205 W 5th Ave
Ellensburg, WA 98926-2887
Monday - Friday
8 AM - 5 PM
Kittitas (pronounced 'KITT-i-tass') County is located in central Washington
State. It spans from the lush forested Cascade Mountains to the upper Yakima River Valley plains and
the Columbia River.
The Uniform Unclaimed Property Act governs the manner in which we attempt to contact anyone with an
uncashed Treasurer’s check, reissue lost Treasurer’s checks and remit unclaimed monies to the State
for posting as unclaimed property. RCW 63.29
Every November 1, the County Treasurer must remit all outstanding monies for checks not cashed two or more years
prior to the reporting date to the Department of Revenue as Unclaimed Property. Until this time of remittance,
the payees on the attached list still have outstanding monies with Kittitas County that can be claimed
from the Treasurer’s Office.
Unclaimed Property as of 10.27.2021
Application for Duplicate Instrument Affidavit
Outstanding monies for uncashed checks more than two years in the past have been remitted to the Department
of Revenue. The Department of Revenue is the custodian for unclaimed property, and it administers an
Unclaimed Property program to seek the rightful owners.
Washington State Department of Revenue Unclaimed Property
Kittitas County has a total area of 2,333 square miles. The highest point in the county is Mount Daniel at 7,959 feet above sea level.