Section 01

Massachusetts's retirement
tax landscape

Social Security is fully exempt. Pensions and retirement account withdrawals are fully taxable with no special exclusion.

Understanding how Massachusetts treats each type of retirement income is essential for planning your withdrawals, conversions, and Social Security timing. The interaction between state and federal taxes determines your true after-tax income each year.

💡
State and federal taxes are independent
Massachusetts calculates its own deductions and exemptions separately from the federal return. Income that falls below the federal standard deduction may still be taxable in Massachusetts, and vice versa. Plan for both independently.
Section 02

What's taxed
and what's not

Here's how Massachusetts treats the major types of retirement income.

TAX-FREE
Social Security

Fully exempt from state income tax.

TAXABLE
Traditional 401(k) / IRA

Fully taxable as ordinary income.

TAXABLE
Pension income

Fully taxable as ordinary income.

TAX-FREE
Roth 401(k) / IRA

Qualified distributions are fully exempt at both the state and federal level.

Section 03

Massachusetts's
tax rate

Massachusetts has a flat income tax rate of 5%. All taxable income above the standard deduction is taxed at this single rate. The standard deduction is $4,400 for single filers and $8,800 for married filing jointly.

A flat rate simplifies planning — there are no brackets to manage. Every additional dollar of retirement income is taxed at 5% regardless of how much you withdraw. The planning focus shifts to maximizing deductions and exemptions rather than staying within bracket thresholds.

📊
Flat rate: 5%

All taxable income above the standard deduction is taxed at this rate. No brackets to manage.

📊
Standard deduction

$4,400 single / $8,800 married filing jointly. Income below this threshold is tax-free.

Section 04

Strategies to reduce your
Massachusetts tax burden

Massachusetts's flat 5.00% rate means Roth conversions can avoid state tax on future withdrawals. Federal tax planning — withdrawal sequencing and SS timing — drives the primary savings opportunity.

Roth conversions before retirement. Converting traditional IRA balances to Roth during lower-income years means paying Massachusetts tax now at lower rates, then taking tax-free Roth withdrawals later. See the full Roth conversion strategy guide.

Withdrawal sequencing. The order you draw from different accounts each year matters. Drawing from taxable brokerage accounts before tapping tax-deferred accounts can keep your Massachusetts ordinary income lower. Read more in which accounts to withdraw from first.

Social Security timing. Optimizing when you claim Social Security affects both your federal and state tax picture. See when to start Social Security.

Section 05

Model your Massachusetts
retirement taxes

The interaction between Massachusetts's tax rules and federal taxes is too complex to estimate by hand. A year-by-year projection shows your actual tax burden for every year of retirement.

Drawdown Arc's projection engine includes Massachusetts's flat rate, standard deduction, and retirement income exemptions. Set your state to Massachusetts and enter your account balances, pension, and Social Security timing — the projection shows your Massachusetts state tax alongside federal tax for every year.

State tax modeling is a Pro feature. The free calculator shows your full federal tax projection — upgrade to Pro to add Massachusetts (or any of the 50 states) to your model.

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State taxes PRO

Related guides

Roth conversion strategy → Which accounts to withdraw from first → When to start Social Security →

See your retirement,
modeled

Year-by-year projections with real tax math. Free, private, no signup required.