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

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway, surveying, environmental, bridge-replacement design, and limited construction engineering services for the Harness Road Bridge over Plattin Creek.

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway safety improvements, including roadway design, surveying, environmental services, and limited construction engineering for the Lonedell Road project.

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway, surveying, environmental, design, and limited construction engineering services for safety improvements from Old State Route 21 to Forest View.

Jefferson County, Missouri, is seeking a consulting engineering firm for Bear Creek Road safety improvements, including roadway design, surveying, environmental studies, construction documents, cost estimating, and limited construction engineering.

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway, surveying, environmental, design, and limited construction engineering services for the Miller Road pedestrian improvement project.

Jefferson County, Missouri, is seeking a contractor to support and service HVAC control systems, including WebCTRL support, Cradlepoint licensing and IT support, software and server assurance, phone support, and hardware upgrades at county facilities.

Jefferson County, Missouri, is seeking a consulting firm to develop a countywide roadway safety plan, including crash-data analysis, roadway evaluations, safety countermeasures, cost estimates, and public engagement.

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, Missouri, is seeking a consulting engineering firm for Saline Road Safety Improvements—Phase 4, including roadway design, surveying, environmental studies, and limited construction engineering.

Jefferson County, Missouri is seeking a contractor to install an incinerator at the Sheriff's Office, including all power and control connections, concrete pad work, and system startup.

Jefferson College is seeking a qualified consulting firm to conduct a comprehensive classification and compensation study for non-faculty employees, with an optional organizational design review.

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.

The City of De Soto is seeking sealed bids to repair approximately 2,500 square feet of concrete roadway within the city limits, including required insurance and contractor licensing.

High Ridge Fire Protection District is soliciting proposals for ballistic protective equipment for firefighting personnel, due October 2, 2026, at 2:00 p.m.

The City of De Soto, Missouri is seeking bids for the demolition of two buildings, including associated sitework and crawl space infill with rock.

The City of Crystal City, Missouri, on behalf of the Festus-Crystal City Levee Commission, is requesting sealed bids for stabilization and revetment of an eroded Plattin Creek bank adjacent to the federal levee.

Northlake Public Library District is seeking bids for the renovation of its children's area, with a pre-bid meeting on August 20, 2026, and bids due September 10, 2026.

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.

Saint Louis County Government is soliciting bids to supply and deliver specified white copy paper to various County department locations, with an estimated annual usage of 1,900 cases.

The City of Byrnes Mill, Missouri, is seeking sealed proposals for residential curbside solid waste, trash, recycling, and yard waste collection services for approximately 1,300 housing units.

The City of Eureka, Missouri is seeking bids for banking depository services, with sealed bids due by September 30, 2026.

The City of Sunset Hills, Missouri, is seeking certified public accounting firms to audit annual financial statements and perform a Single Audit, if applicable, for fiscal years ending December 31, 2026, 2027, and 2028.

Rockwood School District is seeking benefit consulting services to evaluate employee benefit plan options and support ongoing plan administration.

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 is soliciting bids for the Klondike Park waterline replacement project.