2026 Property Tax Due Dates
County-specificNovember 30
First installment due
May 31
Second installment due (following year)
Liberty County Treasurer
Treasurer
Sharlys Davis
Phone
406-759-5455Fax
406-759-5395
Mailing Address
PO Box 685
Chester, MT 59522
Office Hours
How to Pay
Online
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By Mail
Mail check payable to Liberty County Treasurer — PO Box 685, Chester MT 59522
In Person
Visit the Treasurer's office — 111 1st St. East, Chester MT 59522, Mon-Fri 8am - 5pm
About Property Taxes in Montana
Montana property taxes are administered at the county level. The state Department of Revenue appraises property at market value and applies a class rate to determine the taxable value. Residential property is appraised at market value, and the taxable value equals a percentage of that (the residential class rate is set by the state legislature and has been reduced in recent years to around 1.35% of market value — meaning a $300,000 home has a taxable value of approximately $4,050). Montana has no sales tax, so property taxes are an important revenue source for local governments and schools. Tax bills are mailed in the fall and split into two payments.
Payment & Assessment
Montana property taxes are paid in two equal installments: First half: Due November 30 Second half: Due May 31 of the following year A 2% penalty per month (up to 10%) applies to late payments. Most counties offer online payment through the county treasurer's website. Contact your county treasurer for available payment options.
Statewide framework for Montana. Your county's specific rates and deadlines are shown above.
Other Counties in Montana
About Liberty County
Liberty County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 1,959. Its county seat is Chester. The decision to separate the future Liberty County area from the previous Hill and Chouteau counties was carried in a 1919 vote; the organization was authorized to commence in the following February.
Source: Wikipedia — content available under CC BY-SA 4.0
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.