Opening a CD account takes 15 to 30 minutes and requires an initial deposit, a Social Security number, and proof of identity
You can open a CD in person at a bank or credit union branch, by phone, or online through their website. Most institutions let you complete the entire process without leaving home if you bank there already. If you are opening your first account with that institution, you may need to visit a branch or mail in a copy of your ID. The deposit amount varies by bank — some start at $500, others at $1,000 or $2,500, and a few have no minimum.
The process is straightforward because banks have done this thousands of times. You choose the term length (how long your money stays locked), confirm the interest rate, deposit your money, and sign the paperwork. The bank then holds your money until the maturity date and pays you the agreed interest. If you withdraw before that date, you pay an early withdrawal penalty — usually a few months of interest.
Key Takeaways
- You need a Social Security number, proof of identity (driver's license or passport), and an initial deposit to open a CD.
- Most banks and credit unions let you open a CD online if you already have an account with them, or by phone with a representative.
- The deposit minimum varies by institution — check the bank's website or call to confirm before you start the process.
- You choose the term length when you open the account, and the interest rate is locked in for that entire period.
- Early withdrawal before the maturity date triggers a penalty, usually equal to a few months of the interest you would have earned.
What you need to bring or provide
Have your Social Security number ready — the bank needs it to run a background check and report interest income to the IRS. Bring or upload a government-issued photo ID: a driver's license, passport, or state ID card. If you are opening the account online and already bank at that institution, you may skip the ID step because the bank already has it on file.
You also need the initial deposit amount in cash or from another account. If you are opening the CD online, you can transfer money from a linked checking or savings account at the same bank. If you are opening in person, you can bring a check, wire money, or transfer it electronically. Some banks let you fund a CD by check mailed in after you open it, but most require the money to be there before or immediately after you sign.
If you are opening the account at a branch you have never visited, bring your ID in person or mail a copy to the bank. Online-only banks and credit unions typically ask you to verify your identity through a video call with a representative or by uploading photos of both sides of your ID.
Choosing the term length and locking in the rate
When you open the CD, you select how long the bank holds your money: 3 months, 6 months, 1 year, 2 years, 5 years, or longer. The interest rate is higher for longer terms because the bank gets to use your money for a longer period. A 5-year CD pays more than a 1-year CD, but you cannot touch the money without paying a penalty.
The interest rate is locked in the moment you open the account. If rates rise after you open the CD, your rate does not change — you are stuck with the original rate for the full term. This is why timing matters: if you think rates might drop, locking in now protects you. If you think rates will rise, you might wait or choose a shorter term so you can reinvest at a higher rate sooner.
Some banks offer CD ladders as a workaround. You open multiple CDs with different maturity dates — one matures in 1 year, one in 2 years, one in 3 years. As each one matures, you can reinvest at whatever the current rate is. This spreads your money across different terms so you are not locked into one rate for years.
Opening online versus in person
Opening online is faster if you already have an account at that bank. Log into your account, find the CD section, choose your term and deposit amount, review the terms, and confirm. The money transfers from your linked account, and the CD opens within minutes. You receive a confirmation email with the maturity date and interest rate.
Opening in person at a branch takes longer but works if you do not have an existing account or prefer to speak with someone. A banker walks you through the options, answers questions about early withdrawal penalties, and processes the paperwork. Bring your ID and the deposit amount, or arrange to transfer it after you sign. The CD opens the same day.
Opening by phone works if the bank has a customer service line. Call the number on the bank's website, confirm your identity, tell the representative the term length and deposit amount you want, and authorize the transfer. The representative emails or mails you the CD agreement and confirmation. This usually takes 1 to 3 business days to complete.
What happens after you open the CD
Your money sits in the CD earning interest on a daily or monthly basis, depending on the bank. You receive a statement showing the balance and accrued interest. You do not make deposits or withdrawals during the term — the CD is not a checking account. If you need the money before the maturity date, you can withdraw it, but you pay an early withdrawal penalty.
The penalty amount varies by bank and by term length. A 3-month CD might have a penalty of 1 month of interest; a 5-year CD might have a penalty of 6 months of interest. The bank deducts the penalty from your balance, so you get back less than you put in. Before you open the CD, ask the bank what the penalty is — it is usually listed in the account agreement or on the product page.
On the maturity date, the bank automatically renews the CD at the current interest rate unless you tell it not to. If you do not want to renew, contact the bank during the renewal window (usually 7 to 10 days after maturity) and ask them to transfer the money to your checking or savings account. If you miss the window, the CD renews automatically and you are locked in again for another term.
Comparing CD rates and terms across banks
Interest rates vary significantly between banks, so it pays to compare before you open. A 1-year CD at one bank might pay 4.5%, while another pays 5.2%. Over a year, that 0.7% difference adds up. Online banks and credit unions often pay higher rates than large national banks because they have lower overhead costs.
Use a rate comparison website to see current CD rates from multiple banks, or visit each bank's website directly. Write down the term length, the annual percentage yield (APY), and the minimum deposit for each option. APY is the rate you actually earn after compounding, so it is the number to compare. Also check the early withdrawal penalty — a high rate is less attractive if the penalty is steep.
Once you have narrowed it down, open the CD with the bank that offers the best combination of rate, term, and penalty for your situation. You can open CDs at multiple banks if you want to spread your money around or ladder your terms.
Frequently Asked Questions
Can I open a CD if I do not have a checking account at that bank?
Yes. You can open a CD as your first account at a bank or credit union. You will need to verify your identity, usually by visiting a branch with your ID or uploading photos of your ID online. Some banks require you to open a checking account at the same time, while others let you open only the CD.
What if I need the money before the CD matures?
You can withdraw it, but you pay an early withdrawal penalty. The penalty is usually a set number of months of interest — for example, 3 months of interest on a 1-year CD. The bank deducts the penalty from your balance, so you get back less than you deposited. Check the penalty amount before you open the CD so you know the cost if you need the money early.
Do I have to renew the CD when it matures?
No. Most banks automatically renew the CD at the current interest rate unless you tell them not to. You have a window of 7 to 10 days after maturity to contact the bank and ask them to transfer the money to your checking or savings account instead. If you miss the window, the CD renews and you are locked in for another term.
Is my money safe in a CD?
Yes, if the bank is FDIC-insured or the credit union is NCUA-insured. These agencies insure deposits up to $250,000 per account holder per institution. Your CD is covered by this insurance, so even if the bank fails, you get your money back. Check the bank's website to confirm it is FDIC or NCUA-insured.
Can I open a CD for someone else, like a child?
Yes, but the person whose name is on the CD must be present or authorize it. For a minor, a parent or guardian can open a CD in the child's name. For an adult, you can open a joint CD with another person, or you can open one in their name if they sign the paperwork or authorize it in writing.