Clerk & Recorder
(406) 758-5526
Ownership Changes
- Deeds, reconveyance, and modifications
- Name changes
The Property Tax Office is responsible for administering and collecting property taxes for Flathead County. This includes preparing and mailing tax bills, processing payments, and coordinating with state and county departments to ensure accurate property valuation and tax distribution.
Property taxes are due in November and May. You can pay your full balance or make installment payments.
Example: If you sell your home in June 2025, the 2025 tax bill mailed in October may still reflect your name and mailing address.
Important: Failure to receive a tax statement does not remove your responsibility to pay property taxes. (MCA 15-15-101)
Property taxes may follow different billing timelines depending on the type of property. The chart below provides a general overview to help you understand what to expect.
(Land & Buildings)
This is the most common property tax schedule for homeowners.
Mobile homes are processed later in the year, so billing occurs in spring.
(Business Equipment, etc.)
Business-related property may follow different rules depending on classification.
Note: If a due date falls on a weekend or holiday, payments are due the next business day.
For specific questions about your property, please contact the Flathead County Property Tax Office at (406) 758-5680.
Property taxes move through several county and state offices before bills are mailed and payments are collected. This process spans more than one calendar year, so the tax year and payment dates do not always fall in the same year.
(406) 758-5526
Ownership Changes
(406) 758-5510
Boundary / Address Assignment
(406) 758-5700
Determine Taxable Value
(406) 758-5680
Billing and Collection
Real property is used as the example below. Tax bills reflect ownership information as of January 1 of the tax year.
Ownership and mailing information are pulled for the tax year.
Initial and final real property information downloads are prepared.
Real property tax bills are distributed.
First-half payment is due for all property types.
Final mobile home data is prepared and bills are distributed in April.
Second-half payment is due for all property types.
If a property is sold after January 1, the tax bill for that tax year may still reflect the prior owner. Delinquent taxes accrue interest at 5/6 of 1% per month plus a 2% one-time penalty.

290 A North Main
Kalispell, MT 59901
Page Last Updated: Apr 22, 2026