RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in King County, Washington

King County is seeking final proposals for Heavy Civil Construction Management Services for the MDCSO Chelan Wet Weather Storage Project.

The US Coast Guard is seeking engineering and related services for stormwater retrofit planning in urban unincorporated areas.

King County District Court is seeking proposals for pre-collection and time payment services.

King County is seeking a contractor to provide structured cabling upgrades, including design, installation, repair, and maintenance services for their telecommunication and data network infrastructure across over 200 locations.

King County is soliciting bids for nondestructive rail track testing services.

King County Metro Transit Department is seeking architectural, engineering, and related services for the North King County Access Base project.

The City of Bothell is seeking bids for the Sammamish River & Waynita Creek Restoration project, which involves creating a new stream channel, floodplain, and wetland areas, along with park trail improvements.

King County, Washington is seeking flood hazard mapping services for the Upper Snoqualmie Basin, with a total estimated price of $1,250,000.00 and a 10% minimum requirement for King County Certified Small Contractor and Supplier (SCS) firms.

The City of Sammamish is seeking bids for asphalt paving and ADA improvements on several city streets, including Issaquah-Pine Lake Road SE and 212th Ave SE.

The Washington State Office of Minority and Women's Business Enterprises is seeking bids for the Echo Glen Emergency Generator Project, which includes the installation of a new 750kW diesel generator and switchboard.

The City of Bellevue is seeking geotechnical plan review consultants to verify that plans for shoring permit phases of development projects meet applicable codes and standards on an as-needed basis.

The City of Bellevue is seeking on-call consultants to perform single-family plan reviews to ensure compliance with building and energy codes.

The City of Bellevue is seeking Statements of Qualifications from firms to provide Construction Administration Support services for multiple capital projects funded by the Federal Highway Administration and other USDOT agencies.

The City of Bellevue is seeking on-call structural plan review consultants to ensure compliance with building codes and structural design standards for commercial and multi-family projects.

The City of Renton is seeking bids for a CIPP rehabilitation project for sanitary and storm sewer pipes, including lateral reinstatement and point repairs.

The City of Renton is seeking Statements of Qualifications from engineering and consulting firms to prepare design documents for upcoming street overlay projects.

The City of Renton is seeking Statements of Qualifications from engineering firms to prepare design documents for their 2027 Overlay Program, which includes asphalt overlay, curb ramp upgrades, and signage.

King County Department of Natural Resources and Parks is seeking flood hazard mapping and related services for the Upper Snoqualmie basin.

Pierce County is seeking services for the dry-docking, repairs, and improvements of the M/V Steilacoom II ferry.

Pierce Transit is seeking qualified contractors to provide Job Order Contracting (JOC) Construction Services under a public works contracting procedure.

The Washington State Department of Transportation is seeking a contractor for full-depth reconstruction, ramp illumination replacement, Wavetronix data station installation, pavement marking, and traffic control on SR 512 in Pierce County.

Pierce County is soliciting proposals for River Infrastructure Locating and Assessment Services.

Pierce County is seeking a contractor to provide comprehensive employment and financial coaching services through the Centers for Strong Families Program, with $150,000 in funding available.

Pierce County is seeking contractors to repair a 36-inch diameter sanitary sewer pipe, including roadway excavation, traffic control, utility coordination, and restoration, with a project estimate of $800,000 - $950,000.

The City of Covington is seeking construction management services for its Systemic Safety Pedestrian Improvements Project, anticipated to begin in July 2026.