Property Taxes in Montana: Rates, Exemptions, and How They Work (2026)
TL;DR
Montana property taxes are administered by the state Department of Revenue, which reappraises property every 2 years. Property is classified into categories with different taxable percentages (residential is approximately 1.35% of market value). Montana has no state sales tax, making property taxes a significant revenue source. The average effective rate is about 0.74%. The Property Tax Assistance Program (PTAP) provides relief for lower-income homeowners. Appeal to the County Tax Appeal Board within 30 days of the classification and appraisal notice.
Classification System
Montana classifies property and applies different percentages to determine taxable value:
| Class | Property Type | Taxable Percentage |
|---|---|---|
| 4 | Residential (first $300,000) | 1.35% |
| 4 | Residential (over $300,000) | Slightly higher rate |
| 4 | Commercial | 1.89% |
| 3 | Agricultural | Based on productivity value |
Exemptions and Relief
| Program | Benefit | Who Qualifies |
|---|---|---|
| PTAP | Reduced tax rate | Homeowners with income under $48,432 (adjusted annually) |
| Disabled Veterans | Full or partial exemption | 100% disabled veterans |
Appeal
- County Tax Appeal Board (CTAB): File within 30 days of classification/appraisal notice
- State Tax Appeal Board (STAB): Appeal within 30 days of CTAB decision
- District Court: Judicial review
Check your Montana assessment with our free property tax analyzer.
Frequently Asked Questions
What should I know about property taxes in montana: rates, exemptions, and how they work (2026)?
Montana property taxes are administered by the state Department of Revenue, which reappraises property every 2 years. Property is classified into categories with different taxable percentages (residential is approximately 1.35% of market value). Montana has no state sales tax, making property taxes a significant revenue source.
What should I know about classification system?
Montana classifies property and applies different percentages to determine taxable value:
What should I know about appeal?
Check your Montana assessment with our free property tax analyzer.