Mass Tax Brackets 2025. But new for the 2024 filing season, an additional 4% tax on 2023 income over $1 million will be levied, making the highest tax rate in. The tax tables below include the tax rates, thresholds and allowances included in the massachusetts tax calculator 2025.
The massachusetts tax calculator is for the 2025 tax year which means you can use it for estimating your 2026 tax return in massachusetts, the calculator allows you to calculate income tax and payroll taxes and deductions in massachusetts. The tax tables below include the tax rates, thresholds and allowances included in the massachusetts tax calculator 2025.