Government contracts & bids in King, Washington

Latest open solicitations in King

• GC/CM Services for Harborview Ninth and Jefferson Building 3T MRI
  King CountyKing County, WAPosted Jul 31, 2026Due Aug 24, 2026

  The GC/CM Project includes preconstruction and construction services for the Harborview Ninth and Jefferson 3T MRI Project. The Project is intended to provide a make-ready space for the installation of an MRI unit and programming upgrades for the existing Harborview Medical Center outpatient imaging program that is located on the 3rd floor of the Ninth and Jefferson Building. The space was originally designed with the intent of adding a future MRI unit. The MRI system and its associated chill…

• South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation
  King CountyKing County, WAPosted Jul 31, 2026Due Aug 12, 2026

  The project work is located at the South Treatment Plant, 1200 Monster Road SW, Renton, Washington 98057. The purpose of this project is to modify and replace six dissolved air flotation thickener (DAFT) mechanisms, piping and appurtenances, their related cover systems and access hatches, and associated electrical equipment. This project also includes the modification of the existing concrete tank walls for four DAFTs.

• Cedar Hills Regional Landfill Building Repair Services Work Order
  King CountyKing County, WAPosted Jul 30, 2026Due Aug 18, 2026

  This Contract will be issued by work order and consists of furnishing all tools, equipment, materials, supplies, and manufactured articles; furnishing all labor, transportation, and services, including fuel, power, water, essential communications, performing all work or other operations required for the fulfillment of the Contract and work issued under each work order in strict accordance with the Contract Documents.

• ITB-Powder Coating of Bollards and Gates
  King CountyKing County, WAPosted Jul 30, 2026Due Aug 10, 2026

  King County is soliciting bids from interested and qualified firms to provide powder coating of bollards and gates services.

• WO Multidisciplinary Eng & Related Svcs for Civil Improvements & Passenger Facil
  King CountyKing County, WAPosted Jul 28, 2026Due Aug 3, 2026

  The purpose of this contract is to provide design, engineering, and related services on a work order basis for King County (“County”). The exact disciplines required and the amount of work for each discipline have not been determined. The Consultant should be capable of adding disciplines expeditiously, as necessary, to meet the needs of specific work orders. There is no guarantee that all services in this Scope of Work will be used.

• Urgent Wastewater System Repairs
  King CountyKing County, WAPosted Jul 28, 2026Due Aug 10, 2026

  The scope of work for this Contract is to address emergent issue mitigation and includes, but is not limited to: exploratory excavation, minor piping systems repairs, modifications, and relocations in conveyance system infrastructure both in ground and in conveyance system infrastructure such as regulator and pump stations, and repair and mitigation improvements of electrical and/or instrumentation and control systems in conveyance system infrastructure. The work under this Contract may requi…

• ITB-Vehicle Broker Services
  King CountyKing County, WAPosted Jul 27, 2026Due Aug 21, 2026

  King County is soliciting bids from interested and qualified firms to provide vehicle broker services.

• ITB-GAS AND WELDING PRODUCTS, EQUIPMENT, AND ITEMS
  King CountyKing County, WAPosted Jul 27, 2026Due Sep 10, 2026

  King County is soliciting bids from qualified suppliers to establish a contract for Gas and Welding Products, Equipment & Related items.

• ITB-DLS Roads Cement, Concrete, and Mortar Mix
  King CountyKing County, WAPosted Jul 27, 2026Due Aug 26, 2026

  King County is soliciting bids from interested and qualified firms to provide Cement, Concrete, & Mortar Mix for King County, primarily DLS’s Roads Division. The purpose of this Invitation to Bid is to establish a contract to provide goods or services on an as needed basis. Any quantities listed herein are for bidding evaluation purposes only and represent King County’s estimated annual requirements. The County will be neither obligated nor restricted to the quantities or locations indicated.

• Work Order Multidisciplinary Design Review and Technical Review Services for WTD
  King CountyKing County, WAPosted Jul 23, 2026Due Aug 24, 2026

  The purpose of this contract is to provide multidisciplinary design review, technical review, and related services on a work order basis for King County Department of Natural Resources and Parks, Wastewater Treatment Division (“County”). The exact disciplines required and the amount of work for each discipline have not been determined. The Consultant should be capable of adding disciplines expeditiously, as necessary, to meet the needs of specific work orders. There is no guarantee that all s…

• RFP-Behavioral Health and Recovery Division’s (BHRD) Needs Survey Implementation
  King CountyKing County, WAPosted Jul 22, 2026Due Aug 14, 2026

  King County is soliciting proposals from interested and qualified suppliers to prepare, collect, and process data for a population-based survey about behavioral health needs and access for a random probability sample of non-institutionalized King County, WA residents per the Scope of Work/Technical Requirements.

• South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation
  King CountyKing County, WAPosted Jul 21, 2026Due Aug 12, 2026

  C. The project work is located at the South Treatment Plant, 1200 Monster Road SW, Renton, Washington 98057. The purpose of this project is to modify and replace six dissolved air flotation thickener (DAFT) mechanisms, piping and appurtenances, their related cover systems and access hatches, and associated electrical equipment. This project also includes the modification of the existing concrete tank walls for four DAFTs.

• Crane Hoist Inspections, Testing and Repair Services
  King CountyKing County, WAPosted Jul 20, 2026Due Aug 12, 2026

  King County is seeking qualified bids to provide hoist, crane, and safety inspection, repair and preventive and remedial maintenance services.

• King County Environmental Lab Electrical Work Order 2027-2028
  King CountyKing County, WAPosted Jul 16, 2026Due Aug 12, 2026

  Furnish all labor, materials, and equipment necessary to provide and perform on-call repair, and minor improvement work on King County facilities, primarily associated with the King County Environmental Lab’s site electrical systems on a Work Order (W.O.) basis. The scope of work on electrical operating systems under this Contract may include emergency repairs involving quick response (on-site mobilization within four hours), normal repair work, high voltage work, routine maintenance work and…

• RFQ-Grant Application Assistance & Grantee Capacity Building Consultant Services
  King CountyKing County, WAPosted Jul 15, 2026Due Aug 12, 2026

  King County is soliciting submittals from interested and qualified firms to establish a roster of qualified contractors to provide grant application assistance and grantee capacity building (GACB) consultant services to community-based organizations seeking and receiving grant funding from King County Parks. To attend the pre-submittal conference on July 27, 2026 at 10:00AM PT, see information in the RFQ document. Please contact the Contract Specialist listed in the RFQ document with any ques…

• RFP-Seattle ORCA Business Outreach
  King CountyKing County, WAPosted Jul 15, 2026Due Aug 5, 2026

  King County is soliciting proposals from qualified suppliers to provide Seattle ORCA Business Outreach support throughout the City of Seattle and/or North King County per the Scope of Work.

• EXTRA-72805 - USA (King, Washington) - Custom Shipboard a Frame System - Deadline August 4,2026
  King, WAPosted Jul 11, 2026Due Aug 4, 2026

  (1) Vendor needs to provide custom shipboard a frame system to the government authority located in King, WA.– The system shall comprise two hydraulic cylinders that operate in parallel, two double–reeved side–mounted winches, and one deck winch that is single–reeved over the center block of the a–frame.– The a–frame and associated components will be used in shipboard operations at sea to deploy and recover equipment weighing up to 20 short tons.  (2) All the questions must be submit…

• EQU-18850 - USA (King, Washington) - Shipboard A-Frame System - Deadline August 4,2026
  King, WAPosted Jul 10, 2026Due Aug 4, 2026

  (1) Vendor needs to provide shipboard a–frame system to the government authority located in King, WA.– System shall comprise two hydraulic cylinders that operate in parallel, two double–reeved side–mounted winches, and one deck winch that is single–reeved over the center block of the A–frame.– One complete A–frame launch–and–recovery system including all structural components, hydraulic cylinders, winches, HPU, control console, hoses, FAT, documentation package, and associated accessories.(2)…

• RFP Community Based Organization Led Services for Youth in Custody
  King CountyKing County, WAPosted Jul 9, 2026Due Aug 12, 2026

  King County is soliciting proposals from interested and qualified suppliers to provide community-based organization led services for youth in custody.

• ITB-Powder Coating of Bollards and Gates
  King CountyKing County, WAPosted Jul 8, 2026Due Aug 3, 2026

  King County is soliciting bids from interested and qualified firms to provide powder coating of bollards and gates services.

• ITB-Vehicle Logo Installation and Repair Services
  King CountyKing County, WAPosted Jul 7, 2026Due Aug 5, 2026

  King County is soliciting bids from interested and qualified firms to install and remove vinyl-cut logo decals for public transit rideshare vehicles, primarily for its Vanpool and Vanshare programs.

• WO Multidisciplinary Eng & Related Svcs for Civil Improvements & Passenger Facil
  King CountyKing County, WAPosted Jun 26, 2026Due Aug 3, 2026

  The purpose of this contract is to provide design, engineering, and related services on a work order basis for King County (“County”). The exact disciplines required and the amount of work for each discipline have not been determined. The Consultant should be capable of adding disciplines expeditiously, as necessary, to meet the needs of specific work orders. There is no guarantee that all services in this Scope of Work will be used.

• RFP-Community Engagement Consultant Services Transit to Nature Trailhead Direct
  King CountyKing County, WAPosted Jun 22, 2026Due Aug 6, 2026

  King County is soliciting proposals from interested and qualified suppliers to provide a services for the Transit to Nature program, which is a partnership sponsored by King County Parks and King County Metro that aims to reduce barriers for King County residents to access the outdoors.

• Property Management Firm Roster Inclusion RFQ
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAPosted —Due Oct 1, 2026
• Building E Exterior Renovation at Carriage House Apartments
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAPosted —Due Aug 20, 2026
• Bathroom Fan Replacement at Emerson Apartments
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAPosted —Due Aug 27, 2026
• Truss Reinforcement at Timberwood Apartments
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAPosted —Due Aug 6, 2026
• Bathroom Fan Replacement at Haven Apartment Homes
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAPosted —Due Aug 21, 2026

Recently closed in King

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• South Treatment Plant Dissolved Air Flotation Thickener Tanks Rehabilitation
  King CountyKing County, WAClosed Jul 30, 2026

  C. The project work is located at the South Treatment Plant, 1200 Monster Road SW, Renton, Washington 98057. The purpose of this project is to modify and replace six dissolved air flotation thickener (DAFT) mechanisms, piping and appurtenances, their related cover systems and access hatches, and associated electrical equipment. This project also includes the modification of the existing concrete tank walls for four DAFTs.

• DNRP Moyno Parts Inventory
  King CountyKing County, WAClosed Jul 29, 2026

  King County is soliciting bids from interested and qualified firms to provide the purchase and delivery of Moyno Parts and related items (either OEM or appropriate aftermarket products) on an as-needed basis. Any quantities listed herein are for bidding evaluation purposes only. The purpose of this Invitation to Bid is to establish a contract to provide the goods or services as described within the technical specifications. The County will be neither obligated nor restricted to the quantities…

• RFP-State Government Relations Consultant Services
  King CountyKing County, WAClosed Jul 29, 2026

  King County is soliciting proposals from interested and qualified suppliers to provide state legislative affairs, government relations, policy analysis, and strategic advisory services.

• Work Order Asset Management and Related Services for Parks Division
  King CountyKing County, WAClosed Jul 29, 2026

  The purpose of this contract is to provide asset management, and related services, on a work order basis for King County (“County”). The exact disciplines required and the amount of work for each discipline have not been determined. The Consultant should be capable of adding disciplines expeditiously to meet the needs of specific work orders. There is no guarantee that all services in this Scope of Work will be used.

• Deck, Stairs & Landing Replacement at Landmark Apartments
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAClosed Jul 29, 2026
• King County International Airport Pavement Improvements Work Order 2026
  King CountyKing County, WAClosed Jul 28, 2026

  B.A. The Contract consists of Work Orders to be issued by the Airport within the Contract Time for paving and drainage maintenance improvements at the Airport. Work includes, but is not limited to, clearing, excavation, removal, and disposal of existing site materials; placing finished and curbing of unreinforced and reinforced slabs; paving with Portland Cement Concrete and/or asphalt concrete; installations of pipe sections, installation and removal of pavement paint markings, emergency pav…

• ITB-Vehicle Broker Services
  King CountyKing County, WAClosed Jul 27, 2026

  King County is soliciting bids from interested and qualified firms to provide vehicle broker services.

• ITB-Vehicle Broker Services
  King CountyKing County, WAClosed Jul 27, 2026

  King County is soliciting bids from interested and qualified firms to provide vehicle broker services.

Nearby cities & counties

• Issaquah (6) · 11 mi
• Ravensdale (1) · 11 mi
• Maple Valley (2) · 13 mi
• Bellevue (6) · 17 mi
• Renton (1) · 17 mi
• Redmond (5) · 18 mi
• Kent (2) · 19 mi
• Mercer Island (2) · 19 mi
• Enumclaw (2) · 21 mi
• Auburn (1) · 22 mi
• Seatac (3) · 22 mi
• Seattle (32) · 26 mi
• Bothell (5) · 26 mi
• Startup (1) · 27 mi
• Skykomish (1) · 27 mi
• Edgewood (1) · 28 mi
• Fife (1) · 30 mi
• Mountlake Terrace (1) · 30 mi
• Puyallup (15) · 30 mi
• Tacoma (17) · 34 mi
• Pierce (1) · 34 mi
• Everett (8) · 37 mi
• Port Orchard (3) · 37 mi
• Lake Stevens (15) · 37 mi
• Lakewood (2) · 40 mi
• Keyport (8) · 40 mi
• Kapowsin (1) · 40 mi
• Bremerton (118) · 41 mi
• Silverdale (18) · 41 mi
• Marysville (1) · 43 mi
• Cle Elum (1) · 46 mi
• Darrington (1) · 54 mi
• Leavenworth (1) · 55 mi
• Olympia (19) · 59 mi
• Island (1) · 60 mi
• Port Townsend (2) · 62 mi
• Shelton (1) · 63 mi
• Conway (2) · 63 mi
• Oak Harbor (2) · 67 mi
• Mount Vernon (3) · 68 mi

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