Property Assessment

Deadline Extended: Applications for the Homestead & Long-term Rental Reduced Property Tax Rate must now be submitted by March 20, 2026.

Learn More

Understanding Your Property Appraisal Notice Information on how the department classified and valued your property for assessment and tax billing.

Tax Info

Property Tax Hub Learn about changes to property taxes in 2025 and 2026, including details for homesteads and long-term rentals.

Categories & Resources

Property Appraisal Resources

• 2023 County and Statewide Tax Base and Tax Distribution Information
• 2024 Property Tax Townhall Recording
• Agricultural Land Valuation Committee
• Annual Property Tax Changes
• Certified Property Values and Mill Levies
• A Day In the Life of a Residential Appraiser
• Field Office Locations
• Forest Land Taxation Advisory Committee
• Forms
• Land Classification Working Group
• Personal Property Depreciation Schedules and Trend Tables
• Property Appraisal Notices
• Property Classifications and Class Codes
• Property Informal Review and Formal Appeal Process
• Property Inspections
• Property Inspections (downloadable PDF)
• Property.MT.gov
• Property Reappraisal Plan and Manuals
• Realty Transfer Certificates
• Report Your Property's Characteristics Online
• Special Mobile Equipment Permits
• Tax Increment Financing (TIF) Districts

Property Tax Changes

Visit our Property Tax Hub to learn all about the upcoming changes to Montana's property tax system.

Homesteads & Long-Term Rentals

• Information for Homesteads and Long-Term Rentals
• Verify Your Homestead

Frequently Asked Questions

• Homestead FAQs
• Long-term Rental FAQs

Tax Changes by Year

• 2025 Property Tax Changes
• 2026 Property Tax Changes

Property Types

• Agricultural Land
• Centrally Assessed Property
• Commercial Property
• Forest Land
• Industrial Property
• Livestock Reporting and Per Capita Fee Payments
• Report Livestock
• Mobile and Manufactured Homes
• Property Classifications and Class Codes
• Personal Property
• Residential Property

Property Tax Abatements and Exemptions

• Abandoned Mobile Home Tax Exemption
• Agricultural Processing Facilities Exemption
• Air or Water Pollution Control and Carbon Capture Equipment Certification Application  - Form CAB-2 (PDF)
• Ammunition Manufacturing Tax Exemption
• Application for Separate Assessment of Undivided Interest in Mining Claim Property - Form AB-8 (PDF)
• Fiber Optic or Coaxial Cable Exemption
• Historic Property Tax Abatement
• Local Economic Development Organizations Property Tax Exemptions
• New or Expanding Industry Property Tax Abatement
• Pollution Control Equipment Property Tax Abatement
• Property Tax Abatement Application for Manufacturing Machinery, Fixtures, and Equipment
• Property Tax Exemption Application
• Property Tax Exemption Application for Installation of an Alternative Energy System - Form AB-14 (PDF)
• Property Tax Exemptions – Documentation Requirements
• Purchase Incentive Rental Agreement Reporting Form - Form PIRA (PDF)
• Reduced Property Tax Rate for Remodeling Buildings or Structures
• Remodeled or Expanded Commercial Property Tax Exemption
• Tax Exempt Property
• Temporary Exemption for Residential Subdivision Development Application (PDF)
• Temporary Tribal Tax Exemption
• Termination of New or Expanding Industry Property Tax Abatement (PDF)

Property Tax Relief, Assistance, and Reduction Programs

• Property Tax Assistance Hub
• Disabled First Responder Property Tax Relief Application (Form DFR)
• Land Value Property Tax Assistance Program (LVPTAP)
• Montana Disabled Veteran Assistance Program (MDV)
• Montana Elderly Homeowner/Renter Credit
• Natural Disaster Forest Land Reduction
• Natural Disaster Property Tax Reduction
• Property Tax Assistance Program (PTAP)

Unclaimed Property

Unclaimed property is money or items that someone has left in places like banks or companies without moving it or checking on it for a long time. Examples include bank accounts, wage and payroll checks, gift cards, stocks and bonds, refunds, insurance payments, dividends, safety deposit box contents and more.

Unclaimed property does not include land or real estate of any kind.

• Unclaimed Property Portal
• Search for Your Unclaimed Property
• Report Unclaimed Property
• Heirship Claims

The Property Assessment Division values all taxable property at 100 percent of market value. Property taxable values determined by the department are used by the county governments to calculate property taxes.

Top Links

• Homestead and Long-term Rental Property Tax Relief
• Property.MT.gov - Find information about a property
• Property Informal Review and Formal Appeal Process

Property Tax and Appraisal Resources

• Report Your Property’s Characteristics Online
• How to Sign Up For an Okta Account
• Understanding Your Property Appraisal Notice
• Property Informal Review and Formal Appeal Process
• 2025 Certified Property Taxable Values
• Property Reappraisal Plan and Valuation Manuals
• Levy District and Exemption Maps
• 2023 Median Property Value Changes

Recent News & Updates

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