Property Taxes

The 2022 Real Property Tax Bills are available online. The 2023 Mobile Home & Personal Property Tax Bills are available online.

There is a 3% convenience fee to pay by credit/debit cards. Payments made online must be received by 5 pm MST on November 30, 2021.

Pay Your County Taxes Online Search (

A convenience fee will be charged by Lake County for each tax receipt paid with a credit card in accordance with Montana Codes Annotated 7-6-617. This fee will be charged anytime a credit card is used when paying in person, by phone, or online.

Due Dates for Property Taxes

Please note: All dates are subject to change.

  • Real Estate Taxes: November 30th and May 31st
  • Mobile Home Taxes: May 31st and November 30th
  • Business Taxes: June 30th