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Estate tax returns and payments are due 9 months after the date of the decedent's death.
Estate tax returns must be filed by the:
Massachusetts estate tax returns may be filed online through MassTaxConnect.
You will need to create an online account to file the estate tax return. Using MassTaxConnect:
Once you've created an account, you can log in with MassTaxConnect and file your estate tax return.
To make an estate tax payment, please see Make an estate tax payment.
If you're filing a paper estate tax return, you'll need to submit the following:
In the memo portion of your mailed check, please include the deceased person's full name and Social Security number.
Mail completed forms and any payment to:
Massachusetts Estate Tax Unit
P.O. Box 7023
Boston, MA 02204