Current Requests for Bids and Proposals

Invitations to Bid (ITB), Requests for Proposal (RFP), Requests for Qualifications (RFQ), and Statements of Interest (SOI) are posted online for review and download from DemandStar.

All responses to solicitations must be submitted electronically through DemandStar.  Suppliers must be registered with DemandStar in order to access solicitation information and submit a bid response.  To register for a FREE agency subscription to the City of St. Charles’ DemandStar portal, visit  The City maintains an Open Access Account with DemandStar which enables all solicitation information and documentation to be accessible FREE of charge under any agency subscription.

By clicking the button below, you acknowledge that you will leave the City of St. Charles’ website and that the City accepts no responsibility or liability for the contents of the page if you choose to continue.

supplier registration


Prevailing Wage

The Prevailing Wage Act contains administrative and recordkeeping requirements that the City and its contractors are mandated to follow. The Prevailing Wage Act should be reviewed for the specific details pertaining to this requirement and for additional mandated requirements.

The following are links to the Illinois Department of Labor’s website for prevailing wage information

Effective September 1, 2020, all Certified Transcripts of Payrolls shall be submitted electronically to the Illinois Department of Labor at:

Current Prevailing Wage Rate information from the Illinois Department of Labor can be found at:

Illinois Department of Labor website:

Vendor Information Reporting

In accordance with Public Act 102-0265, the City of St. Charles is mandated to make a good faith effort to collect and publish certain demographic information provided by vendors doing business with our community. The collected data identifies whether or not the vendor is a minority, women, or veteran-owned business or if they qualify as a small business under the U.S. Small Business Administration (SBA) standards.

To view the listing of vendors who have designated themselves as a minority, women, or veteran owned business or qualified small business, please click here.

Thank you for your interest in serving the City of St. Charles

updated Apr 12, 2024