Prevailing Wage

Link to Illinois Department of Labor Current Prevailing Wage Rates


The General Assembly of the State of Illinois enacted the Prevailing Wage Act, approved June 26, 1941, as amended, being Chapter 820 ILCS 130/1-12 et. seq. The Act requires that all Illinois governmental entities, including home rule units of local government, either accept the prevailing wages determined by the Illinois Department of Labor or investigate and ascertain the prevailing rate of wages as defined in the Act for workers employed to perform on public works construction projects in the locality in which the work is performed.

In accordance with the Illinois Prevailing Wage Act, Berkeley School District 87 has made a determination of the prevailing wages to be paid to laborers, mechanics, and other workers employed in public works projects for AHSD25. AHSD25 has determined that the prevailing wages are the wage rates for Cook County as determined by the Illinois Department of Labor.

 The District has posted on the website a notice of its determination, and such posting shall constitute notice that the determination is effective and that this is the determination of the District.

Link to Prevailing Wage Resolution

A copy of the determination is available for public inspection in Berkeley School District 87’s business office located at 1200 N. Wolf Road, Berkeley, IL 60163.


On August 31, 2017, IDOL published technical corrections to the rates originally posted on August 15, 2017. Revised rates are highlighted in yellow in the county rate schedules in which they appear. Additionally, rates for certain Electricians, Plumbers, and Pipefitters classifications that were mistakenly included in the rate schedules originally published for some counties were eliminated, and in Henry County, certain rates that had been erroneously included for the classification of Operating Engineers were eliminated. Revised rates published on August 31, 2017 are effective as of September 1, 2017.

On September 25, 2017, April 11, 2018, and May 24, 2018, IDOL published subsequent rounds of technical corrections to the Prevailing Wage schedules that were originally published on August 15, 2017. Rates revised on September 25, 2017 are highlighted in green in the county rate schedules in which they appear. Rates revised on April 11, 2018 are highlighted in blue in the county rate schedules in which they appear.  Rates revised on May 24, 2018 are highlighted in gray in the county rate schedules in which they appear. The corrected rates published on September 25, 2017, April 11, 2018, and May 24, 2018 is effective as of the date of their publication.‚Äč

Changes highlighted in pink are changes made pursuant to Section 9 challenges. These rates are effective as of the dates of their publication, which are catalogued below the county listing on this page.

Link to Prevailing Wage Rates for Cook County

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