Massachusetts Income Tax Brackets & Rates 2026

Massachusetts Income Tax Overview for 2026

Massachusetts (MA) imposes a flat income tax rate of 5% on all taxable income. Massachusetts uses a flat 5% rate on ordinary income. A 4% surtax applies to income over $1 million (the "millionaire tax").

For the 2026 tax year, Massachusetts residents must file both state and federal income tax returns. Your MA state tax is calculated on your state taxable income, which generally starts with your federal adjusted gross income (AGI) and applies state-specific adjustments and deductions. Massachusetts uses a personal exemption system rather than a standard deduction.

Your combined federal and MA effective tax rate depends on your total income, filing status, deductions, and credits.

SALT Deduction and Massachusetts Taxes in 2026

The State and Local Tax (SALT) deduction allows taxpayers who itemize on their federal return to deduct state and local taxes paid, including state income taxes and property taxes. Under the One Big Beautiful Bill Act (OBBBA), the SALT cap has been raised to $40,000 for the 2026 tax year, up from the $10,000 cap that was in place since 2018.

For Massachusetts residents, this is significant. With a top state rate of 5%, many MA taxpayers pay substantial state income taxes. Combined with property taxes, the $40,000 SALT cap provides meaningful relief compared to the previous $10,000 limit. Taxpayers should compare their total SALT amount against the $40,000 cap to determine whether itemizing benefits them over the standard deduction.

The $40,000 SALT cap applies to the combined total of state income taxes (or sales taxes if elected), local income taxes, and property taxes. This cap is the same regardless of filing status. Use our SALT Deduction Calculator to determine your optimal strategy.

How Federal Taxes Apply to Massachusetts Residents

All Massachusetts residents are subject to federal income tax, which uses seven progressive brackets for 2026: 10%, 12%, 22%, 24%, 32%, 35%, and 37%. The federal standard deduction is $16,100 for single filers and $32,200 for married filing jointly. Under the OBBBA, new provisions include tax-free overtime pay, tax-free tips for service workers, and an additional $4,000 deduction for seniors aged 65 and older.

Your total tax liability as a MA resident combines your federal tax obligation with your Massachusetts state tax plus FICA taxes (Social Security at 6.2% and Medicare at 1.45%). Self-employed individuals in Massachusetts owe both the employee and employer portions of FICA (15.3% total) but can deduct the employer portion. Use our Federal Income Tax Calculator to compute your exact federal liability.

Tax Planning Tips for Massachusetts Residents

• Evaluate itemizing vs. standard deduction: With the $40,000 SALT cap, MA residents with high state income and property taxes should compare their itemized deductions against the standard deduction each year.
• Maximize retirement contributions: Contributing to a 401(k) or traditional IRA reduces both your federal and Massachusetts taxable income, providing a double tax benefit.
• Consider HSA contributions: If eligible, an HSA provides triple tax savings: deductible contributions, tax-free growth, and tax-free withdrawals for medical expenses. The 2026 limit is $4,300 for individuals.
• Review withholding: Use your combined federal and state tax liability to ensure proper withholding, avoiding both underpayment penalties and excessive refunds.
• Track estimated payments: If you have self-employment income or significant investment income, make quarterly estimated payments to both the IRS and Massachusetts to avoid penalties.

Massachusetts vs. Other States: Tax Comparison

Compared to the national landscape, Massachusetts's top rate of 5% is near the national average. Some states have no income tax (FL, TX, NV), while others like California (12.3%) charge significantly more. When comparing states, consider the full tax picture including property taxes, sales taxes, and cost of living, not just income tax rates.

Massachusetts Tax Overview

Massachusetts imposes a flat 5% income tax on most income, plus a 4% surtax on annual income exceeding $1 million (the "Fair Share Amendment" or "millionaire tax" approved by voters in 2022). This brings the effective top rate to 9% for high earners. Short-term capital gains are taxed at 8.5%. Massachusetts also has a unique distinction of taxing interest and dividends at 5%, the same rate as earned income.

Massachusetts has a state sales tax rate of 6.25% and an average effective property tax rate of 1.15%. When combined with the income tax, these additional levies form the complete state tax picture that residents should evaluate. The Massachusetts tax authority (Massachusetts Department of Revenue) oversees all state tax administration and can be reached at (617) 887-6367 for questions about filing, payments, and account issues.

Understanding how Massachusetts's tax system interacts with federal taxes is critical for accurate financial planning. Your combined effective tax rate includes federal income tax (10% to 37%), Massachusetts state income tax, FICA taxes (7.65% for employees), and any applicable local taxes. Proper planning across all these layers can save thousands of dollars annually.

Massachusetts Tax Deductions and Credits

Massachusetts offers personal exemptions ($4,400 for single filers, $8,800 for married filing jointly) rather than a standard deduction. The state provides a dependent credit ($1,000 per dependent), a credit for children under 13 or disabled dependents, a commuter deduction for MBTA and commuter rail passes, a rental deduction (50% of rent paid, up to $3,000), and a lead paint removal credit. Social Security benefits are not taxed. The earned income tax credit is 40% of the federal EITC.

In addition to state-specific benefits, Massachusetts residents can take advantage of federal tax deductions and credits. For the 2026 tax year, key federal provisions include the standard deduction ($16,100 single, $32,200 married filing jointly), the child tax credit (up to $2,000 per qualifying child), the earned income tax credit for low-to-moderate income workers, and the $40,000 SALT deduction cap under the OBBBA. Massachusetts state income taxes are included in the SALT calculation, so residents paying significant state income tax should evaluate whether itemizing produces a larger deduction than the standard deduction.

Taxpayers should also explore retirement-related tax benefits available to Massachusetts residents. Contributions to 401(k) plans (up to $23,500 for 2026, plus $7,500 catch-up for age 50+) and traditional IRAs (up to $7,000, plus $1,000 catch-up) reduce both federal and state taxable income. Health Savings Account (HSA) contributions provide a triple tax benefit: tax-deductible contributions, tax-free growth, and tax-free withdrawals for medical expenses.

Tax Tips for Massachusetts Residents

Massachusetts requires quarterly estimated payments if you expect to owe more than $400. File electronically through MassTaxConnect for the fastest processing. If your income exceeds $1 million, plan for the additional 4% surtax and consider timing strategies for large one-time income events. Renters should claim the rental deduction of 50% of rent paid (up to $3,000). Commuters using public transit should save receipts for the MBTA pass deduction.

For the 2026 tax year, Massachusetts residents should also be aware of key provisions under the OBBBA. Overtime pay (beyond 40 hours per week) is exempt from federal income tax, tips earned by service workers are federally tax-free, and seniors age 65+ receive an additional $4,000 federal deduction. These provisions apply to MA residents regardless of state tax status and can significantly impact take-home pay and total tax liability.