205 W 5th Ave
Ellensburg, WA 98926-2887
Monday - Friday8 AM - 5 PM
Kittitas (pronounced 'kit-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.
Property tax collection for the current year cannot occur until the
certification of the roll by the Treasurer's office (with the exception of
personal property advance tax and long plat advance tax). At least one-half of the taxes due must be paid or
postmarked before April 30th to avoid interest and penalty charges. If the first half is paid
on schedule, the time for payment of the remainder is October 31st. Taxes in an amount less than fifty dollars
are to be paid in full by April 30th.
The Treasurer's Office accepts a maximum of two bank-rolled rolls of coin.
Make checks payable to the Kittitas County Treasurer. NSF checks will be
assessed a $35.00 fee per
**Convenience fee schedule (subject to change)
2.5% with a minimum of $3.95.
For payments larger than $100,000 call 1-888-889-7228.
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.