RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Charleston County, South Carolina

Charleston County is seeking qualified engineering firms for an indefinite delivery contract covering stormwater drainage studies, design, surveying, geotechnical investigations, permitting assistance, and related services, with qualifications due October 16, 2026, at 3:00 p.m. Eastern Time.

The City of Charleston is seeking qualified architectural firms to provide Architect of Record services for the Eastern and Western Peninsula Offerings under Project 3500, with proposals due November 2, 2026, and at least one mandatory site visit required.

Charleston County School District is seeking bids for kitchen hood and exhaust cleaning services, with proposals submitted through its procurement portal by September 28, 2026, at 2:00 p.m.

The U.S. Army Corps of Engineers is planning a small-business-set-aside firm-fixed-price contract for shoreline protection, dike realignment, clearing, and related work in an Atlantic Intracoastal Waterway placement area in Charleston County, South Carolina.

Charleston County is seeking a full-service custodial and floor care contractor for various county facilities, including daytime and nighttime cleaning, day porter services, and scheduled floor maintenance.

Palmetto Community Action Partnership is seeking licensed and insured residential contractors to install energy efficiency measures including air sealing, insulation, minor carpentry, smoke and CO alarms, and bathroom exhaust fans.

Charleston County is seeking qualified engineering firms for a two-year indefinite delivery contract supporting stormwater regulatory compliance, including MS4 permitting, plan review, impaired-waters monitoring, and water-quality services, with submissions due through the Procurement Portal on October 13, 2026, at 3:00 PM Eastern Time.

The City of Charleston is seeking proposals for civil engineering and landscape architecture services for the Eastern Peninsula Offering project, with a mandatory site visit and proposals due September 21, 2026.

The Berkeley-Charleston-Dorchester Council of Governments is seeking qualified planning and design professionals to update its regional micromobility plan, including public engagement, policy analysis, multimodal needs assessment, project prioritization, and design guideline updates.

Charleston County is seeking qualified firms to provide right-of-way services for transportation projects on an as-needed basis under an indefinite delivery contract.

The City of Charleston is seeking an Architect of Record for the Eastern and Western Peninsula Offerings, with mandatory pre-proposal site visits and proposals due September 21, 2026.

The City of Charleston is seeking a single vendor to provide pre-employment background investigations, DOT and non-DOT drug testing, physical examinations, tuberculosis testing, and related screening technology and support.

The Citadel is seeking a general contractor for design-bid-build renovation of Dunnemann Apartments in Charleston, including main electrical system upgrades and replacement of two elevators with one modern passenger elevator.

The City of Charleston is seeking traffic controller services and related equipment, including 130 Q-Free 2070ATC controllers, software, spare parts, training, and support, with bids due September 29, 2026, at 12:00 p.m.

Charleston Water System is requesting sealed bids for 16 waste containers with scheduled servicing, transportation, and disposal at four primary facilities.

The City of Charleston's Charleston Water System is seeking contractor prequalification for construction of water and wastewater utility relocations supporting the Lowcountry Rapid Transit project in Charleston and North Charleston, South Carolina.

Charleston County is seeking a turnkey CAD-to-CAD solution for its consolidated 9-1-1 dispatch center that supports regional public safety operations and future expansion to additional partners.

Charleston County Park & Recreation Commission is seeking architectural, engineering, planning, surveying, aquatic facility planning, and related consulting firms to establish a pre-qualified pool for future capital improvement projects.

Charleston County School District is seeking a contractor to clean kitchen exhaust hood systems at its schools twice annually, including hoods, fans, motors, ductwork, roof caps, and filters, with separate inspection-only services at four locations.

The City of Charleston is seeking a licensed specialty marine contractor for annual, as-needed inspection, maintenance, repair, and storm-response services for city-owned docks, piers, and other marine structures.

The City of Charleston is seeking qualified firms to provide pre-employment and background check services under Solicitation 26-P022R.

The Housing Authority of the City of Charleston is seeking qualifications from experienced developers for mixed-use redevelopment, including affordable, market-rate, rental, homeownership, and workforce housing projects.

The City of Charleston is accepting bids for traffic controllers, with bids due September 29, 2026, at 2 George Street, Suite 3600.

The City of Charleston is seeking an engineering consultant for Phase One professional services to evaluate flood-mitigation alternatives and develop a conceptual preliminary engineering and planning package for the approximately 1,600-acre Dupont Wappoo watershed.

Charleston County is seeking a qualified contractor to provide comprehensive custodial and floor care services at various county facilities under IFB No. 6223-27K.