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

Browse open government contracting RFPs, RFIs, RFQs, and Sources Sought in St. Charles, Missouri on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies across St. Charles, 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
OpenMunicipal Financial Statement Auditing Services

The City of St. Charles is requesting proposals from qualified certified public accounting firms to audit its financial statements for fiscal years ending April 30, 2027, through April 30, 2031, in accordance with generally accepted auditing standards.

St. Charles, MO, USARequest for Proposal (RFP)
City of St. Charles10/6/2026
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
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
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
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
OpenBase 21 Driveway and Garage Door Project

St. Charles County Ambulance District is seeking bids for the Base 21 Driveway and Garage Door Project, due at the District office by September 21, 2026.

St. Charles, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County Ambulance District9/21/2026
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
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
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
OpenHistoric Courthouse Full Window Replacement

St. Charles County is seeking bids to remove and replace 101 metal-clad exterior windows at its Historic Courthouse in St. Charles, Missouri, with an alternate for eight cupola windows.

Saint Charles County Circuit 11 Courthouse, St. Charles, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County10/2/2026
OpenJustice Center Detention Furniture – Phase 3

St. Charles County Government is seeking bids for Phase 3 detention cell and ancillary furniture, including anti-ligature molded-plastic beds, bunks, desks, shelves, stools, steps, and seating, with delivery to the Justice Center.

301 North Second Street, St. Charles, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County9/30/2026
OpenRegency Parkway Reconstruction

The City of St. Charles is seeking sealed bids for reconstruction of Regency Parkway in St. Charles, Missouri.

1041 Regency Parkway, St. Charles, MO, USAInvitation for/to Bid (IFB/ITB)
City of St. Charles10/8/2026
OpenFamily Arena Snow and Ice Removal Services

St. Charles County Government is seeking a contractor to provide authorized snow and ice removal services for Family Arena private roadways and parking areas, including equipment operation and material spreading.

2002 Arena Parkway, St. Charles, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County9/29/2026
OpenFamily Arena Exterior Siding Sealant Replacement and Repairs

St. Charles County is seeking bids for exterior siding sealant replacement and repairs at Family Arena in St. Charles, Missouri.

2002 Arena Parkway, St. Charles, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County10/16/2026
OpenFamily Arena Exterior Siding Sealant Replacement and Repairs

St. Charles County Government is seeking bids for exterior siding sealant replacement and related repairs at Family Arena, including metal siding joints, precast concrete panel joints, screw heads, and associated access and restoration work.

2002 Arena Parkway, St. Charles, MO, USAInvitation for/to Bid (IFB/ITB)
St. Charles County > Finance Department10/16/2026
OpenLambert International Airport Fuel System Demolition

The U.S. Army Corps of Engineers is seeking small-business sources for demolition of the existing fuel system at Lambert International Airport, including a 5,000-gallon diesel tank, dispenser, concrete containment, light poles, and automatic tank gauge.

St. Louis Lambert International Airport, St. Louis, MO, USASources SoughtSmall Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W071 ENDIST OMAHA (KO CONTRACTING OFFICE)10/1/2026
OpenAirport Construction Materials Testing and Inspection

The City of St. Louis is requesting qualifications for materials testing and inspection services supporting various landside construction projects at St. Louis Lambert International Airport.

St. Louis Lambert International Airport, St. Louis, MO, USARequest for Quote/Qualifications (RFQ)
City of St. Louis9/29/2026
OpenRock Salt for Road Deicing

The City of St. Louis Supply Division is requesting 250 tons of rock salt for use as a road deicer meeting ASTM D632 specifications, with delivery to Airport Authority Central Stores.

St. Louis Lambert International Airport, St. Louis, MO, USARequest for Quote/Qualifications (RFQ)
City of St. Louis > Supply Division9/22/2026
OpenAutumn Shores Court Trench Drain Replacement

The City of Maryland Heights is seeking sealed bids to replace the Autumn Shores Court street storm sewer inlet channel, including new concrete walls, floor, and adjacent street slabs.

3106 Autumn Shores Drive, Maryland Heights, MO, USAInvitation for/to Bid (IFB/ITB)
Baltimore City9/23/2026
OpenAquaport/I-270 Tree Removal

The City of Maryland Heights is seeking sealed bids for removing and properly disposing of small trees and underbrush obstructing drivers' views along I-270 near Aquaport.

Aquaport, Maryland Heights, MO, USAInvitation for/to Bid (IFB/ITB)
City of Columbia Heights9/23/2026
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