King County

Track open bid opportunities, contracts, public meetings, and key contacts for King County.

Buyer type:: County
Location:: Seattle, WA
Country:: US

King County RFPs

Active opportunities open for bidding

RFP-Dye-Dilution Testing Services
Posted
Oct 9, 2026
Closes
Oct 30, 2026
King County seeks qualified suppliers to provide dye-dilution testing services for sewer flow meters and other applications. The work supports King County Wastewater Treatment Division's establishment of a lasting program to calibrate area-velocity flow meters and improve the accuracy of flow data used in planning, modeling, regulatory reporting, and operations. The scope is organized into two phases: 12 months of program initiation and 36 months of ongoing test validation.
Harborview Medical Center (HMC) Facility and Infrastructure Improvements Program - Make Ready Package 1a RFP
Posted
Oct 5, 2026
Closes
Oct 23, 2026
Make ready Package 1a Haul Road includes: Water management/treatment; earthwork/site preparation; asphalt paving; concrete paving/curbs; pavement markings; fences and gates; landscape; traffic signaling.
Engineering, Planning, and Design Services for RapidRide R Line
Posted
Oct 8, 2026
Closes
Nov 5, 2026
King County is soliciting engineering, planning, and design services for the RapidRide R Line under solicitation KC001764. The notice sets a 20% minimum participation requirement for King County Certified Small Contractor and Supplier firms, with estimated prices of $550,000 for Phase 1 and $11,000,000 for all phases. Proposals are due November 5, 2026, at 1:30 p.m. Pacific time.

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Buyer Attributes

Key metrics and characteristics

Census ID
Government ID for mapping buyers across datasets.
209716
Employee FTE
Full-time equivalent employees.
17,058
Population
Population size to gauge opportunity scale.
2,344,939
Procurement Hell Score
How easy their procurement process is to navigate. Lower is better.
44 / 100
Propensity to Spend
How likely this buyer is to spend on new technology based on operating budget trends.
CautiousAggressive
Higher is better Unlock
AI Adoption Score
How likely this buyer is to adopt new AI technologies.
ConservativeEarly Adopter
Higher is better Unlock
Startup Friendliness
How often this buyer champions startups and early adoption.
TraditionalStartup-Friendly
Higher is better Unlock
Latest Budget Year
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Operating Budget
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Includes fiscal year calendars, procurement complexity scores, and strategic insights.

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How to Sell to King County

Procurement guidance and navigation tips.

Procurement Hell Score
Lower scores indicate easier procurement. Created by Starbridge.
44 / 100
EasyLower is betterHellish
Quick Decision Flow
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- 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.
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Sole Source
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- 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.
Cooperatives
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- 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.
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King County Contracts

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ZTransform at King County
Effective: Mar 30, 2026Expires: Expiration 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: Expiration 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: Expiration 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: Expiration 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: Expiration 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

Metropolitan King County Council Meeting Minutes
Date: Oct 6, 2026Type: Meeting mention
The council conducted a meeting covering a wide range of administrative and legislative business. Key actions included recognizing the Seattle Owls Softball Team, presenting county service awards to employees from various divisions, and passing several ordinances via a consent agenda. These ordinances addressed the organization of the department of information technology, fee waivers for parks and recreation appeals, land exchanges, and appointments to the office of law enforcement oversight. Additionally, the council approved ordinances regarding sales and use tax, legislative branch agencies, collective bargaining agreements, and grant allocations. Motions were passed to confirm various board and commission appointments, including the Harborview Medical Center board of trustees and the transit advisory commission. The meeting also included the first reading and referral of several ordinances and motions concerning minimum wage rates, property tax levies, affordable housing developments, and budget appropriations.
King County Law and Justice Committee Meeting Minutes
Date: Oct 7, 2026Type: Meeting mention
The committee received briefings on the evaluation of juvenile recidivism data and juvenile diversion programs, as well as a report regarding the King County Superior Court's family law caseload and judicial resource needs. Additionally, the committee deferred discussion on the appointment of an at-large representative to the community advisory committee for law enforcement oversight and the acknowledgement of the Victim Support Service Improvement Plan.

Key Contacts

Public-sector contacts connected to King County.

Crina GhimpuAccountant

*******@************

+1 (***) ***-****

Kelsey CruseAccounting Division Director

*******@************

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King County

King County RFPs

RFP-Dye-Dilution Testing Services

Harborview Medical Center (HMC) Facility and Infrastructure Improvements Program - Make Ready Package 1a RFP

Engineering, Planning, and Design Services for RapidRide R Line

Buyer Attributes

Find best-fit RFPs — Then Nail the Response

How to Sell to King County

King County Contracts

ZTransform at King County

DRUMMOND KAHN at King County

TRANSPORTATION CHOICES COALITION at King County

KaseWare Inc at King County

Utter Associates at King County

Early Buyer Signals

Metropolitan King County Council Meeting Minutes

King County Law and Justice Committee Meeting Minutes

Key Contacts

Get your 10 highest-intent accounts

King County RFPs

RFP-Dye-Dilution Testing Services

Harborview Medical Center (HMC) Facility and Infrastructure Improvements Program - Make Ready Package 1a RFP

Engineering, Planning, and Design Services for RapidRide R Line

Buyer Attributes

Find best-fit RFPs — Then Nail the Response

How to Sell to King County

King County Contracts

ZTransform at King County

DRUMMOND KAHN at King County

TRANSPORTATION CHOICES COALITION at King County

KaseWare Inc at King County

Utter Associates at King County

Early Buyer Signals

Metropolitan King County Council Meeting Minutes

King County Law and Justice Committee Meeting Minutes

Key Contacts

Get full contract and spend data

Regional Water Quality Committee Meeting Minutes

Know what buyers discuss before RFPs drop

King County

King County RFPs

Buyer Attributes

Find best-fit RFPs — Then Nail the Response

How to Sell to King County

King County Contracts

ZTransform at King County

DRUMMOND KAHN at King County

TRANSPORTATION CHOICES COALITION at King County

KaseWare Inc at King County

Utter Associates at King County

Early Buyer Signals

Metropolitan King County Council Meeting Minutes

King County Law and Justice Committee Meeting Minutes

Key Contacts

Get your 10 highest-intent accounts

King County RFPs

Buyer Attributes

Find best-fit RFPs — Then Nail the Response

How to Sell to King County

King County Contracts

ZTransform at King County

DRUMMOND KAHN at King County

TRANSPORTATION CHOICES COALITION at King County

KaseWare Inc at King County

Utter Associates at King County

Early Buyer Signals

Metropolitan King County Council Meeting Minutes

King County Law and Justice Committee Meeting Minutes

Key Contacts

Get full contract and spend data

Regional Water Quality Committee Meeting Minutes

Know what buyers discuss before RFPs drop

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