Massachusetts Estate Tax Guide

Massachusetts runs its own estate tax, and the line sits far below the federal one. For a death on or after January 1, 2023, no Massachusetts estate tax is due if the federal taxable estate is $2,000,000 or less (M.G.L. c. 65C, § 2A(g)). Above that, the personal representative files Form M-706 within 9 months. Massachusetts charges no inheritance tax.

This guide covers what the $2,000,000 figure actually does, how the $99,600 credit changes the math on a larger estate, when Form M-706 is required, how the 10-year estate tax lien blocks a house sale, and where the federal Form 706 fits.

Does Massachusetts Have an Estate Tax? Yes

M.G.L. c. 65C, § 2A(a) taxes the transfer of the estate of anyone who dies a Massachusetts resident. Section 2A(b) reaches a nonresident too, taxing real property sitting in the Commonwealth and tangible personal property with an actual situs here.

The amount is unusual. Massachusetts does not write its own rate table. Instead the tax equals the old federal credit for state death taxes that would have been allowed under Internal Revenue Code § 2011, frozen at the December 31, 2000 version of the Code (M.G.L. c. 65C, § 2A(a) and § 2A(e)). The Department of Revenue reports the result as marginal rates running from 0.8 percent to 16 percent.

That freeze has a consequence worth holding onto: every federal estate tax change since December 31, 2000 leaves the Massachusetts tax untouched. DOR says so plainly in its estate tax guide. The federal exclusion is $15,000,000 for 2026 deaths while the Massachusetts line has stayed at $2,000,000.

Check a specific estate against the $2,000,000 line with the Massachusetts estate tax calculator. It tells you whether an estate is over the threshold rather than computing the dollar figure, because the amount runs off the section 2011 credit table and turns on the deductions in the return.

The $2,000,000 Figure Is a No-Tax Point, Not an Exemption

This is where most pages get Massachusetts wrong, and the error always favors the reader in the wrong direction.

Two separate provisions do two separate jobs:

• M.G.L. c. 65C, § 2A(g) says an estate of someone who died on or after January 1, 2023 owes no tax if the federal taxable estate is not more than $2,000,000.
• M.G.L. c. 65C, § 2A(f) allows a credit against the tax equal to the tax, capped at $99,600.

Nothing there exempts the first $2,000,000. Once the taxable estate clears the line, Massachusetts computes the tax on the whole amount subject to Massachusetts estate tax, then subtracts $99,600. Anyone who tells you Massachusetts taxes "only the amount above $2 million" is quoting a rule that does not exist.

Here is what the difference looks like. DOR computes the tax with Table B, which starts from the adjusted taxable estate: the amount subject to Massachusetts estate tax minus $60,000.

Apply that table and subtract the credit:

Look at the $2,500,000 row. Tax the $500,000 above the line and you get about $10,000. The real answer is $39,200, close to four times as much. The credit is generous exactly at $2,000,000 and then stops growing, so the effective rate climbs fast on a family home plus a retirement account plus a life insurance payout.

The figure does not move with inflation either. There is no annual indexing in c. 65C, so a Massachusetts estate creeps toward the line every year the housing market rises.

Deaths before 2023. For dates of death from January 1, 2016 through December 31, 2022, DOR set the filing threshold at a gross estate of more than $1,000,000, and the $99,600 credit did not exist. Estates from that era were taxed on the entire estate once they crossed $1,000,000. If you are settling an older estate, confirm the rules for the actual date of death.

Two Different Numbers: One for Filing, One for Owing

Massachusetts measures the filing question and the tax question with different yardsticks, and mixing them up sends people to the wrong answer.

Filing. DOR requires the personal representative to file Form M-706 when the gross value of the estate plus adjusted taxable gifts tops $2,000,000, computed under the December 31, 2000 version of the Internal Revenue Code. Gross value means before debts, funeral costs, administration expenses, the marital deduction, and charitable gifts.

Owing. M.G.L. c. 65C, § 2A(g) measures the federal taxable estate, which is what is left after those deductions come off.

So an estate holding a $1,900,000 house and $400,000 in accounts, carrying a $500,000 mortgage and $60,000 of administration costs, has a gross estate of $2,300,000 and a taxable estate near $1,740,000. That estate files Form M-706 and owes nothing. Filing is not the same as paying, and skipping the return because "we are under $2 million" is how families end up with a penalty on a zero-tax estate.

Massachusetts charges no gift tax. Adjusted taxable gifts still count toward the filing threshold, so lifetime giving does not make the filing question go away.

Form M-706: How and When to File

The personal representative files Form M-706 with the Department of Revenue. An estate of a nonresident who owned Massachusetts real estate or tangible personal property adds Form M-NRA. Both go through MassTaxConnect, or by mail to Massachusetts Department of Revenue, P.O. Box 7023, Boston, MA 02204. Filing online produces the closing letter and the lien release faster.

Deadline. The return and the tax payment are both due 9 months after the date of death (M.G.L. c. 62C, § 17(a)).

Extension to file. DOR grants an automatic 6-month extension of time to file if the estate pays at least 80 percent of the tax finally determined to be due on or before the payment due date. Fall short of 80 percent and the automatic extension is void, which exposes the estate to a late filing penalty.

Extension to pay. File Form M-4768 on or before the original 9-month date to ask for more time to pay, granted in periods of up to 6 months and renewable. M.G.L. c. 65C, § 10 allows an ordinary extension for a reasonable period not exceeding 6 months, and lets the commissioner extend payment for up to 3 years only on a finding of undue hardship. Interest runs on unpaid tax from the original due date either way.

Penalties. Late filing costs 1 percent per month of the tax finally determined to be due, to a maximum of 25 percent. Late payment costs another 1 percent per month of the tax reported due, also capped at 25 percent.

What goes with the return. DOR asks for an executed copy of federal Form 706 bearing the July 1999 revision date, a copy of the death certificate, copies of the will and any trust, Letters of Authority, Form M-NRA where it applies, and Form M-2848 if a representative signs. If the estate also owes federal estate tax, send the current federal Form 706 in addition to the July 1999 version. That older form exists because the Massachusetts computation still runs on the December 31, 2000 Code.

The personal representative pays the tax (M.G.L. c. 65C, § 6) and can be held personally liable for tax shown on the return that goes unpaid. The Massachusetts executor duties guide covers where this sits among the rest of the job, and the Massachusetts probate timeline shows how the 9-month tax clock overlaps the probate calendar.

The Estate Tax Lien That Stalls a House Sale

M.G.L. c. 65C, § 14(a) puts a lien on the decedent's Massachusetts gross estate for 10 years from the date of death, unless the tax is paid sooner. It attaches automatically. Nobody records anything to create it. Property the probate court allows to be used for charges against the estate and administration expenses gets divested of the lien.

Buyers and title companies will not close without clearing it. There are three routes.

Estate under the filing threshold. For deaths on or after January 1, 1997, the personal representative signs an affidavit under the pains and penalties of perjury and records it in the registry of deeds. DOR's guide says the affidavit must accurately state that the gross estate does not necessitate a Massachusetts estate tax filing. The statute words the same affidavit around a federal filing, so have a conveyancing attorney draft the language DOR and your registry accept. DOR publishes no blank form for it.

Estate at or above the threshold. DOR issues a Certificate Releasing Massachusetts Estate Lien, formerly Form M-792, once the Commissioner is satisfied that collection of the tax is not jeopardized (M.G.L. c. 65C, § 14(d)). A release is needed for real estate held jointly or as tenants by the entirety, real estate held in trust, and other real estate includible in the gross estate but outside the probate inventory.

Closing before the return is filed. File Form M-4422 when the sale is happening sooner than 9 months after death and there is an executed purchase and sale agreement or mortgage commitment. Send an attested copy of the deed, a copy of the agreement or commitment, the letter of authority or trust document, a copy of the death certificate, and payment of the estimated tax. Form M-706 is still due within 9 months.

The selling inherited property in Massachusetts guide walks the sale itself, and the tax most people actually pay on that sale is capital gains, not estate tax. Check the Massachusetts step-up in basis guide before you set an asking price.

Nonresidents Who Owned Property in Massachusetts

A Florida or New Hampshire retiree who kept a Cape house can leave a Massachusetts estate tax bill behind.

M.G.L. c. 65C, § 2A(b) taxes a nonresident decedent's Massachusetts real property and tangible personal property. DOR applies the same filing threshold as for a resident, measured on the total worldwide estate plus adjusted taxable gifts. So the Massachusetts house decides whether tax is owed here, while the worldwide estate decides whether a return is required.

For deaths on or after August 1, 2025, DOR computes the nonresident amount by starting from the federal gross estate, removing everything other than Massachusetts real and tangible property, adding Massachusetts QTIP assets that are Massachusetts real or tangible property, and subtracting allowable federal deductions tied directly to the Massachusetts property. Form M-NRA goes in with Form M-706.

The Massachusetts ancillary probate guide covers the court side of an out-of-state decedent's Massachusetts real estate.

Married Couples, the Massachusetts QTIP, and the 2025 Add-Back

Property left outright to a surviving spouse passes free of estate tax under the unlimited marital deduction, and the tax gets deferred to the second death. Where Massachusetts parts company with the federal system is what happens to the couple's two $2,000,000 lines.

Chapter 65C has no counterpart to the federal portability election. A surviving spouse cannot pick up an unused Massachusetts amount from the first spouse. The tool Massachusetts offers instead is the Massachusetts QTIP election under M.G.L. c. 65C, § 3A. The personal representative makes it on the Massachusetts return, and § 3A(f) makes that election irrevocable and independent of any federal election. A couple who leaves everything outright to each other can waste the first spouse's $2,000,000 no-tax point. A trust built for the Massachusetts QTIP can preserve it.

A change landed on August 1, 2025 that every Massachusetts survivor's estate now has to reckon with. Sections 2A(a) and 2A(b) were amended by 2025 Mass. Acts c. 9, § 35, effective under § 136 of that act. The amended text increases the estate by the value of property that is not in the federal gross estate, in which the decedent held a qualifying income interest for life described in § 3A(c), and for which a Massachusetts estate tax deduction was allowed when the property passed to the decedent. DOR's computation steps for deaths on or after August 1, 2025 carry the same instruction: add the value of Massachusetts QTIP assets.

Read plainly, that means property sheltered by a Massachusetts QTIP election in the first spouse's estate comes back into the survivor's Massachusetts estate. The election defers Massachusetts tax. It does not erase it. Section 3A(h) blocks deducting the same interest twice for the same decedent.

If the first spouse died before August 1, 2025 and the estate made a Massachusetts QTIP election, have a tax advisor rerun the survivor's projected Massachusetts estate under the amended rule.

Tax planning is only half of what a survivor is owed. The exempt property, the family allowance, and the six-month waiver of the will are separate entitlements that come off the estate before the beneficiaries take anything, and the Massachusetts surviving spouse rights guide sets out each one and its deadline.

Massachusetts Has No Inheritance Tax

People mix up two taxes that behave nothing alike:

• An estate tax falls on the estate, based on total value, before anything is distributed. Massachusetts has one.
• An inheritance tax falls on the person who receives property, based on what they get and how they were related to the decedent. Massachusetts has none.

DOR's rate schedule lists every Massachusetts tax, from the estate tax down to malt beverages and deeds, and no inheritance tax appears anywhere on it. M.G.L. c. 65C, § 6 makes the personal representative pay the estate tax, and DOR describes the estate tax as a transfer tax on the value of the decedent's estate before distribution to any beneficiary. A child, sibling, or friend who inherits from a Massachusetts estate owes the Commonwealth nothing on the inheritance itself.

One cross-border trap survives. Inherit from someone who lived in a state that does levy an inheritance tax and that state can tax you, even though you live in Massachusetts. The tax follows the decedent's state, not yours.

Inherited assets can still produce Massachusetts income tax after you receive them. Withdrawals from an inherited IRA or 401(k) are ordinary income, and gain on a sale above the stepped-up basis is taxable. Both are income tax questions, not estate tax questions.

What Counts Toward the Massachusetts Gross Estate

DOR builds the gross estate from every property interest the decedent held, plus a list that surprises families:

• Certain lifetime transfers made without adequate and full consideration
• Annuities
• Joint estates with right of survivorship
• Tenancies by the entirety
• Life insurance proceeds, even when payable to a beneficiary rather than the estate
• Property over which the decedent held a general power of appointment
• Dower or curtesy, or the statutory estate, of the surviving spouse
• Community property, to the extent of the decedent's interest

Everything is reported at fair market value on the date of death, or on the alternate valuation date 6 months later.

Two entries on that list catch Massachusetts couples most often. A house held as tenants by the entirety counts in full in the first spouse's gross estate even though it never touches probate, and a life insurance policy the decedent owned counts at its death benefit. Between a Greater Boston home and a modest policy, an ordinary estate can pass $2,000,000 without anyone thinking of itself as wealthy.

The how to avoid probate in Massachusetts guide explains the split that trips people up: probate avoidance and estate tax reduction are different projects, and the tools that solve one often do nothing for the other.

Ways a Massachusetts Family Lowers the Bill

Planning done during life is what moves this number. Options a family weighs with an estate planning attorney or tax advisor:

• Annual gifting. Gifts within the federal annual exclusion move value out of the estate over time. Massachusetts has no gift tax, though adjusted taxable gifts still count toward the filing threshold.
• Irrevocable life insurance trust. A policy held in an irrevocable trust keeps the death benefit out of the gross estate, instead of adding its full face value the way a policy you own does.
• Charitable bequests. A gift to a qualified charity comes off the estate dollar for dollar.
• Massachusetts QTIP planning. A trust structured for the § 3A election preserves the first spouse's no-tax point, with the August 1, 2025 add-back priced into the survivor's projection.
• Moving domicile. Domicile decides whether § 2A(a) reaches the whole estate. Massachusetts real estate and tangible property stay taxable under § 2A(b) regardless.

A revocable living trust does not cut the Massachusetts estate tax. It keeps funded assets out of probate, and those assets still count in the gross estate because you kept control of them. Anyone who sold you a trust as a death tax solution oversold it.

When to Bring in a Professional

Talk to a tax advisor or an estate planning attorney when:

• The estate is anywhere near $2,000,000, counting the house at market value and life insurance at face value
• A nonresident decedent owned Massachusetts real estate
• A sale or refinance needs a lien release before the return is filed
• A surviving spouse faces a Massachusetts QTIP decision
• The first spouse's estate made a Massachusetts QTIP election and the survivor died on or after August 1, 2025
• The estate must file both Form M-706 and a federal Form 706

If you are settling an estate right now, the Massachusetts probate guide explains how to open the case, and Massachusetts creditor claims covers the other bills competing for the same money. Start from the Massachusetts estate settlement hub if you have not opened the case yet.

Federal Estate Tax: When It Reaches a Massachusetts Estate

Most Massachusetts estates never touch the federal estate tax. The gap between the two systems is the whole story here.

2026 federal exclusion. Estates of decedents who die during 2026 have an exclusion of $15,000,000, up from $13,990,000 for 2025. A married couple can shield up to $30,000,000 by combining that with federal portability. The top federal rate is 40 percent, and it applies only above the exclusion.

Form 706. The federal return is required when the gross estate plus adjusted taxable gifts tops the exclusion, or when the estate elects portability for a surviving spouse. It is due 9 months after death, with an automatic 6-month filing extension available on Form 4768. Married couples often file Form 706 with no tax due, purely to preserve the first spouse's unused federal exclusion.

Annual gift exclusion. For 2026 you can give up to $19,000 per recipient without using lifetime exclusion or filing a gift tax return. Direct payments to a medical provider or a school for someone else, gifts to a spouse, and gifts to charity sit outside the gift tax entirely.

The gap. A Massachusetts couple with $6,000,000 owes no federal estate tax and can still owe Massachusetts a six-figure amount. Because § 2A(e) locks the Massachusetts computation to the December 31, 2000 Code, no future federal increase will close that gap. Massachusetts planning has to be done for Massachusetts.

Frequently Asked Questions

Does Massachusetts have an estate tax?

Yes. Massachusetts taxes the transfer of a resident decedent's estate under M.G.L. c. 65C, § 2A. For a death on or after January 1, 2023, § 2A(g) says the estate owes nothing if the federal taxable estate is $2,000,000 or less. Above that line the personal representative files Form M-706 and pays a tax the Department of Revenue reports at marginal rates of 0.8 percent to 16 percent.

Is the $2,000,000 figure a Massachusetts exemption?

No, and that mistake understates the bill. M.G.L. c. 65C, § 2A(f) gives a credit of up to $99,600, not an exemption of the first $2,000,000. Once the taxable estate passes $2,000,000, Massachusetts computes the tax on the whole amount subject to Massachusetts estate tax and then subtracts $99,600. A $2,500,000 estate owes about $39,200, not the roughly $10,000 you get by taxing only the $500,000 above the line.

Does Massachusetts have an inheritance tax?

No. The Department of Revenue's rate schedule lists an estate tax and no inheritance tax, and M.G.L. c. 65C, § 6 makes the personal representative pay the estate tax out of the estate before anything reaches a beneficiary. You owe Massachusetts nothing simply for receiving an inheritance. A different state can still tax you if you inherit from someone who lived where an inheritance tax applies.

When is Form M-706 due in Massachusetts?

Nine months after the date of death, and the payment is due on that same date under M.G.L. c. 62C, § 32(a), which makes tax due when the return is required to be filed, determined without regard to any extension of time for filing. DOR grants an automatic 6-month extension of time to file if the estate pays at least 80 percent of the tax finally determined to be due on or before the payment due date. Pay less than 80 percent and the automatic extension is void.

How do I clear the Massachusetts estate tax lien to sell an inherited house?

M.G.L. c. 65C, § 14(a) puts a lien on the Massachusetts gross estate for 10 years from the date of death. If the estate is under the filing threshold, the personal representative records an affidavit in the registry of deeds under the pains and penalties of perjury. If the estate must file, DOR issues a Certificate Releasing Massachusetts Estate Lien, and Form M-4422 gets one early when a signed purchase and sale agreement is waiting.

Does a revocable living trust cut the Massachusetts estate tax?

No. A revocable trust keeps funded assets out of probate, and those assets still sit in the Massachusetts gross estate because you kept control of them during life. Life insurance you owned counts too, even when the money goes straight to a named beneficiary. Only transfers that give up control, such as completed gifts or an irrevocable trust, shrink the taxable estate.

This guide is general information about Massachusetts estates, not advice for your situation.

Sources:

• Title: Massachusetts General Laws Chapter 65C, Section 2A: Transfer of estate and real property; tax. Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: Not listed. URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleIX/Chapter65C/Section2A
• Title: Massachusetts General Laws Chapter 65C, Section 3A: Qualified terminable interest property. Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: Not listed. URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleIX/Chapter65C/Section3A
• Title: Massachusetts General Laws Chapter 65C, Section 6: Executor's liability for tax. Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: Not listed. URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleIX/Chapter65C/Section6
• Title: Massachusetts General Laws Chapter 65C, Section 10: Extension of due date for payment of tax. Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: Not listed. URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleIX/Chapter65C/Section10
• Title: Massachusetts General Laws Chapter 65C, Section 14: Lien for unpaid tax; liability for delinquent tax; release or discharge of lien. Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: Not listed. URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleIX/Chapter65C/Section14
• Title: Massachusetts General Laws Chapter 62C, Section 17: Return by executor. Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: Not listed. URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleIX/Chapter62C/Section17
• Title: Acts of 2025, Chapter 9: An Act Making Appropriations for the Fiscal Year 2026 for the Maintenance of the Departments, Boards, Commissions, Institutions and Certain Activities of the Commonwealth, for Interest, Sinking Fund and Serial Bond Requirements, and for Certain Permanent Improvements (Sections 35 and 136). Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: June 30, 2025. URL: https://malegislature.gov/Laws/SessionLaws/Acts/2025/Chapter9
• Title: Acts of 2023, Chapter 50: An Act to Improve the Commonwealth's Competitiveness, Affordability, and Equity (Sections 37 and 48). Publisher: The General Court of the Commonwealth of Massachusetts. Publication Date: October 4, 2023. URL: https://malegislature.gov/Laws/SessionLaws/Acts/2023/Chapter50
• Title: Massachusetts Estate Tax Guide. Publisher: Massachusetts Department of Revenue. Publication Date: April 23, 2026. URL: https://www.mass.gov/info-details/massachusetts-estate-tax-guide
• Title: Massachusetts Tax Rates. Publisher: Massachusetts Department of Revenue. Publication Date: December 30, 2025. URL: https://www.mass.gov/info-details/massachusetts-tax-rates
• Title: IRS Releases Tax Inflation Adjustments for Tax Year 2026, Including Amendments From the One Big Beautiful Bill. Publisher: Internal Revenue Service. Publication Date: 2025. URL: https://www.irs.gov/newsroom/irs-releases-tax-inflation-adjustments-for-tax-year-2026-including-amendments-from-the-one-big-beautiful-bill
• Title: About Form 706, United States Estate (and Generation-Skipping Transfer) Tax Return. Publisher: Internal Revenue Service. Publication Date: Not listed. URL: https://www.irs.gov/forms-pubs/about-form-706
• Title: About Form 4768, Application for Extension of Time To File a Return and/or Pay U.S. Estate (and Generation-Skipping Transfer) Taxes. Publisher: Internal Revenue Service. Publication Date: Not listed. URL: https://www.irs.gov/forms-pubs/about-form-4768
• Title: 26 U.S. Code Section 2001: Imposition and Rate of Tax. Publisher: Legal Information Institute, Cornell Law School. Publication Date: Not listed. URL: https://www.law.cornell.edu/uscode/text/26/2001
• Title: 26 U.S. Code Section 2011: Credit for State Death Taxes. Publisher: Legal Information Institute, Cornell Law School. Publication Date: Not listed. URL: https://www.law.cornell.edu/uscode/text/26/2011

It is not legal advice.