Massachusetts Probate Form MPC 480

Affidavit of Witness to Will

This page is for educational purposes only and is not legal advice. Forms and requirements change frequently — verify the current version with your local probate court or an attorney.

Last updated: August 28, 2026

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About Affidavit of Witness to Will

Affidavit of Witness to Will (MPC 480) is a probate form used during estate settlement in Massachusetts.

Where to get the official form

The official version of Affidavit of Witness to Will is published as a PDF by the Massachusetts courts. We checked this link and it resolved to a form on an official court or government website — always download the current version directly from the source rather than a third-party copy:

Verified official PDF

Download Affidavit of Witness to Will (PDF) →

Source: mass.gov

Link last checked: August 28, 2026

Prefer to fill it in online? The Massachusetts courts also publish Affidavit of Witness to Will as a guided online form that walks you through each field and then saves a completed PDF you can file.

Fill MPC 480 online at the Massachusetts courts →

How to file Affidavit of Witness to Will in Massachusetts

  1. Step 1 — Confirm you have the correct formDouble-check that Affidavit of Witness to Will (MPC 480) is the right form for your situation. Massachusetts probate forms are revised periodically, so verify the name and number against your court's current form list before you start.
  2. Step 2 — Complete every required fieldFill out Affidavit of Witness to Will carefully and review it for errors before filing. Probate cases can already take months — a small mistake on the form can set your timeline back further.
  3. Step 3 — Get it notarized or witnessed if requiredSome probate forms must be signed in front of a notary or witnesses. Check the instructions on the form itself, and arrange notarization before you file if it's required.
  4. Step 4 — File it with the correct courtSubmit Affidavit of Witness to Will to the probate court or county clerk handling the estate — usually in the Massachusetts county where the deceased lived. Ask the clerk how they prefer to receive filings (in person, by mail, or e-filing).

Working through the Affidavit of Witness to Will? SwiftProbate builds a personalized, step-by-step checklist for settling the estate — so you know which forms to file, in what order, and by when.

Get help with this form

Probate in Massachusetts

See the full Massachusetts probate guide for filing deadlines, small-estate options, timelines, costs, and county courthouse details.

Read the Massachusetts probate guide →

Frequently Asked Questions

What is Affidavit of Witness to Will (MPC 480)?
Affidavit of Witness to Will (MPC 480) is a probate form used during estate settlement in Massachusetts. It's filed with the probate court as part of administering a deceased person's estate.
Where do I file Affidavit of Witness to Will in Massachusetts?
Probate forms are filed with the probate court or county clerk in the Massachusetts county where the deceased person lived. Our Massachusetts probate guide can help you find the right courthouse, filing fees, and local requirements.
Do I need a lawyer to complete Affidavit of Witness to Will?
Many people complete probate forms themselves, especially for smaller or uncontested estates. Complex estates may benefit from professional advice. SwiftProbate is an informational tool that helps you understand and organize the process — it is not a law firm and does not provide legal advice.
Is Affidavit of Witness to Will available online?
Most Massachusetts probate forms are published as PDFs by the state courts or the county clerk. You can find the official source linked above.

Other Massachusetts Probate Forms

Petition for Informal Probate of Will and/or Appointment of Personal RepresentativeMPC 150Petition for Formal Probate of Will and/or Appointment of Personal RepresentativeMPC 160Petition for Late and Limited Formal Testacy and/or AppointmentMPC 161Surviving Spouse, Children, Heirs at LawMPC 162

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Disclaimer: This page is for informational purposes only and does not constitute legal advice. Probate forms and requirements vary by state, county, and individual circumstances, and change over time. Always verify the current form and instructions with your local probate court, and consult a qualified attorney for advice specific to your situation. SwiftProbate is not a law firm and does not provide legal representation.