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

Browse open government contracting RFPs, RFIs, RFQs, and Sources Sought in Seattle, Washington on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies across Seattle, Washington, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

StatusTitleBuyerDue Date
OpenEnterprise 4G LTE Network Extenders

Seattle Public Schools intends to sole-source Verizon 4G LTE Network Extender 3 devices to improve cellular coverage and communications for district staff.

Seattle, WA, USA•Sole Source
Seattle School District No. 111/13/2026
OpenAdministrative Printing Services

King County is seeking qualified firms to join a roster for administrative printing services.

King County, WA, USA•Request for Quote/Qualifications (RFQ)Small Business
King County > Executive Services > Facilities Management12/1/2026
OpenLow- and Medium-Voltage Transformer Inspection and Diagnostics

King County Wastewater Treatment Department is seeking field inspection, analysis, and diagnostic services for Liebert low- and medium-voltage power transformers.

King County, WA, USA•Request for Proposal (RFP)Small Business
King County > Wastewater Treatment Division12/4/2026
OpenTransit Coach Alternators and Parts

King County is seeking a supplier to provide C.E. Niehoff alternators, voltage regulators, and internal repair parts for transit coaches under a five-year contract.

King County, WA, USA•Invitation for/to Bid (IFB/ITB)Small Business
King County > Procurement and Payables Section11/18/2026
OpenOn-Call Elevator Assessment and Modernization Services

The City of Seattle is seeking consultant teams for on-call elevator assessments, modernization or replacement design, and construction administration services, with two contracts capped at $3 million each through 2031.

Seattle, WA, USA•Request for Quote/Qualifications (RFQ)
City of Seattle > Department of Finance and Administrative Services > Capital Development Division11/19/2026
OpenP-8A Ground Vibration Testing

The Naval Air Systems Command is seeking capability responses for a proposed sole-source Boeing P-8A ground vibration test to assess integration of additional stores on the aircraft’s wing stations for a foreign military sales customer.

Seattle, WA, USA•Sources Sought
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVAL AIR SYSTEMS COMMAND (NAVAIR HQS)11/16/2026
OpenConstruction Outreach, Training, Clean-Energy Jobs, and Retention Services

The City of Seattle seeks proposals for construction outreach, training, clean-energy job placement, and retention services, with multiple awards anticipated and $3.1 million in total available funding.

Seattle, WA, USA•Request for Proposal (RFP)
City of Seattle11/17/2026
OpenSeasonal Food and Non-Food Concessions

The City of Seattle is seeking vendors for seasonal food and non-food concessions at Tier 1, Tier 2, and Tier 3 parks, with a competitive application process for the 2027-2028 season.

Seattle, WA, USA•Request for Proposal (RFP)
City of Seattle > Seattle Public Library2/1/2027
OpenInstitutional Review Board Management System

The University of Washington is seeking a SaaS solution to support its Human Subjects Division and Institutional Review Board operations, including management of human-subjects research workflows.

King County, WA, USA•Request for Proposal (RFP)
University of Washington > Procurement Services11/20/2026
OpenOn-Call Structural and Seismic Engineering Services

The City of Seattle is seeking qualifications from two firms to provide on-call structural and seismic/disaster engineering assessments, design, and construction administration for City facilities.

Seattle, WA, USA•Request for Quote/Qualifications (RFQ)
City of Seattle > Department of Finance and Administrative Services > Capital Development Division12/2/2026
OpenFiber-Reinforced Polymer Durable Trail Puncheons

King County is seeking bids for durable fiber-reinforced polymer puncheons and related materials and labor for park facilities, with approximately 27 units to be purchased annually.

King County, WA, USA•Invitation for/to Bid (IFB/ITB)Small Business
King County > Procurement and Payables Section11/18/2026
OpenPOTS and Centrex Line Replacement

King County is seeking a turnkey solution to replace legacy POTS and Centrex lines, including implementation, migration, testing, deployment, documentation, and ongoing support.

King County, WA, USA•Request for Proposal (RFP)Small Business
King County > Information Technology > Operations and Infrastructure11/30/2026
OpenFarmland Access Strategic Initiative Consulting Grant

King Conservation District is seeking consultants to improve access to farmland in King County through a grant-funded strategic initiative, including collaboration with King County and planning an annual countywide summit.

King County, WA, USA•Grant
King County > King Conservation District-
OpenSand, Rock, and Gravel Supply

King County is soliciting bids for the supply of sand, rock, and gravel materials.

King County, WA, USA•Invitation for/to Bid (IFB/ITB)Small Business
King County > Department of Local Services > Road Services Division12/1/2026
OpenWastewater Division Leadership Development

King County is seeking leadership consultants to provide leadership and team development, strategic planning, and coaching for its Wastewater Treatment Division leadership team.

King County, WA, USA•Request for Proposal (RFP)Small Business
King County > Wastewater Treatment Division11/17/2026
OpenCapital Project Control Services

King County Metro Transit Department is seeking professional services to initiate, maintain, and close out capital projects using its Comprehensive Project Management Tool.

King County, WA, USA•Request for Proposal (RFP)Small Business
King County > Metro Transit Department > Capital Division12/17/2026
OpenOfficial Newspaper Publication Services

The City of Seattle is seeking a newspaper to publish its official proceedings and notices under a one-year contract, with an estimated annual usage of approximately $120,000.

Seattle, WA, USA•Invitation for/to Bid (IFB/ITB)
City of Seattle > Department of Finance and Administrative Services > Purchasing and Contracting Services12/17/2026
OpenOn-Call Solid Waste Data Analysis and Economic Services

The City of Seattle is seeking an on-call consultant for solid waste data analysis, economic modeling and forecasting, program evaluation, and related reporting and visualization services under a contract of up to five years with an estimated value of $625,000.

Seattle, WA, USA•Request for Proposal (RFP)
City of Seattle11/13/2026
OpenClean Heat Rebate Administration

The City of Seattle is seeking proposals for a consultant to administer clean-heat rebates, coordinate heat pump and appliance distributors and installers, manage participant data, and market the program to residents.

Seattle, WA, USA•Request for Proposal (RFP)
City of Seattle11/14/2026
OpenJob Order Contract Construction Services

Renton School District No. 403 is seeking qualified contractors to provide job order construction services under a public works contract.

Seattle, WA, USA•Request for Proposal (RFP)
Renton School District No. 40312/17/2026
OpenTransit Coach Alternators and Parts

King County is seeking C.E. Niehoff alternators, voltage regulators, and internal repair parts for transit coaches.

King County, WA, USA•Invitation for/to Bid (IFB/ITB)Small Business
King County > Fleet Management11/18/2026
OpenAircraft Control Panel Repair and Overhaul

The U.S. Navy is seeking a contractor to repair, upgrade, overhaul, inspect, and test an aircraft control panel to return it to ready-for-issue condition.

Seattle, WA, USA•Request for Proposal (RFP)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)11/30/2026
OpenStudent Assignment System Software

Seattle Public Schools is seeking a configurable student assignment system, including software for school assignments, school choice, and open enrollment, with implementation and ongoing support.

Seattle, WA, USA•Request for Proposal (RFP)
Seattle School District No. 1 > Contracting Services11/20/2026
OpenSenior Mechanical Plans Engineering Services

The City of Seattle is seeking a senior mechanical plans engineer consultant to review building mechanical and energy systems for code compliance and provide technical guidance.

Seattle, WA, USA•Request for Quote/Qualifications (RFQ)
City of Seattle > Seattle Department of Construction and Inspections11/21/2026
OpenSmall Single- and Multi-Jet Cold Water Meters

The City of Seattle is seeking bids for small single- and multi-jet cold water meters, including visual-read and AMR-enabled registers, with delivery and ongoing supply under a five-year contract with one optional two-year extension.

Seattle, WA, USA•Invitation for/to Bid (IFB/ITB)
City of Seattle11/18/2026
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