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.
Welcome to eFile, the Kittitas County web-based Personal Property Filing System. This system allows businesses to electronically file Personal Property Tax Listings to the Kittitas County Assessor’s Office.Our website to file your personal property return online eFiling is fast, convenient and secure. It minimizes input errors and reduces costs for both the business owner and Kittitas County.
Businesses that file a paper asset listing are required to use the asset listings provided by Kittitas County. If filing electronically, do not submit a paper copy. Paper filings can be sent to personalproperty@co.kittitas.wa.us, mailed or submitted in person at: Kittitas County Assessor 205 W 5th AVE Suite 101 Ellensburg WA 98926 Personal Property Tax Listing Forms are due into the Assessor’s Office by April 30th to avoid late filing penalties.