King, Washington government contracts, bids & RFPs

19 of the listings shown were posted in the last 30 days. King County, WA contributes the largest share (16). King County is the most represented buyer in this snapshot.

Latest open solicitations in King

• TRANSPORT-12025 - USA (King, Washington) - Rideshare Vehicle Maintenance and Repair Services - Deadline October 12,2026
  King, WAPosted Sep 14, 2026Due Oct 12, 2026

  (1) Vendor needs to provide rideshare vehicle maintenance and repair services to the government authority located in King, WA.– The Program provides vehicles, staff support, maintenance, fuel, and insurance to groups that share rides from home to work, from work to home, and to community activities and events.– All vehicles have a planned eight–year life cycle and are stored at a volunteer driver's home or a community agency's designated vehicle parking area.– The Program also assigns similar…

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• Work Order Planning Services for King County International Airport
  King CountyKing County, WAPosted Sep 14, 2026Due Oct 14, 2026

  The Consultant may provide multidisciplinary planning services, which may include but are not limited to airside and non-airside facilities, associated environmental and geotechnical assessment, evaluation, recommendations and community engagement. Planning analysis covers airport infrastructure (i.e., runways, taxiways, and aprons) as well as facilities for cargo, terminals, tenants, landside operations, and community compatibility.

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• RFQ Organizational Development Consulting Services - Supplemental
  King CountyKing County, WAPosted Sep 14, 2026Due Sep 24, 2026

  King County is soliciting submittals from interested and qualified firms to provide organizational development consulting services.

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• RFP-KCIT Workforce Management Solution
  King CountyKing County, WAPosted Sep 14, 2026Due Oct 12, 2026

  King County Information Technology (KCIT, King County), is seeking proposals for a comprehensive, scalable Workforce Management Solution that enhances operational efficiency, supports strategic workforce planning, and delivers real-time insights to optimize staffing, scheduling, and labor compliance for the initial two (2) separate participating County agencies, King County Sheriff’s Office (KCSO) and King County Department of Natural Resources and Parks (DNRP) Solid Waste Division (SWD) with…

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• RFP-Rideshare Vehicle Maintenance and Repair Services
  King CountyKing County, WAPosted Sep 11, 2026Due Oct 12, 2026

  King County is soliciting proposals from interested and qualified suppliers to provide King County Metro's Mobility Services vehicle maintenance and repair services in the Puget Sound region for its ridesharing program fleet vehicles, whose origin or destination is in King County.

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• GC/CM Services for Harborview Ninth and Jefferson Building 3T MRI
  King CountyKing County, WAPosted Sep 11, 2026Due Sep 22, 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…

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• ITB-KCSO Vehicle Graphics
  King CountyKing County, WAPosted Sep 10, 2026Due Oct 14, 2026

  King County is soliciting bids from interested and qualified firms to provide Graphic Decal Design, Printing, Installation, and Removal Services for the King County Sheriff’s Office (KCSO). 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…

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• Offsite Electrical Construction Work Order
  King CountyKing County, WAPosted Sep 10, 2026Due Sep 29, 2026

  The work under this Contract includes furnishing all labor, tools, equipment, materials, incidentals, superintendents, subcontractor coordination, and overhead to perform industrial electrical repairs, replacements, minor modifications, testing of electrical equipment, instrumentation, controls installation, and safety improvements in the Wastewater Treatment Division Offsite Program Facilities. Associated subcontractors (e.g., civil, mechanical) may be required. Any such related civil,…

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• Roof Replacement and Repair Work Order 2026
  King CountyKing County, WAPosted Sep 10, 2026Due Sep 28, 2026

  The work to be performed under this Contract consists of furnishing all tools, equipment, materials, supplies, and manufactured articles; furnishing all labor, transportation, and services, including fuel, power, water, and essential communications; and performing all work or other operations required for the fulfillment of the Contract, in strict accordance with the Contract Documents. Provide complete work. Provide all work, materials, and services not expressly indicated in the Contract…

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• ITB-BAE Parts and Tools
  King CountyKing County, WAPosted Sep 4, 2026Due Sep 16, 2026

  King County Metro is soliciting bids to establish a contract for the purchase and delivery of BAE‑manufactured tools, components, and replacement parts required for the maintenance of BAE hybrid propulsion systems installed across Metro’s bus fleet. The Contractor must supply genuine OEM BAE Systems parts, tools, sub‑assemblies, and associated hardware to support ongoing maintenance, repairs, and operational reliability of Metro’s hybrid‑electric and electric buses. All furnished components…

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• A&E for the Renton Maintenance Facility Building C HVAC and Roof Replacement
  King CountyKing County, WAPosted Sep 4, 2026Due Oct 1, 2026

  The purpose of this contract is to provide engineering and related services to King County Department of Local Services, Road Services Division (“County”) to identify and evaluate alternatives for a complete HVAC and roof replacement for Building C at the Renton Maintenance Facility for the C Building Renovation project.

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• A&E for the Renton Maintenance Facility Building C HVAC and Roof Replacement
  King CountyKing County, WAPosted Sep 2, 2026Due Oct 1, 2026

  The purpose of this contract is to provide engineering and related services to King County Department of Local Services, Road Services Division (“County”) to identify and evaluate alternatives for a complete HVAC and roof replacement for Building C at the Renton Maintenance Facility for the C Building Renovation project.

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• RFP-Infant Mental Health Consultant
  King CountyKing County, WAPosted Aug 28, 2026Due Sep 30, 2026

  Public Health–Seattle & King County (PHSKC) is requesting applications from Infant Mental Health experts to provide consultation services.

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• KCSO Uniforms & Related Items
  King CountyKing County, WAPosted Aug 26, 2026Due Sep 23, 2026

  King County is soliciting bids from interested and qualified firms to provide uniforms and related items for the King County Sheriff’s Office. 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.

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• EDUCATION-18292 - USA (King, Washington) - Promoting First Relationships Agency Training Project Service - Deadline October 1,2026
  King, WAPosted Aug 25, 2026Due Oct 1, 2026

  (1) Vendor needs to provide promoting first relationships training project services to the government authority located in King, WA.– Promoting first relationships agency training, either level 2 certified provider or level 3 agency trainer training.– Agency staff will be able to deliver PFR services that lead to:• Improved school readiness• Improved children’s social–emotional development• More responsive, nurturing caregiver–child relationships• Train and coach additional agency staff to…

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• ITB-BAE Parts and Tools
  King CountyKing County, WAPosted Aug 20, 2026Due Sep 16, 2026

  King County Metro is soliciting bids to establish a contract for the purchase and delivery of BAE‑manufactured tools, components, and replacement parts required for the maintenance of BAE hybrid propulsion systems installed across Metro’s bus fleet. The Contractor must supply genuine OEM BAE Systems parts, tools, sub‑assemblies, and associated hardware to support ongoing maintenance, repairs, and operational reliability of Metro’s hybrid‑electric and electric buses. All furnished components…

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• Heavy Civil GC/CM Services for STP Treatment and Electrical Improvements (TEI)
  King CountyKing County, WAPosted Aug 19, 2026Due Oct 13, 2026

  The Heavy Civil GC/CM Project includes preconstruction and construction services for the South Treatment Plant (STP) Treatment and Electrical Improvements (TEI) Project. The Project is intended to provide essential upgrades to preliminary treatment, secondary treatment, odor control systems, and electrical systems across the plant.

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• CONS-23307 - USA (King, Washington) - Work Order Multidisciplinary Engineering Services - Deadline September 15,2026
  King, WAPosted Aug 18, 2026Due Sep 15, 2026

  (1) Vendor needs to provide work order multidisciplinary engineering services including project management, program management, multidisciplinary engineering, planning, assessment, field engineering, analysis, alternatives development, predesign, design development, final design, services during construction, field services (start–up or commissioning), and construction as–built services for maintenance, improvement, modification, and repair of County landfill systems and facilities to the…

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• CONS-23303 - USA (King, Washington) - Electrical Engineering Services - Deadline September 21,2026
  King, WAPosted Aug 18, 2026Due Sep 21, 2026

  (1) Vendor needs to provide electrical engineering services to the government authority located in King, WA.– lighting, HVAC systems, core service operations for up to thirty–six hours during utility outages– the design solution should include solar panels, battery system, and generator, if required– the system should include automatic transfer from utility power when service is not available• Design & Engineering:o Provide all design phase services.o Produce plans, specifications, cost…

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• ITB-BAE Parts and Tools
  King CountyKing County, WAPosted Aug 14, 2026Due Sep 16, 2026

  King County Metro is soliciting bids to establish a contract for the purchase and delivery of BAE‑manufactured tools, components, and replacement parts required for the maintenance of BAE hybrid propulsion systems installed across Metro’s bus fleet. The Contractor must supply genuine OEM BAE Systems parts, tools, sub‑assemblies, and associated hardware to support ongoing maintenance, repairs, and operational reliability of Metro’s hybrid‑electric and electric buses. All furnished components…

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• EXTRA-74637 - USA (King County, Washington) - Organizational Development Consulting Services - Deadline September 15,2026
  King County, WAPosted Aug 13, 2026Due Sep 15, 2026

  (1) Vendor needs to provide organizational development consulting services in a timely manner and on an as–needed basis to the government authority located in King County, WA. A. Category A – Cultural Assessment, Analysis, and OD Plans• Implementation of all plans and interventions. • Design processes and prioritize working with equity, inclusion, belonging, and well–being considerations and approaches. • Conduct needs analyses and gap assessments• Review any existing data, including…

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• Property Management Firm Roster Inclusion RFQ
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAPosted —Due Oct 1, 2026
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• Attic Remediation at Gilman Square Apartments
  King County Housing Authority (KCHA), WAKing County Housing Authority (KCHA), WAPosted —Due Sep 18, 2026
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Recently closed in King

These Kingsolicitations closed recently — a sign of what buys here. Set a free alert so you don’t miss the next one.

• RFQ Organizational Development Consulting Services - Supplemental
  King CountyKing County, WAClosed Sep 15, 2026

  King County is soliciting submittals from interested and qualified firms to provide organizational development consulting services.

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• RFQ Organizational Development Consulting Services - Supplemental
  King CountyKing County, WAClosed Sep 15, 2026

  King County is soliciting submittals from interested and qualified firms to provide organizational development consulting services.

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• Permitting Abatement and Hazardous Materials Services Work Order
  King CountyKing County, WAClosed Sep 15, 2026

  Work of the Project includes labor, materials, tools, equipment, supplies, incidentals, testing, transportation, services, subcontractor coordination, overhead to perform incidental testing, monitoring, inspection and abatement of hazardous materials at various sites and superintendence to perform emergency and code abatement services at project sites authorized by the Owner. This work may also include any and all phases of incident response, including but not limited to: immediate mitigation…

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• Central Base, Atlantic Base & Non-Revenue UST Improvements and AST Installation
  King CountyKing County, WAClosed Sep 15, 2026

  The work under this Contract includes, but is not limited to, installation of aboveground storage tanks (ASTs); cleaning, inspection, repair and lining of existing fuel underground storage tanks (USTs), including upgrade of associated fluid level monitoring/leak detection system; permanent closure-in-place of existing non-fuel USTs; installation of supplementary sacrificial anodes for the cathodic protection of existing steel underground storage tanks; and concrete removal, excavation and…

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• Central Base, Atlantic Base & Non-Revenue UST Improvements and AST Installation
  King CountyKing County, WAClosed Sep 15, 2026

  The work under this Contract includes, but is not limited to, installation of aboveground storage tanks (ASTs); cleaning, inspection, repair and lining of existing fuel underground storage tanks (USTs), including upgrade of associated fluid level monitoring/leak detection system; permanent closure-in-place of existing non-fuel USTs; installation of supplementary sacrificial anodes for the cathodic protection of existing steel underground storage tanks; and concrete removal, excavation and…

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• Work Order Engineering Services for Solid Waste Landfill Systems
  King CountyKing County, WAClosed Sep 15, 2026

  The purpose of this contract is to provide engineering and related services on a work order basis for King County Department of Natural Resources and Parks, Solid Waste 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 services in this Scope of Work will be used.

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• EXTRA-75299 - USA (King, Washington) - RFI for Metro Access and Metro Flex Programs Services - Deadline September 11,2026
  King, WAClosed Sep 11, 2026

  Vendor needs to provide metro access and metro flex programs services to the government authority located in King, WA.– Access (paratransit) and Metro Flex (microtransit) management and operations, with the option to expand to support other Metro programs in the future.– Functions should be centralized, shared across services, or remain service.– Peer agencies structure contracts, governance, and service delivery models.– Balance customer experience, accountability, flexibility, and cost…

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• RFP-Dye-Dilution Testing Services
  King CountyKing County, WAClosed Sep 11, 2026

  King County is soliciting proposals from interested and qualified suppliers to provide dye-dilution testing services for sewer flow meters and other applications. To attend the pre-proposal conference on August 26, 2026 at 1:00PM PT, see information in the RFP document.

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Nearby cities & counties

• Ravensdale (1) · 11 mi
• Bellevue (10) · 17 mi
• Renton (4) · 17 mi
• Redmond (3) · 18 mi
• Kent (5) · 19 mi
• Mercer Island (5) · 19 mi
• Tukwila (1) · 21 mi
• Enumclaw (6) · 21 mi
• Seatac (1) · 22 mi
• Kirkland (2) · 22 mi
• Pacific (1) · 25 mi
• Seattle (51) · 26 mi
• Bothell (5) · 26 mi
• Kenmore (1) · 26 mi
• Startup (1) · 27 mi
• Skykomish (1) · 27 mi
• Mountlake Terrace (1) · 30 mi
• Puyallup (15) · 30 mi
• Lynnwood (1) · 32 mi
• Orting (1) · 32 mi
• Tacoma (20) · 34 mi
• Everett (16) · 37 mi
• Port Orchard (4) · 37 mi
• Lake Stevens (15) · 37 mi
• University Place (2) · 38 mi
• Lakewood (2) · 40 mi
• Keyport (21) · 40 mi
• Bremerton (177) · 41 mi
• Silverdale (24) · 41 mi
• Marysville (3) · 43 mi
• Cle Elum (2) · 46 mi
• Dupont (1) · 46 mi
• Darrington (5) · 54 mi
• Leavenworth (1) · 55 mi
• Quilcene (1) · 56 mi
• Stanwood (1) · 57 mi
• Olympia (10) · 59 mi
• Island (1) · 60 mi
• Tumwater (3) · 61 mi
• Shelton (1) · 63 mi

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