Compare Bank & Credit Union Rates
Best CD rates and certificates
Compare published certificate yields with their terms, opening minimums, requirements, collection dates and original sources.
Top CD rates
Showing 16–30 results in Portland, ME metro
- University Credit UnionShare Certificate SpecialsCD · 14 months · $1,500 min
Credit union · 3 branches
4.00%APY$468 over 14 months on $10,000intro rateRequirements
Product: Penalty for early withdrawal. Fees may affect earnings.
Offer: New Member Special offered to new members joining after 10/1/26 with a minimum of $1,500 in new money to open. New money is defined as funds not currently on deposit at UCU that come from an outside source; transfers between existing UCU accounts do not qualify. Penalty for early withdrawal. Fees may affect earnings.
Promotional rate · Effective Oct 1, 2026
Rate checked
More details - 4.00%APY$746 over 22 months on $10,000
Requirements
Product: $500 minimum balance to open the account. Substantial penalty for early withdrawal.
Offer: Available to customers with mutual checking or mutual interest checking accounts
3.93% interest rate · Effective Sep 22, 2026
Rate checked
More details - Maine Savings Federal Credit UnionShare CertificatesCD · 23 months · $500 min
Credit union · 1 branch
4.00%APY$781 over 23 months on $10,000Requirements
Product: Certificate rates are fixed for the term of the account. Dividends compounded and credited monthly; calculated using the daily balance method. Additional deposits not permitted after opening. Early withdrawal penalties apply.
3.93% interest rate · Effective Oct 15, 2026
Rate checked
More details - Bangor Savings BankSpecial Certificate of Deposit (CD) OfferingsCD · 39 months · $500 min
Bank · 17 branches
4.00%APY$1,359 over 39 months on $10,000with conditionsRequirements
Product: Requires a $500 minimum daily balance to earn APY and $500 minimum opening deposit. Interest compounded daily and credited monthly. Penalties may be imposed for early withdrawal. Benefit Plus checking account holders receive relationship rate and APY.
Offer: For Benefit Plus customers. Renews automatically into 36 Month CDs.
Qualified rate · 3.92% interest rate · Compounded daily · Effective Oct 1, 2026
Rate checked
More details - Maine Community BankCertificates of Deposit (CDs) – Special OfferingsCD · 12 months · $500 min
Bank · 20 branches
3.95%APY$395 over 1 year on $10,000intro rateRequirements
Product: Certificates of Deposit are available for personal banking and business banking customers. The annual percentage yield assumes interest remains on deposit until maturity and funds are renewed at the same rate and remain on deposit for one year. A substantial penalty may be imposed for early withdrawals. Any withdrawals could reduce earnings. For more information on terms, rates, or products, please contact us .
Offer: 12 Month Special
Promotional rate · Effective Oct 15, 2026
Rate checked
More details - Lighthouse Credit UnionVariable Rate Share CertificateCD · 24 months · $500 min
Credit union · 5 branches
3.95%APY$806 over 24 months on $10,000Requirements
Product: Must be or become a member of Lighthouse Credit Union by maintaining at least $5 in a Lighthouse Savings account. Variable dividend rate adjusts monthly based on the Federal Funds Rate as of the last business day of the month (minimum dividend rate 2.50% / APY 2.53%, maximum dividend rate 5.50% / APY 5.64%). Early withdrawal penalty may apply.
Offer: Variable dividend rate adjusts monthly based on the Federal Funds Rate as of the last business day of the month; minimum dividend rate 2.50% (APY 2.53%), maximum dividend rate 5.50% (APY 5.64%).
3.88% interest rate · Effective Oct 2, 2026
Rate checked
More details - 3.85%APY
Requirements
Product: Minimum deposit to open the CD and obtain the APY is $500. Signature Banking Customers receive an increase of 0.10% on all new and renewed CDs. Combo CDs are offered to those customers who have an existing Eagle Bank checking account.
Offer: 6-16 Month CD/IRA Special accounts are available during a special promotion period only. Minimum deposit is $10,000. A penalty will be imposed for withdrawals before maturity. CDs will automatically renew at a 12-month term at the regular 12-month CD rate being offered by the Bank at the time of renewal.
3.78% interest rate · Effective Sep 24, 2026
Rate checked
More details - 3.85%APY$583 over 18 months on $10,000with conditions
Requirements
Product: Requires an eligible/qualifying M&T Bank checking account (such as MyChoice Premium Checking, M&T Select, M&T Select With Interest, Power Checking, or Advantage Checking). Maximum deposit is $1,000,000 per account ($750,000 if opened online). Minimum balance to obtain APY is $1.00. Early withdrawal penalties apply.
Offer: Requires a qualifying checking account. Maximum deposit is $1,000,000 ($750,000 if opened online). Minimum balance to obtain APY is $1.00.
Qualified rate · 3.78% interest rate · Balance cap $1,000,000 · Effective Jul 30, 2026
Rate checked
More details - 3.82%APY$317 over 10 months on $10,000intro rate
Requirements
Product: CD Specials require a $2,500 minimum opening deposit and a $2,500 minimum daily balance to obtain the stated APY. Substantial penalty for early withdrawal. Withdrawals will reduce earnings.
Offer: Requires a $2,500 minimum opening deposit and a $2,500 minimum daily balance to obtain stated APY.
Promotional rate · 3.75% interest rate · Effective Oct 20, 2026
Rate checked
More details - 3.82%APY$382 over 1 year on $10,000intro rate
Requirements
Product: Penalties may apply for early withdrawal. Requires $500 minimum opening deposit. Dividends can be withdrawn when and how desired. Automatically rolls over at maturity.
Offer: Special promotional rate.
Promotional rate · 3.75% interest rate · Effective Oct 1, 2026
Rate checked
More details - 3.82%APY$382 over 1 year on $10,000
Requirements
Product: Dividends compound and credit monthly. Fixed rate. Automatic renewal. Additional deposits not allowed after opening. Penalty for early withdrawal is 365 days of dividends. Average daily balance method used.
3.75% interest rate · Effective Apr 8, 2026
Rate checked
More details - 3.76%APY$2,027 over 60 months on $10,000
Requirements
Product: Terms from 6 to 60 months. Dividends compounded and credited monthly. Fixed dividend rate and APY remain in effect until maturity. Automatically renews at maturity at the next highest regular term with a 10-day grace period. Early withdrawal penalty applies.
3.70% interest rate · Effective Oct 1, 2026
Rate checked
More details - 3.75%APY$217 over 7 months on $10,000
Requirements
Product: At maturity, automatically renews into a 3 Month Flexible CD at a lower interest rate unless changed during 7-day grace period. Online opening limit is $250,000.
3.69% interest rate · Effective Oct 5, 2026
Rate by balance
Rate by balance for Featured CD Balance APY Up to $9,999 3.75% $10,000 – $99,999Your amount 3.75% $100,000 – $999,999 4.11% $1,000,000 and up 4.11% Rate checked
More details - 3.75%APY$375 over 1 year on $10,000
Requirements
Offer: Assumes interest will remain on deposit until maturity. A penalty may be charged for early withdrawal. A withdrawal will reduce earnings.
3.69% interest rate · Effective Oct 21, 2026
Rate checked
More details - 3.75%APY$375 over 1 year on $10,000with conditions
Requirements
Product: Qualify for Relationship Rewards interest rates when paired with a Key Advantage Checking ® , Key Privilege Checking ® , Key Privilege Select Checking ® , Key Select Checking ® , Key Private Client ® Checking , Key Private Bank Checking ® , or Key Private Bank Personal Checking Account.
Offer: Promotional Rate accurate as of September 26, 2026, 12-month Tiered CD with Relationship Rewards up to $99,999.99. Minimum opening deposit $2,500. Compounded daily. Early withdrawal penalties may apply.
Qualified rate · Compounded daily · Balance cap $99,999.99 · Effective Sep 26, 2026
Rate checked
More details
Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates, not just the account shown. How we rank
What CDs pay in Portland, ME metro
440 CDs at 40 banks and credit unions · checked Oct 16–22
- Typical
- 2.74%
- Top 10% from
- 3.95%
- Banks, typical
- 1.50%
- Credit unions, typical
- 3.50%
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Portland, ME metro
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- Dirigo Federal Credit UnionCredit union · 1 branch
- Trademark Federal Credit UnionCredit union · 1 branch
- Atlantic Federal Credit UnionCredit union · 12 branches