NOTICE: We have been notified by our printer that they inadvertently sent duplicate statements to some of our taxpayers. If you have received a duplicate notice, please accept our apologies for the inconvenience.


If you have recently received a reminder notice for property taxes, please mail your payment to:

Kootenai County Treasurer
Po Box 220 
Caldwell, ID 83606

   Our online payment process has changed.

Our payment processing vendor recommends you use either Google Chrome, Internet Explorer or Microsoft Edge when making your payment. If  you are using an Apple Product you will need the Bureau Code of 7057495.  Please read the instructions carefully and have your parcel number and the amount due available before you go to the website to make your payment. It could take up to 10 days for your payment to appear on our website.

*You may access 2021 Levy Rates here. (PDF)

Steve Matheson

Steve Matheson is your Kootenai County Treasurer. He was elected as Treasurer on November 4, 2014. One of the primary goals of the Treasurer's office is to continue to enhance the excellent customer service that has been established.

Primary Functions

The Treasurer's office has 3 primary functions for Kootenai County. They are:

  • Treasurer: The responsibility as a Treasurer is to ensure all monies received by Kootenai County are deposited and accounted for in a timely manner. The Treasurer is also responsible for investing idle funds and ensuring there is adequate money available to meet the county's financial obligations.
  • Tax Collector: As the tax collector, it is the Treasurer's responsibility to collect the taxes on real and personal property, on harvested timber, and the certification of special assessments for water districts, fire protection districts, and local improvement districts.
  • Public Administrator:The Treasurer is also appointed as the Public Administrator in the following situations:
    • Estates ordered because the State of Idaho is the heir
    • The estates where there is no known heir
    • For the estates where no personal representative is appointed