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Subsidiary of Byline Bancorp, Inc.

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What to do when a Byline Bank account holder dies

Report the death to Byline Bank's Customer Service at 1-773-244-7000

When an account holder at Byline Bank passes away, the next step depends on how the accounts were set up. Accounts with beneficiary designations or trust ownership transfer outside of probate. Accounts titled solely in the deceased's name require the estate's legal representative to work with Byline Bank's Customer Service (1-773-244-7000) to access and distribute the funds.

The claim process begins with a phone call to 1-773-244-7000. Have the account holder's full name, account numbers, and the death certificate available when making initial contact.

Death claim process

Follow these steps to file a death claim with Byline Bank:

Filing a claim

1
Tell Byline that the account owner has died. The deposit terms make reporting an owner's death the customer's responsibility.
2
Call customer service at (773) 244-7000 (Monday to Friday 8 a.m. to 6 p.m., Saturday 8 a.m. to 2 p.m.) or go to a Byline branch (locations).
3
A written notice goes to the postal address printed at the end of the deposit terms: Byline Bank, PO Box 7969, Carol Stream, IL 60197-7969. It takes effect once the bank has it and has had a reasonable time to act.

Required Documents

  • Proof of death of every owner, for a Totten trust account to be paid to its beneficiariesThe bank also asks for any other documents it requires before paying out.

What happens to each kind of account4

Account in one name

An account in one person's name gives no one else ownership or survivorship, and the terms say that at the owner's death it almost always passes through the owner's estate.1

Joint account with survivorship

A joint account is held with survivorship: a deceased owner's share passes to the remaining owners, and the bank may pay any surviving owner. A deceased owner can be taken off the account's title.1

Payable-on-death account

When every owner of a Totten trust account has died, the surviving beneficiaries become its owners and are paid once the bank has proof of death and its other documents. With no eligible beneficiary, the account goes to the last owner's estate.1

Certificate of deposit

After the death of a CD owner who is an individual, Byline waives the early withdrawal penalty when asked.2

Accounts handled elsewhere1

Byline Wealth Management, Trust Services

Estate settlement and trust administration, with Byline as executor, trustee or agent for one3, 4, 5

What Byline Bank's agreement and guidance say7

Holds and legal process

The bank may freeze or delay transactions, or hold funds while it looks into them, when it gets conflicting information or instructions about who owns or controls an account.1

Powers of attorney

An agent under a power of attorney may keep acting on the account until the bank has written notice or actual knowledge of an owner's death and a reasonable chance to act on it.1

Debts owed to the institution

The bank may use money in an owner's accounts to pay a debt the owner owes it, and may take a debt of any joint owner from a joint account, but not from an IRA or HSA.1

Which state governs the account

The deposit terms are governed by federal law and, where federal law does not apply, by Illinois law.1

Dormant and unclaimed accounts

A checking or money market account turns dormant after a year without activity, a savings account after two, and a dormant account is charged $5.00 a month. After years without activity or contact the funds may be sent to the state, and a claim is then made to the state.1

Arbitration

The terms' binding arbitration clause reaches claims brought by an owner's estate or by an account's beneficiaries.1

Accounts from a merged institution

First Security Trust and Savings Bank merged into Byline on April 1, 2025, and its accounts became Byline accounts on April 14, 2025, keeping their account numbers unless the owner was told otherwise. Beneficiaries designated on First Security accounts stayed the same.6, 7

Not in Byline Bank's published guidance7

  • A department for deceased-customer accounts
  • A claim form
  • Whether the death certificate must be certified
  • Which court appointment document it accepts
  • An online way to report a death
  • How long a claim takes
  • A small-estate procedure

Sources7

Download instructions for the whole estate

Byline Bank's Customer Service can be reached by phone at 1-773-244-7000 for questions throughout the claims process.

Sources

(3)·

Data sourced from Byline Bank primary sources (38 pages reviewed). How we research.

Byline Bank death claims support

Customer Service

Hours

Monday-Friday 8:00 AM-6:00 PM; Saturday 8:00 AM-2:00 PM

Mailing address

Byline Bank, P.O. Box 7969, Carol Stream, IL 60197-7969
Verified Oct 2026

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