Montana Property Appraisers & Tax Directory
Directory of all 56 counties in Montana. Access local property valuation administrators, parcel search GIS maps, and tax appeal boards.
County Property Tax Calculator
Estimated using County's effective tax rate of 0.74% (Assessment ratio: 1.35%)
Montana County Assessors Directory
Select your county to view the local property appraiser office and parcel search portal.
Beaverhead County
Seat: Dillon
Big Horn County
Seat: Hardin
Blaine County
Seat: Chinook
Broadwater County
Seat: Townsend
Carbon County
Seat: Red Lodge
Carter County
Seat: Ekalaka
Cascade County
Seat: Great Falls
Chouteau County
Seat: Fort Benton
Custer County
Seat: Miles
Daniels County
Seat: Scobey
Dawson County
Seat: Glendive
Deer Lodge County
Seat: Anaconda
Fallon County
Seat: Baker
Fergus County
Seat: Lewistown
Flathead County
Seat: Kalispell
Gallatin County
Seat: Bozeman
Garfield County
Seat: Jordan
Glacier County
Seat: Cut Bank
Golden Valley County
Seat: Ryegate
Granite County
Seat: Philipsburg
Hill County
Seat: Havre
Jefferson County
Seat: Boulder
Judith Basin County
Seat: Stanford
Lake County
Seat: Polson
Lewis and Clark County
Seat: Helena
Liberty County
Seat: Chester
Lincoln County
Seat: Libby
McCone County
Seat: Circle
Madison County
Seat: Virginia
Meagher County
Seat: White Sulphur Springs
Mineral County
Seat: Superior
Missoula County
Seat: Missoula
Musselshell County
Seat: Roundup
Park County
Seat: Livingston
Petroleum County
Seat: Winnett
Phillips County
Seat: Malta
Pondera County
Seat: Conrad
Powder River County
Seat: Broadus
Powell County
Seat: Deer Lodge
Prairie County
Seat: Terry
Ravalli County
Seat: Hamilton
Richland County
Seat: Sidney
Roosevelt County
Seat: Wolf Point
Rosebud County
Seat: Forsyth
Sanders County
Seat: Thompson Falls
Sheridan County
Seat: Plentywood
Silver Bow County
Seat: Butte
Stillwater County
Seat: Columbus
Sweet Grass County
Seat: Big Timber
Teton County
Seat: Choteau
Toole County
Seat: Shelby
Treasure County
Seat: Hysham
Valley County
Seat: Glasgow
Wheatland County
Seat: Harlowton
Wibaux County
Seat: Wibaux
Yellowstone County
Seat: Billings
Montana Property Tax Laws & Rules
Property Tax Assistance Program (PTAP) reduces property tax rates for low-to-moderate income homeowners by 30% to 80%.
Disabled Veterans Property Tax Assistance Program (MDV) reduces taxes by 50% to 100% for 100% disabled veterans based on income.
Within 30 days of the date on the Property Classification and Appraisal Notice.
Appeals are filed before the: County Tax Appeal Board (CTAB).
Frequently Asked Questions
What is the average property tax rate in Montana?
The average effective property tax rate in Montana is approximately 0.74%. Actual tax bills depend on your county, municipality, and local school district levies.
How are properties assessed in Montana?
Under Montana law, properties are assessed at a statutory assessment ratio of 1.35% of fair market value by the local Department of Revenue - Local County Appraisal Office.
When is the deadline to appeal property taxes in Montana?
In Montana, property valuation appeals must generally be filed by: Within 30 days of the date on the Property Classification and Appraisal Notice. Appeals are heard by the local County Tax Appeal Board (CTAB).
What homestead exemptions are available in Montana?
Property Tax Assistance Program (PTAP) reduces property tax rates for low-to-moderate income homeowners by 30% to 80%.
State Tax Authority
Agency: Montana Department of Revenue
Visit Official State Tax Agency