RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in St. Charles County, Missouri

Browse open government contracting RFPs, RFIs, RFQs, and Sources Sought in St. Charles County, Missouri on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies across St. Charles County, Missouri, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

StatusTitleBuyerDue Date
OpenDuello Road Phase II Reconstruction

St. Charles County is seeking a contractor to reconstruct approximately 0.41 miles of Duello Road, including grading, asphalt paving, curb and gutter, sidewalks, drainage facilities, striping, and signing.

St. Charles County, MO, USAInvitation for/to Bid (IFB/ITB)Other
Big Stone County > Highway Department10/7/2026
OpenDuello Road Phase II Reconstruction

St. Charles County is seeking sealed bids for the reconstruction of approximately 0.41 mile of Duello Road, including grading, asphalt paving, curb and gutter, sidewalks, drainage facilities, materials, equipment, and labor.

St. Charles County, MO, USAInvitation for/to Bid (IFB/ITB)Disadvantaged Business
St. Charles County10/7/2026
OpenPer-Building Elevator Maintenance and Service

St. Charles County Government is seeking contractors to provide per-building maintenance, inspections, repairs, and 24/7 service for elevators, dumbwaiters, and vertical lifts at county facilities.

St. Charles County, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County > Finance Department9/21/2026
OpenElevator Maintenance and Service

St. Charles County is seeking bids for elevator maintenance and service on a per-building basis.

St. Charles County, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County9/21/2026
Open2027 HVAC Upgrades

Fort Zumwalt School District is soliciting sealed bids for HVAC equipment replacement, mechanical design-build work, and related electrical and general construction at seven district locations.

St. Charles County, MO, USAInvitation for/to Bid (IFB/ITB)
Fort Zumwalt School District10/1/2026
OpenHepperman Road Phase 2 Reconstruction

St. Charles County is seeking a contractor to reconstruct approximately 0.67 mile of Hepperman Road Phase 2, including grading, asphalt paving, curb and gutter, sidewalk, drainage, striping, and signing.

St. Charles County, MO, USAInvitation for/to Bid (IFB/ITB)Disadvantaged Business
Livingston County > Highway Department10/2/2026
OpenIndian Camp Creek and New Melle Maintenance Facilities

St. Charles County is seeking a contractor to design and construct an engineered maintenance building and storage shelter at Indian Camp Creek Park and New Melle Lakes, with addenda modifying drainage, roofing, utility, and bid-form requirements.

St. Charles County, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County9/28/2026
OpenTom Ginnever Avenue and North Cool Springs Road Intersection Improvements

The City of O'Fallon is seeking sealed paper bids for construction of a new multi-lane roundabout and associated roadway, pedestrian, drainage, lighting, utility, and restoration improvements at the Tom Ginnever Avenue and North Cool Springs Road intersection.

O'fallon, MO, USAInvitation for/to Bid (IFB/ITB)Disadvantaged Business
City of O'Fallon10/6/2026
OpenFood Concession Product Supply

The City of O'Fallon, Missouri, is requesting sealed proposals for supplying food concession products to its indoor and outdoor facilities.

O'fallon, MO, USARequest for Proposal (RFP)
City of O'Fallon9/23/2026
OpenWater Meters for Municipal Connections

The City of O'Fallon is seeking sealed proposals for the sale of water meters for municipal connections.

O'fallon, MO, USARequest for Proposal (RFP)
City of O'Fallon10/7/2026
OpenRadar Speed Trailers

The City of O'Fallon, Missouri, is requesting sealed proposals for radar speed trailers.

O'fallon, MO, USARequest for Proposal (RFP)
City of O'Fallon9/29/2026
OpenSanitary Sewer Comminutors and Related Equipment

The City of O'Fallon, Missouri, is seeking sealed bids to furnish and deliver sanitary sewer comminutors, submersible drives and motors, reversing controllers, related components, spare parts, and startup assistance for the Peruque and West Lift Stations.

O'fallon, MO, USAInvitation for/to Bid (IFB/ITB)
City of O'Fallon > Purchasing Department9/24/2026
OpenSanitary Sewer Comminutors

The City of O'Fallon, Missouri, is seeking sealed bids for sanitary sewer comminutors.

O'fallon, MO, USAInvitation for/to Bid (IFB/ITB)
City of O'Fallon9/24/2026
OpenTom Ginnever Avenue and North Cool Springs Road Intersection Improvements

The City of O'Fallon is seeking sealed paper bids for construction of a multi-lane roundabout and associated roadway, pedestrian, drainage, lighting, utility, and restoration improvements at Tom Ginnever Avenue and North Cool Springs Road.

O'fallon, MO, USAInvitation for/to Bid (IFB/ITB)Disadvantaged Business
City of O'Fallon9/22/2026
OpenLake Saint Louis Boulevard Widening and Resurfacing, Phase 1

The City of Lake Saint Louis is seeking a contractor for Phase 1 widening and resurfacing improvements on Lake Saint Louis Boulevard, including storm sewer work, sidewalk and shared-use path reconstruction, curb ramps, medians, and striping.

Lake St. Louis, MO, USAInvitation for/to Bid (IFB/ITB)Disadvantaged Business
City of Lake Saint Louis > Parks & Recreation9/23/2026
OpenEmployee Benefits Insurance Consultant and Broker

The City of Lake Saint Louis is seeking a consultant and insurance broker to review, market, and administer employee dental, vision, life, disability, and cafeteria benefit plans.

Lake St. Louis, MO, USARequest for Proposal (RFP)
City of Lake Saint Louis > Administration Department10/2/2026
OpenYouth Sports Development Professional Services

The St. Charles County Convention and Sports Facilities Authority is seeking qualifications for surveying, environmental, geotechnical, planning, design, architectural, and engineering services for a youth sports development in the Lake Saint Louis area.

Lake St. Louis, MO, USARequest for Quote/Qualifications (RFQ)
St. Charles County > St. Charles County Convention and Sports Facilities Authority9/29/2026
OpenFounders Park Restroom, Basketball Court, and Parking Improvements

The City of Lake Saint Louis is seeking sealed bids for construction improvements at Founders Park, including a CMU-block restroom, concrete basketball court, utility connections, and parking lot and roadway improvements.

7 Freymuth Road, Lake St. Louis, MO, USAInvitation for/to Bid (IFB/ITB)
City of Lake Saint Louis9/23/2026
OpenFounders Park Restroom, Basketball Court, and Parking Lot Improvements

The City of Lake Saint Louis is seeking a contractor for restroom construction, basketball court improvements, and parking lot and roadway improvements at Founders Park.

7 Freymuth Road, Lake St. Louis, MO, USAInvitation for/to Bid (IFB/ITB)
City of Lake Saint Louis9/23/2026
OpenNFL Fund Subdivision Traffic Calming, Package 1

St. Louis County is seeking bids to install speed humps and related incidental improvements on streets in various subdivisions under the NFL Fund Subdivision Traffic Calming, Package 1 project.

St. Louis County, MO, USAInvitation for/to Bid (IFB/ITB)
St. Louis County10/21/2026
OpenHowdershell Road Improvements

St. Louis County is seeking a contractor for mill and overlay, base repairs, ADA-compliant curb ramps and sidewalks, and traffic signal upgrades on Howdershell Road from I-270 to Utz Lane.

St. Louis County, MO, USAInvitation for/to Bid (IFB/ITB)Disadvantaged Business
St. Louis County9/23/2026
OpenNew Halls Ferry Road Sidewalk Construction

St. Louis County is seeking bids for clearing, pavement removal, excavation, concrete sidewalk and curb-ramp construction, sodding, and related improvements on New Halls Ferry Road.

St. Louis County, MO, USAInvitation for/to Bid (IFB/ITB)
St. Louis County10/21/2026
OpenSubdivision Traffic Calming Improvements

St. Louis County is seeking bids to install speed humps and related incidental work on streets in various subdivisions.

St. Louis County, MO, USAInvitation for/to Bid (IFB/ITB)
St. Louis County10/21/2026
OpenResidential Waste Collection Services

St. Louis County is soliciting bids for residential waste, yard waste, recycling, and optional collection services across eight Waste Management Districts in unincorporated St. Louis County, with eight expected contracts and a five-year agreement duration.

St. Louis County, MO, USAInvitation for/to Bid (IFB/ITB)
St. Louis County > Department of Public Health10/22/2026
OpenWentzville Days Carnival Services

The City of Wentzville is seeking carnival services for its annual Wentzville Days event.

1001 Schroeder Creek Boulevard, Wentzville, MO, USAInvitation for/to Bid (IFB/ITB)
City of Wentzville10/9/2026
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