The work of this contract includes but is not limited to: obtain all permits necessary to perform the work, furnish and installation of me reactor and platform foundation slab and stairway foundation slab, including all required anchoring, furnish and installation of pilot-scale me treatment system equipment, interconnecting piping and valves, and instrumentation, furnish initial bulk chemicals and media, installation of site utility hookups to existing onsite power, including underground and above-grade connection points for the pilot system and associated installations, hydrostatic and leak testing, pre-commissioning, commissioning, inspections, and final system testing.
King County Parks seeks construction of a 0.65-mile interim gravel segment of the Eastrail in Bellevue’s Wilburton neighborhood, connecting the NE 8th Street pedestrian bridge and Central Wilburton Sound Transit station with the Wilburton Trestle. Work includes removing existing rails and ties, building the gravel trail, and improving the SE 1st Street crossing with a painted crossing, signal, and signage. The project is intended to meet King County interim-use standards and later be developed as a paved trail; the project schedule calls for construction in 2026–2027.
Sole Source:If sale is less than $50,000, use sole source.
Coops:Frequently procures through OMNIA Partners and NASPO ValuePoint; you can gain access through the Starbridge reseller & contract-vehicle platform — reach out to your Starbridge contact to pursue onboarding.
Agency-specific vendor registration, compliance steps, and approval routing shape the purchasing timeline.
Unlock detailed thresholds, contracting paths, payment terms, and vendor benchmarks for this buyer.
King County, WA strongly prefers competition. Formal bidding threshold: $50,000; there’s little evidence of sole source approvals above this level. Practical guidance: Do not invest time in a sole source justification—move directly to a cooperative purchasing path.
Agency-specific vendor registration, compliance steps, and approval routing shape the purchasing timeline.
Unlock detailed thresholds, contracting paths, payment terms, and vendor benchmarks for this buyer.
King County has used cooperative purchasing before. Reach out to your Starbridge contact through the Starbridge reseller & contract-vehicle platform to get onboarded to the recommended path.
Recommended (accessible through Starbridge):
Agency-specific vendor registration, compliance steps, and approval routing shape the purchasing timeline.
Unlock detailed thresholds, contracting paths, payment terms, and vendor benchmarks for this buyer.
Full playbooks include agency-specific workflows, thresholds, and vendor benchmarks.
King County Contracts
Track vendor wins and renewal opportunities
ZTransform at King County
Effective: Mar 30, 2026Expires: Sep 30, 2026Expiration date locked.
This document is an amendment to Contract No. 6396238 (SR-0000193906) between King County and ZTransform. The primary purpose of this amendment is to increase the total contract amount from $182,000 to $277,000. The amendment became effective on March 30, 2026, upon signing by King County, with all other original contract provisions remaining unchanged.
DRUMMOND KAHN at King County
Effective: Nov 13, 2025Expires: Sep 30, 2026Expiration date locked.
This contract details an agreement for Drummond Kahn to provide a half-day training program titled "Audigators --- Synergy Between Auditors and Investigators" to the King County Auditor's Office on November 13, 2025. The total compensation for these services is explicitly set at $3,500.
TRANSPORTATION CHOICES COALITION at King County
Effective: Sep 2, 2025Expires: Sep 30, 2026Expiration date locked.
This document is an invoice (TCCMOU001) dated October 23, 2025, from Transportation Choices Coalition to King County Office of Law Enforcement Oversight for MOU work performed during September and October 2025. Services include discussions on SharePoint access, council presentation participation, and invoice procedures, along with administrative tasks, totaling $225.
KaseWare Inc at King County
Effective: Dec 12, 2025Expires: Sep 30, 2026Expiration date locked.
This document is an invoice (INV-40220) from Kaseware Inc. to King County - Office of Law Enforcement Oversight for 'Kaseware Insights' services. The invoice covers the period from 2025-12-12 to 2026-12-11, with a total amount due of $36,812.76, inclusive of sales tax. The invoice references Contract 6522899 and has a due date of 2025-12-06.
Utter Associates at King County
Effective: Dec 11, 2025Expires: Sep 30, 2026Expiration date locked.
This document is an invoice (PO#6618547, Invoice #5441) from Utter Associates, Inc. dba ZTransform to King County, dated December 11, 2025. It details the provision of a 5-year extended warranty for Panasonic Pro AV equipment and CAD design and administration services. The total amount due for these services is USD 3,783.14.
Early Buyer Signals
Board meetings and strategic plans from King County
Regional Water Quality Committee Meeting Minutes
Date: Sep 2, 2026Type: Meeting mention
The committee meeting included a presentation by the Director of the Wastewater Treatment Division regarding the Sewer Rate and Capital Work Plan aimed at improving engagement and transparency. The committee also held briefings on the Vision for Clean Water 2100 project and received an initial analysis of policy questions concerning the level of treatment as part of the Regional Wastewater Services Plan Update. Additionally, the committee received updates on the 2026 work program.
King County Government Accountability and Oversight Committee Special Meeting
Date: Sep 28, 2026Type: Meeting mention
The committee discussed and acted upon several items, including a proposed ordinance relating to the structure and division responsibilities of the department of elections, which was recommended to pass. Additionally, a motion confirming an appointment to the King County board of appeals and equalization was recommended to pass, while a motion regarding an appointment to the board of ethics was deferred. The committee also received a briefing on the King County Auditor's report concerning the stormwater fee structure, oversight, and spending strategy.
The committee received a briefing on King County's energy resilience involving representatives from BPA, PSE, Seattle City Light, and the King County Department of Natural Resources and Parks. Additionally, the committee recommended the passage of a motion acknowledging receipt of the 2025 health through housing annual report. A further briefing was provided regarding the Best Starts for Kids 2025 annual report.
Extracted from official board minutes, strategic plans, and video transcripts.
Meeting signals
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Track King County meetings, strategic plans, and budget discussions before the public bid appears.
