Last verified 2026-08-31; facts checked against the primary sources below
M&T Bank deceased account: Estate Services steps
Last verified: August 31, 2026
The short answer: Contact M&T Estate Services at 1-855-350-7272, option 2, email [email protected], fax 716-274-1087, visit a branch, or mail Estate Services, P.O. Box 1850, Buffalo, NY 14240. M&T assigns a representative to identify the documents and next steps for each account.
M&T Estate Services at a glance
| Need | Published route |
|---|---|
| Phone | 1-855-350-7272, option 2 |
| [email protected] | |
| Fax | 716-274-1087 |
| P.O. Box 1850, Buffalo, NY 14240 | |
| Common documents | Death certificate and proof of authority |
What documents should you prepare?
M&T asks for a death certificate showing the visible seal and may require court-issued Letters Testamentary or Letters of Administration. A will, trust, mortgage records, or relationship documents may also apply. The exact list depends on ownership, beneficiaries, product type, state law, and whether probate has opened.
Call first and ask for secure document-submission instructions. Do not send sensitive records through an unverified address or use the deceased customer's online banking credentials.
What happens after notification?
An Estate Services representative reviews the accounts and explains whether funds pass to a joint owner, beneficiary, trustee, estate representative, or another claimant. The team can also explain disbursement and the requirements for opening an estate account at M&T.
Keep the case number, document list, date sent, and follow-up date in the account inventory. If an estate operating account is needed, review the estate bank account checklist.
Requirements vary by account and authority. Confirm the current checklist with M&T Estate Services.