Quick Answer: Executors handling Massachusetts real property should confirm the applicable valuation date and plan any intended year-end sale or transfer with the estate’s attorney and tax adviser. December 31 is not a universal estate filing deadline. Starting valuation work in October can leave more time for documentation and coordination, but each estate’s legal and tax deadlines control.

Last updated: October 1, 2026

Estate work can become more compressed in the fourth quarter as professionals coordinate filings, transactions, and holiday schedules. If you are serving as personal representative for an estate holding Greater Boston property and want to complete a transaction this year, the next several weeks are a useful time to confirm the actual deadlines and arrange the valuation work.

Which Estate Items Actually Have a December 31 Date?

Not everything does, and separating the two matters. A required federal estate tax return is generally due nine months after the date of death, which is tied to the death rather than to the calendar. December 31 may matter for a sale or transfer intended to occur within a particular calendar tax year, but an estate may use a fiscal tax year and special distribution rules can apply. Confirm the estate’s tax year, authority to distribute, and transaction-specific timing with its attorney and tax professional; an estate distribution is not simply a gift under an executor’s annual exclusion.

Why the Valuation Should Already Be Underway

For an estate holding a home, a defensible value as of the correct date can support required tax filings, division among heirs, sibling buyouts, and the documentation of inherited property’s basis. A properly built date-of-death appraisal involves research into the market and property condition as they stood on a past date, appropriate inspection or other evidence, and a written report. Allow time for that work rather than assuming it can be completed in a few days.

Confirm Which Date Applies Before Ordering Anything

For federal and Massachusetts estate purposes the relevant value is generally as of the date of death, though an alternate valuation date may be available in certain circumstances. That is a decision made with the estate's attorney or tax professional, not an assumption. The choice itself is explained in date of death and choosing an alternate valuation date. Ordering a current-value appraisal because it seemed simpler is a common and expensive error, because a current value does not answer the question the filing requires.

Document Condition Before the House Is Emptied

Condition on the relevant date is a component of value, and once family members begin clearing and cleaning the home, some evidence of its earlier condition may be lost. Photograph the interior and exterior thoroughly, with dates, before anything is removed. Keep permits, prior appraisals, and any repair records you find. The full opening checklist is in the executor's first 30 days and a property checklist for Greater Boston estates.

Early valuation planning can help estates coordinate a year-end transaction without unnecessary pressure. Start with the value, confirm the date with your attorney, and the rest of the year-end sequence becomes manageable. We work with executors, trustees, and probate attorneys across Eastern Massachusetts, including Belmont and the surrounding communities.

Frequently Asked Questions

When is the federal estate tax return due?

Generally nine months after the date of death, with extensions available. That deadline is tied to the date of death rather than the calendar year, so it may fall at any point. Extensions typically extend the filing rather than the payment, which is another reason the valuation should be completed early.

What is an alternate valuation date?

An alternate valuation date allows certain estates to value assets as of a date later than the date of death, subject to specific eligibility rules. Whether it is available and whether it benefits a particular estate is a decision for the estate's attorney or tax professional, and it should be settled before an appraisal is ordered.

Can a date-of-death appraisal be done after the house has been sold or emptied?

Yes, but reconstructing past condition can require additional research. The appraiser uses records, photographs, and other available documentation to establish the property’s condition as of the relevant date. Documenting condition before anything changes preserves useful evidence.

If you are an executor, trustee, or attorney managing a Greater Boston estate with real property, our estate planning and date-of-death appraisal service delivers the USPAP-compliant documentation you need before any estate filing or property decision.

Ready to Get Started?

Learn more about our appraisal service and contact Aladdin Appraisal to discuss your property and timing.