Put $400,000 in a single savings account and, if that bank fails, federal deposit insurance guarantees only $250,000 of it. The remaining $150,000 sits outside the guarantee, not because the FDIC is stingy, but because the money was parked in one account type at one bank. Arranged differently, the same $400,000 could have been fully insured at the same institution.
That is the part of deposit insurance most savers never learn: the famous $250,000 limit is not a per-person ceiling. It applies per depositor, per insured bank, per ownership category, as the FDIC explains. Understand how the categories stack and you can insure well over a million dollars at one bank without any exotic maneuvering. This piece walks through the categories, what counts and what does not, and the free tool that does the math for you.
The basic promise
FDIC insurance is automatic at any insured bank. You do not apply for it, and you do not pay for it. If the bank fails, the FDIC pays insured depositors, typically within a few business days, and no depositor has ever lost a penny of insured deposits in the agency’s history. The insurance covers deposit products: checking accounts, savings accounts, money market deposit accounts, and certificates of deposit, plus official items such as cashier’s checks issued by the bank.
It does not cover investment products, even ones you bought at a bank. Stocks, bonds, mutual funds, annuities, life insurance policies, crypto assets, and the contents of a safe deposit box all fall outside the guarantee. If a teller sold you a mutual fund in the lobby, that fund carries market risk the FDIC will not absorb.
Ownership categories, the multiplier most people miss
The FDIC recognizes several distinct ownership categories, and each one gets its own $250,000 of coverage per depositor at each bank. The ones that matter to most households:
Single accounts. Everything you own alone at one bank, across checking, savings, and CDs, is added together and insured to $250,000 total. Three accounts of $100,000 each in your name alone leaves $50,000 uninsured.
Joint accounts. Accounts owned by two or more people are a separate category, and each co-owner is insured up to $250,000 for their share. A married couple’s joint savings is insured to $500,000, on top of what each spouse holds in single accounts. That is how a couple can have $1 million fully insured at one bank: $250,000 each in single accounts plus $500,000 jointly.
Certain retirement accounts. IRA deposits, such as an IRA CD or IRA savings account, form their own category insured to $250,000 per owner, separate from the same person’s single and joint money.
Trust accounts. Deposits with named beneficiaries, including payable-on-death accounts and formal revocable or irrevocable trusts, are insured at $250,000 per beneficiary, up to five beneficiaries, for a maximum of $1.25 million per owner per bank. The FDIC simplified these rules effective April 1, 2024, folding what used to be two trust categories into one.
Business accounts. Deposits owned by a corporation, partnership, or LLC are insured up to $250,000 as a separate category, but the coverage belongs to the entity, not to each owner.
Per bank means per charter, not per branch or brand
Coverage also multiplies across institutions. $250,000 at each of four different banks is $1 million insured, no categories required. The catch is that “different” means a different charter. Two branches of the same bank are one bank, and, less obviously, two different brand names can operate under a single charter, which would merge your coverage. Before you count an online spinoff as a second bank, look both names up in the FDIC’s BankFind tool, which shows every insured institution and the trade names it operates under.
Let EDIE do the arithmetic
You do not have to work any of this out by hand. The FDIC’s Electronic Deposit Insurance Estimator, known as EDIE, lets you enter each account at a bank, with its owners and beneficiaries, and returns a report showing exactly what is insured and what is exposed. It takes a few minutes and it is the same logic the agency itself applies in a failure. Anyone holding more than $250,000 at one institution should run it once, and again after any large deposit, an inheritance, a home sale, or the death of a joint owner, since coverage on a deceased co-owner’s share changes after a six-month grace period.
Credit unions have the same deal under a different name
If your money sits at a credit union instead of a bank, the math is essentially identical but the insurer is the National Credit Union Administration. The National Credit Union Share Insurance Fund covers up to $250,000 per member, per credit union, per ownership category, with the full faith and credit of the United States behind it, and the NCUA offers its own coverage estimator. What you want to avoid is the small slice of institutions with only private insurance, so confirm the NCUA or FDIC logo before opening an account.
What to do this week if you are over the limit
Start with a simple inventory: every deposit account, its bank, its owners, and its beneficiaries. Run the totals through EDIE. If something is exposed, you have easy fixes that do not require abandoning a bank you like: retitle a portion jointly with a spouse, add payable-on-death beneficiaries to move money into the trust category, or shift the overflow to a second, separately chartered institution. A half hour of paperwork is cheap insurance on money you assumed was already insured.
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