View additional resources from King County, Washington, including our contact information, MSRB EMMA® Links, Frequently Asked Questions, and Commercial Paper Program.

Frequently Asked Questions

Looking for more information about us and our bond programs? Get answers to common questions by following the link below.

View FAQ

Contact Us

Still have questions? You can reach us by mail, phone, or email.

Mailing Address

King County Treasury Operations, 201 S. Jackson St., Suite 710

Seattle, WA 98104

Phone: (206) 263-2857

Email us

Commercial Paper Program

Limited Tax General Obligation Notes

(Payable from Sewer Revenues) (Commercial Paper)

Not to Exceed $250,000,000

Series A (Tax Exempt), Series B (Taxable)

Purpose: The County may use the proceeds of the Notes for any capital purpose of the Sewer System, including refunding certain outstanding debt of the Sewer System, including outstanding Notes.

Amount Currently Outstanding for Series A (Tax-Exempt) (as of January 31, 2024): $198,600,000

Amount Currently Outstanding for Series B (Taxable) (as of January 31, 2024): $0


Commercial Paper Offering Memorandum

Voluntary Notice of Potential Refunding -- LTGO Notes (Payable from Sewer Revs) (Commercial Paper)

King County Commercial Paper Program Activity

Ordinance 19114

Ordinance 18898

Motion 15771

King County Liquidation Procedures for CP Program

Mode Agreement (King County Issuing and Paying Agent Agreement)

King County Investment Pool Portfolio Review: Quarter ended December 31, 2023

Investment Policy


Moody's Rating Report (P-1)

S&P Global Rating Report (A-1+)


BofA Securities, Inc.

One Bryant Park, Third Floor

New York, New York 10036

Attention: Tax Exempt Money Market Desk

Telephone: 212-449-5544

Facsimile: 646-736-6960


View Commercial Paper Program