Massachusetts variant. This is a Massachusetts-specific version of the Stock Sale Capital Gains Tax Estimator, using pre-defined local figures (tax rates, median home and income values, and typical regional costs). For the full formula, methodology, and FAQ, open the main Stock Sale Capital Gains Tax Estimator.
Most states tax capital gains as ordinary income. In Massachusetts, that means a top rate of 9% on gains.
Capital gains tax in Massachusetts
Federally, long-term gains are taxed at 0%, 15%, or 20% depending on income, plus a possible 3.8% net investment income tax. Massachusetts then taxes the same gains as ordinary income at up to 9%.
Short-term gains (assets held under a year) are taxed as ordinary income at both levels - usually the most expensive outcome.
About taxes and housing in Massachusetts
Massachusetts applies a flat income tax with an additional surtax on income above one million dollars dedicated to education and transportation.
Massachusetts property taxes are near the national average, but high home values make the dollar amounts among the steepest in the country.
Massachusetts's economy is powered by higher education, biotechnology, healthcare, and finance, anchored by the Greater Boston area.
Worked example: $50,000 long-term gain
A $50,000 long-term gain: federal 15% = $7,500, plus Massachusetts state tax up to 9% = $4,500, for a combined bill near $12,000.
Quick reference
- State income tax: Flat 5%, plus 4% surtax over $1M
- State sales tax: 6.25% (plus 0.00% avg local)
- Median home value: $605,000
- Median household income: $96,505
- Effective property tax rate: 1.04%
- Avg auto insurance: $1,389/yr
Frequently Asked Questions
Does Massachusetts tax capital gains?
Yes - Massachusetts taxes capital gains as ordinary income at up to 9%.
What's the difference between short and long-term gains?
Assets held over a year get preferential long-term federal rates (0/15/20%); shorter holds are taxed as ordinary income.