There is no public registry to check, and no legal way to find out how many bank accounts someone has by looking them up directly. Federal privacy laws shield bank records, so learning what accounts another person holds almost always requires an active court case, a recognized legal role such as executor of an estate, or piecing together clues from tax filings and public databases. Which path is open to you depends entirely on why you need the information and what legal standing you already have.
Why You Cannot Simply Look It Up
Two federal statutes stand between you and someone else’s account information. The Gramm-Leach-Bliley Act requires every financial institution to protect customer data and maintain safeguards against unauthorized access.1Federal Trade Commission. Gramm-Leach-Bliley Act2Federal Deposit Insurance Corporation. Gramm-Leach-Bliley Act – Privacy of Consumer Financial Information The Right to Financial Privacy Act goes further, restricting even federal agencies to five specific channels for reaching bank records: written authorization from the customer, an administrative subpoena, a search warrant, a judicial subpoena, or a formal written request.3Office of the Law Revision Counsel. 12 U.S. Code 3402 – Access to Financial Records by Government Authorities
If federal investigators have to work through those hoops, a private person faces a higher wall. Some kind of legal proceeding or recognized role is what unlocks the door.
Using Civil Discovery to Uncover Accounts
The most common legal route is discovery in a civil lawsuit. Once a case is filed, each side can demand relevant, nonprivileged information from the other party and from third parties like banks.4Legal Information Institute. Federal Rule of Civil Procedure 26 – Duty to Disclose; General Provisions Governing Discovery State courts follow similar rules with their own timelines.
The central tool is a subpoena duces tecum, a court-backed order that requires a bank to produce specified documents.5Legal Information Institute. Federal Rule of Civil Procedure 45 – Subpoena Your attorney serves the subpoena directly on the financial institution, and the bank produces the records or objects within the time set by the court. Banks respond to properly served subpoenas as a matter of routine, though many charge a processing fee.
Discovery also runs through the other party directly. Written interrogatories can require them to list every bank account they hold, and document requests can demand copies of statements. The weakness is obvious: the other side can lie or leave accounts off. That is why subpoenas served straight on the banks tend to be more reliable, and why the two approaches are usually paired.
Divorce
Divorce is the setting where this question comes up most. Most states require both spouses to file sworn financial disclosures early in the case, listing every account, investment, and debt. Concealing accounts on those disclosures is perjury, and courts can impose sanctions, shift the property division, or reopen a finalized divorce when hidden accounts later come to light.
When a spouse is suspected of hiding money, tax returns obtained in discovery are one of the strongest leads. Schedule B lists each institution that paid the taxpayer interest, and banks are required to file Form 1099-INT for any account earning $10 or more in interest during the year.6Internal Revenue Service. Instructions for Forms 1099-INT and 1099-OID Several years of returns often name banks the other spouse never volunteered.
Collecting on a Judgment
Winning a lawsuit is not the same as being paid. Federal Rule of Civil Procedure 69 lets a judgment creditor use discovery to locate assets that can satisfy the judgment, and most states have equivalent rules.7Legal Information Institute. Federal Rule of Civil Procedure 69 – Execution In post-judgment discovery you can depose the debtor (sometimes called a debtor’s examination), send interrogatories demanding an account list, and subpoena banks where you suspect accounts.
The practical problem is knowing which banks to subpoena in the first place. Tax returns, past financial disclosures, and recorded loan documents often point toward specific institutions. Some creditors hire licensed investigators to narrow the search before spending money on formal process.
Access as an Executor of an Estate
When someone dies, the executor named in the will (or a court-appointed administrator when there is no will) has authority to access the deceased person’s financial records. Banks generally require a certified death certificate along with letters testamentary or letters of administration from the probate court before releasing account information.
Part of the executor’s job is finding every account the deceased held, including ones the family did not know existed. Beyond contacting banks that turn up in records or correspondence, an executor can pull the deceased person’s recent tax returns and use the 1099-INT entries to identify institutions, and check state unclaimed property databases for dormant accounts.
Legal Methods That Do Not Require a Lawsuit
Not every situation warrants filing a case. A few legitimate methods surface at least some account information without litigation.
State Unclaimed Property Databases
Every state runs an unclaimed property program that takes custody of dormant bank accounts, uncashed checks, and other forgotten assets. Most databases are free and searchable online. MissingMoney.com, run by the National Association of Unclaimed Property Administrators, queries most participating states at once. It won’t show active accounts, but it can reveal ones the person forgot or abandoned, which matters in estate work and occasionally in divorce.
Tax Returns and Loan Applications
If you already have lawful access to someone’s tax returns, whether through discovery, as executor, or because they shared them, Schedule B names the banks that paid them interest above the reporting threshold.6Internal Revenue Service. Instructions for Forms 1099-INT and 1099-OID Past mortgage and loan applications work similarly, since lenders require applicants to list all accounts and assets. If those documents are relevant to a pending case, discovery rules are broad enough to reach them.4Legal Information Institute. Federal Rule of Civil Procedure 26 – Duty to Disclose; General Provisions Governing Discovery Either way, the institution names become the target list for later subpoenas.
Licensed Private Investigators
Investigators who specialize in asset searches rely on legally available sources: court filings, corporate registrations, real estate records, licensed databases, and public records. A reputable investigator will not call a bank pretending to be the account holder, because that is a federal crime, discussed below. What they can do is identify patterns and leads pointing toward specific institutions, which your attorney can then subpoena. Asset search fees generally start around $500 as a flat project, with hourly rates from about $150 to $250 depending on complexity.
What Bank Records Actually Show
When a bank responds to a subpoena or court order, the records usually go well beyond a simple confirmation that an account exists. You can expect account numbers, the names and addresses of all account holders, balances as of specified dates, and transaction histories showing deposits, withdrawals, and transfers. The records also identify each account’s type, whether checking, savings, money market, or certificate of deposit.
What you receive depends on how the subpoena is drafted. A request that is too narrow misses accounts; one that is too broad invites objections and gets trimmed by the court. An attorney familiar with financial discovery can strike the balance.
What You Cannot Legally Do
When you suspect someone is hiding money, the temptation to take shortcuts is real. Federal law treats those shortcuts as serious crimes.
Pretexting a Bank
Calling a bank and pretending to be the account holder, using a forged document, or tricking an employee into revealing account information is pretexting, and it is a federal crime. The statute prohibits obtaining or attempting to obtain customer information through any false or fraudulent statement to a bank employee or customer, or by using forged or stolen documents. Hiring someone else to do it is equally illegal.8Office of the Law Revision Counsel. 15 U.S. Code 6821 – Privacy Protection for Customer Information of Financial Institutions
Penalties reach up to five years in federal prison for a standard violation, and up to ten years when the conduct is part of a pattern involving more than $100,000 in a 12-month period.9Office of the Law Revision Counsel. 15 U.S. Code 6823 – Criminal Penalty Any service offering to find someone’s bank account numbers without a court order is a warning sign, because the only route to that information outside legal process is through conduct the law punishes.
Credit Reports Under False Pretenses
Consumer reports are available only for specific permissible purposes such as court orders, credit transactions, employment screening, and insurance underwriting.10Office of the Law Revision Counsel. 15 U.S. Code 1681b – Permissible Purposes of Consumer Reports Pulling a report under false pretenses carries civil liability, including actual or statutory damages between $100 and $1,000, potential punitive damages, and the other side’s attorney’s fees. Knowingly obtaining consumer information under false pretenses can also bring up to two years in prison.11Federal Trade Commission. Fair Credit Reporting Act
When to Bring in an Attorney
Most of the methods that actually work require legal filings that are hard to handle alone. Drafting a subpoena that will survive a motion to quash, meeting discovery deadlines, and staying inside both federal and state privacy rules are places where mistakes carry real cost. A subpoena that is too broad gets challenged; one that is too narrow misses the accounts you were trying to find.
Legal help matters most in divorce cases where hidden accounts are suspected, in estates where the deceased’s finances were scattered or poorly documented, and in judgment enforcement where the debtor has gone quiet. The cost of counsel is almost always less than the cost of missing a significant account, or of facing sanctions for crossing a line you didn’t know was there.