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Government contracts for engineering services in Washington
A snapshot of open federal, state, and local opportunities in Washington, updated daily. To search them and get daily matches for your business, sign up free.
About engineering services contracts in Washington
Engineering services contracts in Washington typically cover roadway and bridge design, construction engineering and inspection, water and wastewater system design, geotechnical investigations, stormwater and drainage studies, traffic engineering, and multi-year on-call engineering services agreements. Federal posts in this category fall under NAICS 541330 (Engineering Services), the largest professional-services classification in government contracting, and the bulk of the work flows to the U.S. Army Corps of Engineers, DoD installations, the GSA, and state Departments of Transportation. Engineering procurements typically follow qualifications-based selection under the Brooks Act and state mini-Brooks statutes, and many on-call pools are set aside for 8(a), SDVOSB, and DBE-certified firms.
Washington currently has 34 open engineering services contracts in our database, with 21 added in the last 30 days. That's enough volume that a focused small business can win recurring work in this state without ever leaving its home market. The most active buyers are City of Seattle (12 open posts) and King County (6), with the rest spread across other federal civilian agencies, DoD components, and state and local departments active in Washington.
Beyond federal opportunities, much of the engineering services work in Washington is posted through Washington's Electronic Business Solution (WEBS), with recurring buyers including WSDOT, the University of Washington / Washington State University, and Sound Transit. Washington's Office of Minority and Women's Business Enterprises (OMWBE) certification is the gate for most diversity-set-aside spend at the state level. ContractRadar pulls federal postings from SAM.gov alongside state and local feeds so an engineering firm doesn't have to monitor each portal manually.
Top matching contracts in Washington
WO Construction Management Services for Water and Land Resources Division
The purpose of this contract is to provide construction management and inspection, and related services on a work order basis for King County (“County”). The exact disciplines required and the amount …
WO Construction Management Services for Water and Land Resources Division
The purpose of this contract is to provide construction management and inspection, and related services on a work order basis for King County (“County”). The exact disciplines required and the amount …
COLLEGE PLACE WWTP PHASE 1B
PCI requests pricing for the following scopes: Aggregate, electrical, geotextiles, cast-in-place concrete, precast concrete, concrete finishing, rebar installation, masonry, structural steel, metal fa…
Heavy Civil GC/CM Services for STP Treatment and Electrical Improvements (TEI)
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 pro…
Heavy Civil GC/CM Services for STP Treatment and Electrical Improvements (TEI)
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 pro…
CITYWIDE CONSULTANT ROSTER: Engineering, Surveying, and Design Consulting
The City of Seattle is requesting eligible Consultants submit an application and statement of qualifications for the establishment of engineering, surveying and design related consultant rosters.
WSDOT GIS and Roadway Data Consultant
WSDOT is seeking a consultant, or consultant team, to provide a breadth and depth of technology skills and experience to support a GIS technology modernization program. The program consists of multipl…
Chief Joseph Dam (CJD) Intake Concrete Stairs Repair
This SOURCES SOUGHT ANNOUNCEMENT for RFP W912DW27RA016 is for informational and market research purposes only. THIS IS A SOURCES SOUGHT NOTICE ONLY. THIS IS NOT A REQUEST FOR PROPOSAL, REQUEST FOR QUO…
Outreach Event: Engineering Design Services Phased and On-Call Contracts
Project Description: Seattle Public Utilities (SPU) will host an in-person consultant event to provide an overview of several upcoming engineering design on-call and phased contracts. SPU is offering …
Request Seawall Data Room Access
Project Description: The City of Seattle, through its Department of Transportation (SDOT) and Office of the Waterfront, Civic Projects and Sound Transit (OWCPST), is preparing to issue a Request for Q…
Guardrail Program - 2025 CRP 5978
This project provides for the improvement of Bridge #28173-D on 8th Avenue South by installing beam guardrail, transitions and terminals, and other work in accordance with and as described in the Plan…
Parks General Earthworks and Paving Services
The purpose of this bid is to secure the services of a qualified general contractors with expertise in all phases of site construction as required to furnish all labor, tools, equipment, materials, in…
Camp Murray & Seattle Readiness Center Stormwater Infrastructure Inspection
The Washington Military Department intends to establish and award a contract for stormwater infrastructure inspections, cleaning, and repair at Camp Murray and the Seattle Readiness Center with an ini…
Gorge Powerhouse Crane Replacement
Project Description: The City of Seattle seeks Statements of Qualifications (SOQs) from qualified firms to provide Design-Build (DB) Services for the Gorge Powerhouse Crane Replacement Design-Build Pr…
PSC 4610 Cathodic Protection Inspection Services
Amendment 0001 - Answer Questions submitted from vendors by question deadline of 5pm PDT 9/29/2026 and adding Attachment 1 - Water Tower Drawings and Attachment 2 - Cathodic Protection O&M Manuel The …