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Montana Capital Gains Tax Calculator โ€” Updated 2026

State abbreviation: MT

Capital gains taxes in Montana depend on federal rates plus your state rate of 6.84%. This affects how you plan property sales, stock dispositions, and investment strategies. Long-term capital gains (>1 year hold) are taxed at 0%, 15%, or 20% federally, plus your state tax if applicable.

Montana Financial Data (2026)

State Tax Rate
6.84%
Property Tax Rate
0.84%
Median Home Price
$475,000
Avg Insurance Cost
$1,320/year
Cost of Living Index
104
State Abbreviation
MT