Do You Owe Taxes on Bank Bonuses? A Churner's Guide to 1099-INTs

You opened a checking account for a $300 bonus, met the direct deposit requirement, and the cash landed in your account like clockwork. Nice. Now it's tax season and you're staring at a 1099-INT you weren't expecting, wondering if that "free" $300 is actually free.

Short answer: no. Bank account bonuses are taxable income, full stop, and that's true even in years when no 1099 shows up at all.

Why a signup bonus counts as taxable interest

The IRS doesn't care that a bank called it a "bonus" instead of "interest." If a bank pays you money (or the cash value of a gift card or other non-cash reward) as an incentive to open or fund an account, that payment is treated as interest income, taxed at your ordinary income tax rate, which is the same rate that applies to your wages, not the lower rate that applies to long-term capital gains.

This is different from, say, a credit card signup bonus earned through spending, which the IRS generally treats as a rebate rather than income (because you had to spend money to get it). A bank account bonus usually just requires you to open an account and maybe set up a direct deposit (no purchase required), so there's no rebate argument to fall back on. It's straightforwardly income.

The $10 threshold, and why it doesn't save you

Banks are required to send you a Form 1099-INT if they paid you $10 or more in reportable interest during the calendar year, and that includes bonus money lumped in with any regular interest the account earned. Cross that $10 line and expect a 1099-INT in your mailbox (or account documents) by early the following year.

Here's the part that trips people up: falling under $10, or opening an account with a bank that simply never sends the form, does not make the income tax-free. You're legally required to report bank bonus income on your return regardless of whether a 1099 ever arrives. The form is a paperwork trigger for the bank, not a permission slip for you. If you're running several small-dollar bank bonuses across different banks and none of them individually clears $10, you can still owe tax on every one of them combined.

Where it actually goes on your return

Once you know a bonus is taxable, the mechanics are straightforward:

If the bank reports it on a 1099-INT, it gets listed on Schedule B (Interest and Ordinary Dividends), itemized by payer, and the total flows to Form 1040, Line 2b as taxable interest. You're required to file Schedule B at all once your total interest income for the year crosses $1,500, which, if you're running more than a couple of bank bonuses a year, you'll clear without much effort.

Some banks classify bonus payments differently and issue a 1099-MISC instead of a 1099-INT (this happens more often with brokerage cash bonuses or certain promotional structures). In that case, the amount shows up as other income on Schedule 1, Line 8z, which flows to Form 1040, Line 8, rather than through the interest section. Either way, the income is taxed the same; it's just a different line on the form.

If no 1099 shows up at all, report it the way you'd expect it to have been classified had the bank sent one, generally as interest, since that's how most bank bonuses are structured.

A quick note that applies to any of this: this is general information about how bank bonuses are typically taxed, not personalized tax advice. Your situation (filing status, state tax rules, other income) can change the details, so it's worth a conversation with a tax professional, especially once you're running a meaningful volume of bonuses in a year.

The real problem isn't the tax rate: it's reconciliation

None of this is complicated in isolation. One bank, one bonus, one 1099-INT, you plug a number into tax software and move on. The problem shows up when you're doing this across eight or ten banks a year. Some 1099s arrive in January, some in mid-February, some never show up because the bank quietly decided your bonus was under the reporting threshold. Some banks report the bonus amount in Box 1 correctly; others fold it in with regular interest in a way that makes it hard to tell what's bonus and what's interest you'd have earned anyway.

If a 1099-INT arrives with the wrong amount, or doesn't arrive at all, your best defense is your own paper trail: the original offer terms, the date you opened the account, the date the bonus posted, and the amount that hit your account. That's exactly the kind of record BonusTrail's T&C Proof Vault is built to keep: a running log of the offer terms and screenshots for every account you open, so if a 1099 is missing, wrong, or a bank disputes what it promised you, you've got the receipts instead of a foggy memory of a promo page that's long since been taken down.

Between the deadline tracking most churners already rely on a spreadsheet for, and the tax reconciliation that shows up every spring, the accounts pile up fast. A real control center - one place with every offer's terms, dates, and bonus amounts - beats trying to reconstruct all of it from old emails in April.

For the operational side of not missing a bonus in the first place, see our guide on tracking bank bonus requirements so you don't lose a bonus to a missed deadline before taxes are even a question.