The City of Seattle’s Department of Finance and Administrative Services (Capital Development) is seeking qualified mechanical, electrical…
Washington · Engineering Services
Washington Engineering Services Government Bids & RFPs
- New this week
- 8
- Agencies posting
- 18
- Closing this week
- 8
31 open Washington engineering services bids are on Bid Banana right now, from 18 agencies, led by City of Seattle, King County and Washington Transportation, Dept of. 8 close in the next seven days.
FAQs
How many Washington engineering services bids close this week?
8 open Washington engineering services bids close in the next seven days.
Which agencies post the most Washington engineering services bids?
Right now: City of Seattle, King County and Washington Transportation, Dept of, by number of open engineering services bids in Washington on Bid Banana.
Are past Washington engineering services bids available?
Yes. Bid Banana holds 200+ closed Washington engineering services solicitations; the most recent are listed on this page.
Open Washington engineering services bids
Closing soonest first.
- On-Call Mechanical, Electrical, Plumbing (MEP) Engineering Services
- Airborne & Ground-Based Geophysical Data Collection
The Washington State Department of Natural Resources (DNR) seeks a qualified contractor to acquire and interpret airborne electromagnetic…
- 2026-034 RFQ On-Call Building Commissioning Services
- Outreach Event: Engineering Design Services Phased and On-Call Contracts
Seattle Public Utilities (SPU) is hosting an in‑person consultant event to brief potential prime and sub‑consultants on upcoming engineering…
- Interceptor CCTV Sonar & Laser inspection – Prevailing Wages
The City of Spokane is seeking a contractor to perform a multi‑year interceptor sewer pipeline inspection program using high‑definition…
- ITB-Nondestructive Rail Track Testing Services (rebid)
- 175th & 10th Flood Reduction
The City of Shoreline is seeking a qualified consulting firm to provide full‑service storm‑water flood‑reduction design for the NE 175th…
- Water Treatment Plant Filter Bay Valve Replacement
The City of Richland, WA is seeking a qualified engineering consultant to design the replacement of approximately 34 valves in the filter…
- RFQ Water & Wastewater SCADA System Upgrade
The City of Port Angeles is seeking qualified environmental/engineering consulting firms to develop a comprehensive SCADA Master Plan and…
- Fall Protection System Maintenance
The City of Seattle is issuing an Invitation to Bid (ITB #FA3‑6838) for a pool of contracts to provide fall protection system maintenance…
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- Horn Rapids Master Plan Update and Industrial Symbiosis
The City of Richland is seeking a qualified consulting firm to update the Master Plan for the Horn Rapids Industrial Park and to assess the…
- San Poil Forest stocking Survey 2027
The Confederated Tribes of the Colville Reservation are seeking contractors to conduct survival and stocking surveys of tree seedlings…
- RFQ - PWE - 9.30.2026 - TAPUL- 1374(003) NW Juniper Street Improvements Project
The City of Issaquah’s Department of Public Works is seeking a qualified consulting firm to provide design services for the NW Juniper…
- ON-Call Professional Services for the Cowlitz Falls Project
The District is seeking qualified engineering and professional consulting firms to provide on‑call, as‑needed services supporting the…
- Keller Community Center Roof Replacement Engineering & Design
The Confederated Tribes of the Colville Reservation are seeking a qualified engineering firm to develop complete, stamped design documents…
- ON-CALL PROFESSIONAL SERVICES FOR THE COWLITZ FALLS PROJECT AND GENERATION RESOURCES
The Public Utility District No. 1 of Lewis County is issuing an RFQ to pre‑qualify engineering and professional consulting firms for…
- Request for Qualifications (RFQ) for Spokane International Airport Master Plan, #26-49-9999-030
The Spokane Airport Board is seeking a qualified consulting firm to develop a comprehensive Master Plan for Spokane International Airport…
- Request for Qualifications (RFQ), Traffic Count and Planning Analysis, #26-43-9999-031
The Spokane Airport Board seeks a qualified engineering/consulting firm to conduct a comprehensive traffic count and produce planning…
- RFQ Ennis Creek Force Main Removal
The City of Port Angeles is issuing a Request for Qualifications (RFQ) to obtain a qualified engineering firm to design the removal of an…
- SOLICITATION NUMBER 393585 “WARM FACILITY HAZARD CATEGORY DETERMINATION”
The U.S. Department of Energy, Hanford Field Office, through Hanford Tank Waste Operations & Closure, LLC (H2C) is seeking proposals to…
- Bridge & Structures – Preservation Structural Scoping & Design Services
The Washington State Department of Transportation is seeking qualified consultants to provide statewide bridge preservation structural…
- On-Call Traffic Engineering Services
The City of Woodinville is seeking qualified traffic engineering consultants to provide on‑call engineering services. Qualified firms will…
- Engineering, Planning, and Design Services for RapidRide R Line
- Small Tool Calibration & Certification Services
- Gorge Powerhouse Crane Replacement
The City of Seattle (through Seattle City Light) is seeking a qualified design‑build firm to replace two 150‑ton overhead bridge cranes at…
- Design and Engineering for Davis Lake Road MP 1.67 Slide Repair Project
Lewis County is seeking qualified consulting firms to provide geotechnical analysis and structural design services for the permanent repair…
- BEAD Broadband Engineer
The Washington State Department of Commerce seeks a qualified broadband engineering firm to perform final inspection services for…
- WSDOT - Roadway Toll Systems Modernization Programs
Washington State’s Department of Transportation is seeking proposals to design, develop, implement, operate, and maintain statewide Roadway…
- 2026 WSDOT Consultant Prequalification
The Washington State Department of Transportation is seeking consulting firms to become pre‑qualified for a variety of professional…
- CITYWIDE CONSULTANT ROSTER: Public Utility Related Consulting
The City of Seattle is seeking eligible consultants to establish a public utility related consultant roster. The roster will be used by City…
- CITYWIDE CONSULTANT ROSTER: Engineering, Surveying, and Design Consulting
The City of Seattle is requesting eligible consultants to submit an application and statement of qualifications for the establishment of…
Recently closed Washington engineering services bids
- RFQ for On-Call Transportation Planning and Traffic Engineering Support Services
- PSC 4610 Cathodic Protection Inspection Services
The Veterans Health Administration at the Jonathan M. Wainwright VA Medical Center in Walla Walla, WA is seeking a qualified cathodic…
- CGC HEALY 1 & 3 MDE's GOVERNORS OVERHAUL & CYLINDER HEAD REPLACEMENT
The United States Coast Guard is seeking a qualified contractor to perform corrective maintenance on the main propulsion diesel generators…
- SE Eastgate Way Sidewalk
The City of Bellevue is seeking a qualified consulting firm to provide civil, structural, geotechnical and environmental engineering design…
- Siemens Medical Solutions Base Plus 4 Year Contract
The Department of Veterans Affairs is issuing a Sources Sought notice to identify qualified Service‑Disabled Veteran‑Owned and Veteran‑Owned…
- Downtown Lighting System Improvements
The City of Ridgefield is soliciting qualified lighting design, electrical engineering, and infrastructure firms to plan, design, and…
- Lamb Weston Effluent WWTP Capacity Upgrade Study
The City of Richland, WA is seeking a qualified engineering consultant (or team) to perform a stress‑test and capacity‑upgrade study of its…
- WSDOT SWR HQ HVAC controls upgrade
The Washington State Department of Transportation is seeking qualified firms to replace the existing Honeywell LON‑based building automation…
- OFF SITE REBUILD OF HYDRAULIC AND PNEUMATIC CYLINDERS WITH OEM PARTS - AS NEEDED
The City of Spokane is seeking a vendor to provide off‑site rebuilding of hydraulic and pneumatic cylinders using…
- Fish & Wildlife, Custom Designed Solar-Powered PIT Tag Detection Array
The Confederated Tribes of the Colville Reservation’s Fish & Wildlife Department seeks a contractor to design, fabricate, and install a…
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- Fish & Wildlife, Custom Designed Solar-Powered PIT Tag Detection Array
The Confederated Tribes of the Colville Reservation’s Fish & Wildlife Department seeks a qualified vendor to design, fabricate, and install…
- Bellevue Fire Department (BFD) Fire Hose, Nozzles and Appliances Annual NFPA Testing
The City of Bellevue is seeking a qualified vendor to perform annual hydrostatic testing, inspection, and certification of all fire hoses…
- FIBER MATERIALS BEAD PROJECT PA216
The Public Utility District No. 1 of Lewis County (District) is issuing an Invitation for Bid (IFB) to procure a range of fiber‑optic…
- 2026-2028 Pole Testing
The City of Port Angeles is seeking a qualified contractor to perform inspection, testing, and treatment of utility power poles over a…
- Base Seattle Fire Alarm Confidence Testing
The U.S. Coast Guard Base Seattle requires a qualified contractor to perform annual confidence testing, inspection, and reporting on all…
- Countywide Generator Maintenance and Repairs
Pierce County is seeking a licensed contractor to provide ongoing preventive maintenance and on‑demand repairs for a fleet of county‑owned…
- Fall Protection Equipment Repair
The U.S. Navy’s Fleet Logistics Center Puget Sound is seeking qualified vendors to repair fall‑protection equipment (e.g., harnesses…
- Fish & Wildlife, Two Custom Designed Incline‑Plane Traps
The Confederated Tribes of the Colville Reservation seek a qualified contractor to design, fabricate, deliver, and install two…
- Fish & Wildlife, Two Custom Designed Incline Plane Traps
The Confederated Tribes of the Colville Reservation seek a qualified contractor to design, fabricate, deliver, and optionally install two…
- Fish & Wildlife, Two Custom Designed Incline Plane Traps
The Confederated Tribes of the Colville Reservation seek a contractor to design, fabricate, and deliver two custom‑engineered incline‑plane…
- Sources Sought of Lease of 100kW Diesel Generator
The U.S. Navy’s Puget Sound Naval Shipyard is conducting market research to gauge industry capability and interest in leasing a single 100…
- Fall Protection Equipment Annual Inspection and Preventative Maintenance with Base and 2 Option Years
The U.S. Navy’s Fleet Logistics Center Puget Sound is seeking a vendor to perform annual inspection and preventative maintenance of…
- Safe Routes to School Improvements Design Services
The City of Richland, Washington is soliciting qualified engineering consultants to develop complete construction‑ready plans and…
- ELECTRICAL ENGINEERING SERVICES
The King County Library System (KCLS) is seeking a qualified firm to design a backup power system for the North Bend Library. The system…
- KCLS RFQ ELECTRICAL ENGINENEERING CONSULTING SERVICES
King County Library System is seeking a qualified engineering firm to design a backup power system for its North Bend Library. The scope…
- Univ. of Washington, Lutron Lighting Controls RFP Aug 31 2026
The University of Washington’s Bothell campus and its Housing & Food Services division are seeking a qualified vendor to provide…
- JACE - Supervisory Controller Upgrade and Installation
This solicitation seeks proposals from small‑business firms to upgrade and install a JACE Supervisory Controller for the U.S. Navy. The…
- On-Call Architectural & Engineering Consultant Services Roster
The City of Lynnwood is establishing an on‑call roster of architectural and engineering consulting firms to provide a broad set of municipal…
- Betterbuilt R640 Series Cart and Utensil Washer, Name Brand or Equa
The Department of Veterans Affairs (Portland VAMC) is seeking a brand‑name or equal BetterBuilt R640 cart and utensil washer, including…
- MXG Air Compressor Maintenance
The United States Air Force, through its 92d Contracting Squadron, is seeking a small‑business‑qualified contractor to provide comprehensive…
- On-Call Electrical Engineering Support Services RE-BID
The City of Seattle, on behalf of Seattle Public Utilities, is seeking a qualified consultant to provide on‑call electrical engineering…
- Centennial Trail Study from Center Street to Boulder Beach
The City of Spokane is seeking qualified firms to conduct a professional planning and preliminary engineering study for the Centennial Trail…
- Lease of one (1) 500kW Diesel Generator
The U.S. Navy’s Puget Sound Naval Shipyard & Intermediate Maintenance Facility (PSNS & IMF) is seeking a small‑business vendor to lease a…
- Mechanic Labor
The U.S. Navy, through NAVSUP Fleet Logistics Center Puget Sound, is seeking a women‑owned small business to provide on‑site mechanic labor…
- Seawolf Class R114 Compressor Assessment
The US Navy’s Puget Sound Naval Shipyard intends to award a sole‑source, firm‑fixed‑price contract to Johnson Controls Navy Systems, LLC for…
- J065--New V20 TCGRx Support Contract -
The Department of Veterans Affairs (VA) is soliciting quotes for a firm‑fixed‑price contract to provide annual maintenance and support…
- White City VA Digital Recirculation Valves Service Maintenance
The Department of Veterans Affairs (VA) seeks a certified Service‑Disabled Veteran‑Owned Small Business (SDVOSB) to provide five‑year (base…
- RFP Professional Engineering Services Support
The Navy has issued an amendment to an existing SeaPort‑NXg solicitation (N00178‑24‑R‑7000) to solicit professional engineering services…
- Utility Float Modifications for Naval Station Everett Port Operations
The U.S. Navy seeks a qualified contractor to repurpose five existing utility floats at Naval Station Everett into anchored small‑boat…
- COMPARATOR
The Defense Logistics Agency (DLA) Maritime – Puget Sound is soliciting quotes for a commercial‑off‑the‑shelf (COTS) “Comparator” device…
- CALIBRATION AND MAINTENANCE SERVICE BALANCES AND WEIGHING DEVICES
The U.S. Navy’s Puget Sound Naval Shipyard is seeking a firm‑fixed‑price contractor to provide on‑site preventive maintenance and…
- Lease of 500kW Diesel Generator, 1000kW Diesel Generator, and 1600A Automatic Transfer Switch
The U.S. Navy’s Puget Sound Naval Shipyard & Intermediate Maintenance Facility (PSNS‑IMF) is seeking a small‑business vendor to lease one…
- SOURCES SOUGHT NOTICE / REQUEST FOR INFORMATION USS MCCAMPBELL (DDG-85) - MAIN REDUCTION GEAR NO. 1 LUBE OIL FLUSH
The U.S. Navy is conducting market research to identify qualified contractors capable of performing an on‑site initial and final lube‑oil…
- Police Radios for Spokane VAMC
The Department of Veterans Affairs (VA) Mann‑Grandstaff VAMC in Spokane, WA is soliciting a new, brand‑name‑only Motorola handheld police…
- Honeywell Vindicator V3 Intrustion Detection System Support
The Strategic Weapons Facility Pacific (SWFPAC) on Naval Base Kitsap‑Bangor, WA, seeks a vendor to provide full life‑cycle support for its…
- Intent to Sole-Source - CVN 71 Main Shaft Seal Overhaul
The U.S. Navy’s Puget Sound Naval Shipyard intends to award a sole‑source firm‑fixed‑price service contract to Defense Maritime Solutions…
- HVAC Senior Engineer Services
The U.S. Navy’s Puget Sound Naval Shipyard and Intermediate Maintenance Facility (PSNS & IMF) is conducting a Sources‑Sought market research…
- J063--Restoration of existing Alertus Communication System Mass Emergency Notification System Portland VAMC
The Department of Veterans Affairs is soliciting quotations from small businesses to restore, inspect, and maintain the existing Alertus…
- Work Order Multidisciplinary Engineering Services for Airport Division
- INSPECTION AND TESTING OF FIRE AND EMERGENCY SERVICES GROUND LADDERS, HOSES, APPLIANCES AND NOZZLES
The U.S. Navy’s Fleet Logistics Center Puget Sound is seeking a Women‑Owned Small Business to perform comprehensive inspection and testing…
Recently awarded
Survey Equipment & Accessories Engineering Services, Paine Field Runway 16R-34L, Rehabilitation Caterpillar Heavy Equipment Parts and Repair Service Design Services, Larson Road Bridge #101 Seismic Retrofit Materials Testing, 164th St SW Overlay Design, Geotechnical Svc, Meadowdale Beach Park Critical Areas & Geographical Engineering Services – Taxilane Echo Phase 2, Paine Field Tower Inspection & Load Studies Snohomish River Trail, Design Services