Ma Millionaires Tax 2025. On tuesday, voters in massachusetts voted yes on ballot question 1, approving the imposition of a 4 percent surtax on massachusetts taxpayers with a net income in excess. Through a constitutional amendment effective january 1, 2023, known as the fair share amendment, the tax rate on ma.
Check out our blog, āmillionaires taxā approved in massachusetts. The new massachusetts āmillionaires taxā imposes an additional 4% income tax on the portion of annual taxable income in excess of $1 million (indexed for inflation), starting.