RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Jefferson County, Missouri

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

StatusTitleBuyerDue Date
OpenTrained Narcotics and Patrol Canines

Jefferson County, Missouri, is seeking trained dual-purpose narcotics and patrol canines, including canine-team training, handler housing during training, and related warranties.

Jefferson County, MO, USA•Invitation for/to Bid (IFB/ITB)
Franklin County, Missouri > Franklin County Commission10/27/2026
OpenSheriff's Office K-9 Purchase 2026

Jefferson County, Missouri is seeking sealed bids to purchase K-9 dogs for its Sheriff's Office.

Jefferson County, MO, USA•Invitation for/to Bid (IFB/ITB)
Jefferson County10/27/2026
OpenBituminous Mixture Materials 2027

Jefferson County, Missouri is seeking bids for bituminous mixture materials for 2027.

Jefferson County, MO, USA•Invitation for/to Bid (IFB/ITB)
Jefferson County10/20/2026
OpenTDD Bookkeeping and Tax Allocation Services

The Arnold Retail Corridor Transportation Development District is seeking a qualified firm or individual to provide monthly bookkeeping, reporting, and tax allocation services.

Jefferson County, MO, USA•Request for Proposal (RFP)
Arnold Retail Corridor Transportation Development District-
OpenSheriff's Office Incinerator Installation

Jefferson County, Missouri, is seeking proposals to install and test a natural-gas incinerator with a minimum 400-pound batch capacity and 12-cubic-foot chamber at the Sheriff's Office, with optional electrical, gas, anchoring, and concrete-pad work.

Hillsboro, MO, USA•Request for Proposal (RFP)
Jefferson County > Department of Administrative Services > Jefferson County Sheriff's Office10/20/2026
OpenSheriff's Office Incinerator Project

Jefferson County, Missouri is requesting sealed proposals for the rebid of a Sheriff's Office incinerator project for 2026.

Hillsboro, MO, USA•Request for Proposal (RFP)
Jefferson County10/20/2026
OpenJail Healthcare Services

Jefferson County, Missouri, is seeking a healthcare provider for comprehensive medical, mental health, dental, nursing, pharmaceutical, and related services at the Jefferson County Jail Facility for a four-year term with renewal options.

Hillsboro, MO, USA•Request for Proposal (RFP)
Jefferson County > Department of Administrative Services > Jefferson County Sheriff's Office11/10/2026
OpenAnimal Control Building Addition and Remodeling

The City of De Soto, Missouri is seeking bids for general contracting services to construct an addition and remodel the existing Animal Control Building at 1310 Public Works Drive.

De Soto, MO, USA•Invitation for/to Bid (IFB/ITB)
City of Ste. Genevieve-
OpenManaged Network Equipment Services

Crystal City School District 47 is seeking bids for managed internal broadband services to maintain its existing firewall, switches, and wireless access points.

1100 Mississippi Avenue, Crystal City, MO, USA•Request for Proposal (RFP)
Crystal Lake Community Consolidated School District 4710/24/2026
OpenManaged Internal Broadband Services

Crystal City School District 47 is seeking proposals for managed internal broadband services to operate, manage, and monitor its existing eligible network infrastructure, including firewalls, switches, routers, cabling, wireless access points, network controllers, and UPS battery backups.

1100 Mississippi Avenue, Crystal City, MO, USA•Request for Proposal (RFP)
Crystal Lake Community Consolidated School District 4710/24/2026
OpenCorrosion Repairs and Metal Stair Construction

St. Louis County is soliciting bids for corrosion treatment, painting, structural steel strengthening, weld inspection, and construction of a new engineered metal stair at Transportation Districts 2 and 3, with an estimated project magnitude of $250,000 to $500,000.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
St. Louis County11/17/2026
OpenForest Park Campus Phase 3 Building Renovations

St. Louis County is seeking bids for Phase 3 renovations to multiple buildings at the Forest Park Campus, including the Enrollment Center, West Building, Library Building, East Wing Building, and Highland Park Building.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
St. Louis County11/10/2026
OpenResident Legal Communication Services

Saint Louis County Government is soliciting bids for resident legal communication services for the Department of Justice Services.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
Rio Blanco County > Department of Human Services10/22/2026
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, USA•Invitation for/to Bid (IFB/ITB)
St. Louis County10/21/2026
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, USA•Invitation for/to Bid (IFB/ITB)Disadvantaged Business
St. Louis County > Department of Transportation10/21/2026
OpenNFL Fund Subdivision Traffic Calming, Package 1

St. Louis County is seeking bids to install 65 asphalt speed humps and perform related roadway, traffic-control, erosion-control, signage, and pavement-marking work on streets in various subdivisions.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
St. Louis County > Department of Transportation10/21/2026
OpenHanley Road and Laclede Station Road Resurfacing

St. Louis County is seeking a contractor to resurface Hanley Road and Laclede Station Road, replace pavement, curbs, sidewalks, and curb ramps, and improve traffic signals with accessible pedestrian signals.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)Disadvantaged Business
St. Louis County > Department of Transportation and Public Works11/4/2026
OpenMonarch Chesterfield Levee Trail Signage Replacement

Great Rivers Greenway is seeking a contractor to demolish and replace wayfinding and interpretive signage along the Monarch Chesterfield Levee Trail and install painted environmental graphics on floodwalls in the Chesterfield, Missouri area.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
State of Missouri > Great Rivers Greenway11/6/2026
OpenResidential Waste Collection Services

St. Louis County is soliciting bids for residential waste, yard waste, recycling, bulky waste, 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, USA•Invitation for/to Bid (IFB/ITB)
St. Louis County10/22/2026
OpenEast Concord Road Storm Sewer Construction

The Metropolitan St. Louis Sewer District is seeking a contractor to construct approximately 204 linear feet of 15-inch-diameter pipe sewers and appurtenances in unincorporated St. Louis County, Missouri, with an estimated project cost of $100,000.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
Metropolitan St. Louis Sewer District11/5/2026
OpenDistrict-Wide LED Lighting Conversion and Controls

Parkway School District is seeking a prime contractor to convert district-wide lighting to LED lamps and install hard-wired occupancy sensors and lighting controls at five facilities in Missouri.

St. Louis County, MO, USA•Request for Proposal (RFP)
Parkway School District10/20/2026
OpenHousing Authority Solicitation CH-RFP-26-P-04

The Housing Authority of St. Louis County is soliciting proposals under CH-RFP-26-P-04, but the provided materials do not describe the requested products or services.

St. Louis County, MO, USA•Request for Proposal (RFP)
St. Louis County > Housing Authority of St. Louis County-
OpenHanley Road–Laclede Station Road Resurfacing and Improvements

St. Louis County is seeking bids for resurfacing Hanley Road–Laclede Station Road, upgrading curb ramps, and improving traffic signals between Manchester Road and Newport Avenue.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)Disadvantaged Business
St. Louis County > Purchasing Division11/4/2026
OpenAirport Road Traffic Calming Improvements

St. Louis County is seeking a contractor to refresh pavement striping and install low-profile bike and flexible plastic delineators on Airport Road between North Hanley Road and New Florissant Road.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
St. Louis County11/18/2026
OpenSchuchart Road Bridge Replacement

Franklin County, Missouri is seeking bids for removal and replacement of the Schuchart Road Bridge over Birch Creek, including culvert removal, excavation, pile driving, bridge construction, paving, traffic control, and related work.

Franklin County, MO, USA•Invitation for/to Bid (IFB/ITB)Disadvantaged Business
Franklin County, Missouri > Franklin County Commission10/29/2026
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