · Ironworker · Cement Mason / Concrete Finisher · Bricklayer / Mason · Roofer · Painter · Plasterer · Glazier · Insulator (Heat & Frost) · Millwright · Boilermaker · Sprinkler Fitter · Piledriver · Tile Setter · Tile Finisher · Line Constructor / Lineman · Traffic Control / Striping