The process of claiming a bank account after death varies based on a number of factors. Here's how to claim a deceased person's bank accounts.In California, an account holder should complete a Totten trust document. A Totten Trust is a payable-on-death account with a named beneficiary. You'll also need the decedent's legal name and Social Security number. If you are not named anywhere on the account, however, you will need to complete the probate process to have the assets transferred to you. How to fill out and record a TOD deed. What if I change my mind? We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. The Decedent's distributees (heirs who are entitled to a share of the deceased person's property) must also be listed in the probate petition.