The Spokane Airport Board is seeking a qualified consultant (or team) to develop a comprehensive Master Plan for Spokane International…
Closed bids
Closed Washington Engineering Services Bids & RFPs
- Closed in the last 30 days
- 30
- Closed this year
- 150+
- Closed bids on record
- 200+
Bid Banana holds 200+ closed Washington engineering services solicitations. These are the 50 that closed most recently. In the last 12 months, the most Washington engineering services bids closed in September 2026 (38); the agencies behind the most of the 50 most recent were Confederated Tribes of the Colville Reservation, U.S. Department Of Defense and Spokane International Airport.
Recently closed
- Request for Qualifications (RFQ) for Spokane International Airport Master Plan, #26-49-9999-030
- 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…
- 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…
- 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…
- ON-CALL PROFESSIONAL SERVICES FOR THE COWLITZ FALLS PROJECT AND GENERATION RESOURCES
The Public Utility District No. 1 of Lewis County is soliciting engineering and professional consulting firms to serve on‑call for the…
- UPS Refurbishment
The Naval Undersea Warfare Center (Keyport) issued a sole‑source, firm‑fixed‑price RFQ for the refurbishment of an Eaton UPS system…
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- Keller Community Center Roof Replacement Engineering & Design
The Confederated Tribes of the Colville Reservation are seeking a Washington‑state‑licensed engineering firm to develop complete, stamped…
- Keller Community Center Roof Replacement Engineering & Design
The Confederated Tribes of the Colville Reservation are seeking a qualified engineering firm to provide complete design, cost estimating…
- 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…
- 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…
- 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…
- UncrewedRemotelyOperatedVehicleSystems-SW
This solicitation seeks a comprehensive solution for uncrewed and remotely operated vehicle (ROV) systems, including hardware, software…
- 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…
- 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…
- N4523A27Q5703 (2) scissor Lifts (10/15 - Revised PWS)
The Navy’s Puget Sound Naval Shipyard is seeking a small‑business vendor to lease two scissor lifts (one 19‑ft electric and one 32‑ft…
- ITB-Nondestructive Rail Track Testing Services (rebid)
- 2026-034 RFQ On-Call Building Commissioning 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…
- On-Call Mechanical, Electrical, Plumbing (MEP) Engineering Services
The City of Seattle’s Department of Finance and Administrative Services (Capital Development) is seeking qualified mechanical, electrical…
- 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…
- 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…