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

There is no single figure. Active federal determinations for Illinois publish 4 sprinkler fitter classification rates ranging from $50.51 to $63.25 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 sprinkler fitter rate?

10 of the counties covered by active federal determinations list at least one sprinkler fitter 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.

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Sprinkler Fitter prevailing wage rates in Illinois

Federal Davis-Bacon rates published in 3 active determinations, 2026

Active federal Davis-Bacon determinations for Illinois publish 4 sprinkler fitter classification rates, across 3 determinations covering 10 counties.
Those published base rates run from $50.51 to $63.25 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 sprinkler fitter rates in Illinois: 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 Illinois's active federal determinations that is a form of sprinkler fitter work (fire-suppression sprinkler systems) 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

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

Classification as published	Base rate	Fringes	Rate schedule
SPRINKLER FITTERS (WITHIN A 30 MILE RADIUS OF ST. LOUIS, MO)	$54.23	31.45	SFIL0268-001 collectively bargained (union) rate
SPRINKLER FITTER (REMAINDER OF COUNTIES)	$50.51	30.25	SFIL0669-001 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
SPRINKLER FITTER (DUPAGE, KANE, KENDALL, LAKE, MCHENRY, AND WILL COUNTIES)	$63.25	36.50	SFIL0281-002 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
SPRINKLER FITTER	$63.25	36.50	SFIL0281-001 collectively bargained (union) rate

Official document: IL20260009 on SAM.gov.

Where to go next

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

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