What types of projects does Cowlitz County frequently solicit?

Cowlitz County focuses heavily on infrastructure maintenance, including countywide pavement striping and overlay projects, as well as specialized environmental engineering for landfill flare systems and utility material procurement.

How can vendors stay updated on upcoming Cowlitz County bids?

Vendors should monitor the Cowlitz County Public Works department portal and the county's official procurement page, as most solicitations are tied to specific capital improvement plans for roads and waste management.

Are there specific requirements for bidding on Cowlitz County public works?

Contractors must typically meet Washington State Department of Transportation (WSDOT) standards for road work and provide proof of appropriate contractor registration and bonding to qualify for civil construction bids.

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Cowlitz County Government Contracts

221 opportunities are tied to Cowlitz County, Washington. The page keeps the state hierarchy visible while previewing the latest 10 local contracts.

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221

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Washington

About Cowlitz County government contracting

Cowlitz County procures specialized materials and construction services to maintain its regional infrastructure, including pavement preservation, landfill environmental controls, and utility piping systems. Vendors specializing in heavy civil engineering, industrial equipment supply, and specialized geomembrane installation are primary competitors for these public works contracts.

Latest opportunities

Previewing the latest 10 opportunities for Cowlitz County.

Cowlitz County

Shadow Mountain Water System Project (Water Main and Booster Pump Station)

Archived

AI Summary

RFP for construction of water mains and booster pump station including mechanical, electrical, and control installations in Cowlitz County, WA.

Cowlitz County · Washington

Posted Sep 3, 2026Due Sep 28, 2026bidNAICS 237110Sol: 496

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Cowlitz County

RFQ - On Call Environmental Services

Archived

AI Summary

Cowlitz County seeks qualified consultants for on-call environmental services including analysis, permitting, surveys, wetland and stream identification, and biological assessments to support County projects. Responses due by September 30, 2026.

Cowlitz County · Washington

Posted Sep 2, 2026Due Sep 30, 2026rfqNAICS 541620Sol: 495

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Cowlitz County

Westside Highway Slide Repair Project

Archived

AI Summary

Cowlitz County seeks contractors for the Westside Highway Slide Repair Project involving excavation, retaining wall installation, drainage, asphalt paving, and traffic control. Proposals due by September 14, 2026. Project starts August 20, 2026.

Cowlitz County · Washington

Posted Aug 20, 2026Due Sep 14, 2026bidNAICS 237310Sol: 492

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Cowlitz County

Shadow Mountain Pump Station

Archived

AI Summary

Cowlitz County seeks a supplier for a packaged potable booster pump station including pumps, controls, and all necessary components for the Shadow Mountain Pump Station.

Cowlitz County · Washington

Posted Aug 20, 2026Due Sep 8, 2026bidNAICS 333911Sol: 493

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Cowlitz County

Mobile Heavy Equipment Maintenance & Repair Services

Archived

AI Summary

Cowlitz County seeks proposals for on-site maintenance, diagnostics, repairs, and emergency services for heavy equipment at the county landfill.

Cowlitz County · Washington

Posted Aug 18, 2026Due Sep 10, 2026bidNAICS 811310Sol: 494

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Cowlitz County

Request for Qualifications - Geomorphic Assessment

Archived

AI Summary

Cowlitz County seeks qualified firms for a geomorphic assessment of the lower Toutle and Cowlitz rivers to support watershed planning, sediment management, floodplain planning, and habitat restoration. Submissions due by August 19, 2026. Project completion by May 31, 2027.

Cowlitz County · Washington

Posted Jul 28, 2026Due Aug 19, 2026rfqNAICS 541620Sol: 488

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Cowlitz County

Scrim Reinforced Polyethylene Geomembranes

Archived

AI Summary

Cowlitz County seeks bids for the purchase of 28 scrim reinforced polyethylene geomembranes, each 100x200 feet, with bids due by August 17, 2026, at 1:30 PM local time. Bids will be publicly opened and accessible via Zoom.

Cowlitz County · Washington

Posted Jul 28, 2026Due Aug 17, 2026bidNAICS 326199Sol: 489

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Cowlitz County

High Density Polyethylene Pipe

Archived

AI Summary

Cowlitz County seeks sealed bids for the purchase of High-Density Polyethylene Pipe. Bids are due by 1:30 PM on August 17, 2026, and will be publicly opened with virtual access available via Zoom.

Cowlitz County · Washington

Posted Jul 28, 2026Due Aug 17, 2026bidNAICS 326122Sol: 490

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Cowlitz County

CONSOLIDATE DIKING DISTRICT NO. 3 - PIPE INSPECTION PORTS PROJECT

Archived

AI Summary

Cowlitz County seeks bids for the Stormwater Pump Stations Discharge Pipeline Inspection Ports Project under Consolidated Diking Improvement District #3. Bids due by July 30, 2026.

Cowlitz County · Washington

Posted Jul 14, 2026Due Jul 30, 2026bidNAICS 237110Sol: 487

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Cowlitz County

RFQ Mill Creek Bridge #1 Replacement Project

Archived

AI Summary

Cowlitz County seeks a consultant for engineering design and permitting services to replace Mill Creek Bridge #1, including structural, civil, geotechnical, and environmental work, plus bank restoration and road approach reconstruction.

Cowlitz County · Washington

Posted Jul 8, 2026Due Aug 27, 2026rfqNAICS 237310Sol: 491

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