Taxes and Certificates of Deposit: What You Need to Know 

Yes, CD interest is taxable. The IRS treats the interest your certificate of deposit earns as ordinary income, taxed at your regular federal and state income tax rates rather than the lower long-term capital gains rate. You owe this tax in the year the interest is credited to your account, even if the CD has not matured and even if you have not withdrawn a dollar. Only the interest is taxed. The principal you deposited is your own money returned to you and is never taxed.

Certificates of deposit (CDs) can be a popular way to earn interest while keeping your savings relatively low risk. But before you open a CD or compare CD rates, it’s important to understand the tax implications. Is CD interest taxable? How are CDs taxed? And when are taxes due on a CD? The answers can affect how much you actually earn from your investment.

Understanding how CD interest is taxed can help you plan ahead, avoid surprises at tax time, and make more informed decisions about your savings. Here’s what you need to know about CD taxes and how your CDs could impact your tax filing.

This is not intended as tax or legal advice. Please consult your tax advisor or financial planner to understand how these topics may affect your individual financial situation.

Do you pay taxes on CD interest?

Yes, you pay taxes on CD interest. All income you earn in a taxable year must be reported to the IRS, and that includes the interest on your CDs. Because you earn interest on your CD even before it fully matures, that interest is considered taxable income and is subject to annual federal and, where applicable, state income tax.

When are taxes due on a CD?

You pay taxes on CD interest every year its credited to your account or made available to you, even if your CD hasn’t matured yet. This still applies regardless of when you withdraw the money or if the interest is reinvested. Here’s how a CD term impacts taxes.

• Short-Term CDs (terms of 1 year or less): Interest earned is fully taxable in the year it’s credited to your account, regardless of whether you withdraw it. If a CD matures in the same calendar year as its purchase date, all interest earned is taxable that year. If a short-term CD spans two calendar years, you might owe taxes in both years based on when the interest was actually earned.
• Long-Term CDs (multi-year terms): Interest is taxed annually as it accrues, not just when the CD matures. You’ll receive a 1099-INT each year showing the interest earned during that calendar year. Even if the interest is reinvested or left in the CD to compound, it’s still considered taxable income. For example, with a 4-year CD, you’ll have to pay taxes on the interest earned in each of those four years. 

How are CDs taxed? 

CD interest is taxed as ordinary income at your regular federal and state income tax rates, not the lower long-term capital gains rate, so your effective rate can be as high as 37% federally depending on your tax bracket. There is no special CD tax rate: your CD interest is added to your other income and taxed at your marginal rate. You can estimate what you owe from your tax bracket and the dollar amount of interest you earned.

However, you do not have to claim interest that is accruing but not yet paid to you or the CD. If interest compounds daily, or interest paid on the deposited amount plus interest each day but paid to the CD every quarter on the anniversary date of opening, then the CD could have interest that is accrued at year-end but has not been paid to the CD yet. 

For example, if a CD is opened on August 5, 2026, interest would be paid on November 5, 2026. The interest that is accruing from November 6, 2026, through year-end is not reportable for the tax year of 2026 as it has not been paid to the account yet. 

Many banks pay interest monthly or quarterly on the calendar month, and some pay monthly or quarterly on the anniversary date of the CD open date, so it is important you clarify with your financial institution when they pay interest on your account.

Do I report my principal and interest when I cash out my CD?

Only the interest is taxed, never your principal. Financial institutions will report the interest you earned to the IRS and will provide you with a Form 1099-INT where you will need to claim the amount you earned as interest. You are not responsible for paying taxes at the time you “cash out” but are responsible for paying the taxes in the year that the interest was paid to you. For example, if your CD has a principal balance of $20,000 and you earned $500 in total interest for the entire CD term at the time you cash out the CD, you will only be taxed for interest that was paid to you in the current calendar year.

How do I report CD interest on my tax return?

You report CD interest on Form 1099-INT. When you earn at least $10 in CD interest for the year, your financial institution is required by law to report it to the IRS and to send you a Form 1099-INT by January 31. If you have multiple CD accounts, you will receive a separate 1099-INT for each. Interest from a CD is reported on IRS Form 1040. You must report the interest even if you do not receive a 1099-INT.

Is CD interest taxable before maturity?

Yes, CD interest is taxable in the year it is credited to your account, not just at maturity. This means you must report interest earned annually even if you don’t withdraw it, a situation sometimes called phantom income because you owe tax before you can access the funds. For example, if you have a 5-year CD with interest credited annually, you must report and pay tax on that interest each year. Understanding this helps you plan accurate tax payments and avoid surprises at filing time.

What if I pay an early withdrawal penalty? How does this affect the taxes I pay on my CD interest?

Your bank charges an early withdrawal penalty when you take money out of a CD before maturity, usually only on the funds withdrawn, not the full balance. Penalties for early CD withdrawal are reported on Schedule 1 of Form 1040, which reduces taxable income. Your bank reports the penalty in Box 2 of the Form 1099-INT it sends you. For example, if you earned $100 in interest but paid a $20 penalty, you would pay tax on $80. To estimate your penalty before you withdraw, use CD Valet’s early withdrawal penalty calculator.

How can I reduce or defer taxes on CD interest?

You cannot make interest from a standard CD completely tax-free, but there are several legitimate ways to defer or reduce what you owe:

• Hold the CD inside a Traditional IRA: Interest grows tax-deferred and you do not pay tax on it until you withdraw funds in retirement, when you may be in a lower bracket.
• Use a Roth IRA CD: You contribute after-tax dollars, but the interest grows and can be withdrawn tax-free once you are 59.5 and have held a Roth IRA for at least five years.
• Open the CD in a Health Savings Account: If you have a qualifying high-deductible health plan, an HSA offers a triple tax advantage: deductible contributions, tax-free growth, and tax-free withdrawals for qualified medical expenses.
• Consider a 529 plan: CDs held inside a 529 college savings plan grow tax-free when used for qualified education expenses.
• Build a CD ladder: Spreading maturities across multiple years lets you spread interest income across tax years, which may help keep your taxable income in lower tax brackets than if multiple CDs matured and generated the same interest income in a single year.
• Deduct any early withdrawal penalty: If you break a CD early, the penalty is deductible as an adjustment to income and offsets the interest you report.
• Use a short-term CD to defer: A CD opened in one year that matures early in the next shifts the interest, and the tax on it, into the later tax year.

Contribution and income limits apply to IRA and HSA accounts, so confirm the current-year IRS limits before you deposit. To compare tax-advantaged options, see CD Valet’s Online IRA CDs. This is not tax or legal advice; consult your tax advisor about your situation.

How much tax will I pay on CD interest?

There is no separate tax rate for CDs. The tax you owe equals the interest you earned multiplied by your marginal federal income tax rate, plus any applicable state income tax. For example, if you earn $500 in CD interest and your marginal rate is 22%, you would owe about $110 in federal tax on that interest. To estimate how much interest your CD will earn before you calculate the tax, use CD Valet’s CD earnings calculator.

How can I use CDs to prepare for paying my taxes?

One common use for a CD is saving for near-term planned expenses, like tax payments or tuition. This makes CDs often a highly effective way of managing funds that you do not expect to need for a matter of months or years, but you do not want to place yourself at risk of losing your principal by investing in stocks or other assets that are subject to price volatility. And for an extra layer of security, CDs are protected up to a minimum of $250,000 per depositor under insurance provided by FDIC for banks or NCUA for credit unions. 

Final Takeaway

Before you open your next CD, consider the interest you will earn and when you will owe tax on it, since that can influence the maturity you choose. When you are ready, compare current verified CD rates on CD Valet, or explore IRA CDs for a tax-advantaged option.

Disclaimer: This is not intended as tax or legal advice. Please consult your tax advisor or financial planner to understand how these topics may affect your individual financial situation.

FAQs About Taxes on CD Interest