Compare Bank & Credit Union Rates
Best savings rates in Portsmouth, NH
Compare published savings yields, money market accounts included, with minimums, requirements, collection dates and original sources.
Top savings rates
Showing 1–15 results in Portsmouth, NH
- 3.85%APY$385 a year on $10,000intro rate
Requirements
Product: Must qualify for and establish membership with Lighthouse Credit Union by maintaining at least $5 in a Lighthouse Savings account. No monthly fee. Donation made by Lighthouse Federal Credit Union to the Lighthouse Foundation based on the average balance held in the Lighthouse Premium Savings account.
Offer: New Money Promotion Special Rate. Available on new Lighthouse Premium Savings accounts opened and funded with qualifying new money deposits originating from outside Lighthouse within the prior 30 days. Promotional rate currently applies to all balance tiers. Additional new money deposits permitted through March 31, 2027. Effective as of September 30, 2026.
Promotional rate · 3.78% interest rate · No monthly fee · Effective Sep 30, 2026
Rate checked
More details - 3.00%APY$300 a year on $10,000with conditions
Requirements
Product: Applies to new personal or business savings accounts opened with new-to-the-bank funds. A checking account must be opened with the savings account. Promotional rate expires on 12/31/2026 with the account converting to current rate and tier structure. A minimum balance of $1.00 must be maintained in the account each day to earn interest.
Offer: Earn this on the entire balance. Requires new-to-the-bank funds and opening a checking account. Promotional rate expires on 12/31/2026.
Qualified rate · 1.98% interest rate
Rate by balance
Rate by balance for Savings Deposit Special Balance APY Up to $4,999 2.00% $5,000 – $99,999Your amount 3.00% $100,000 – $499,999 3.45% $500,000 and up 3.75% Rate checked
More details - Needham BankPremium Money MarketPremium Money Market · $250 min · 3.00%–3.50% by balance
Bank · 1 branch
3.00%APY$300 a year on $10,000with conditionsRequirements
Product: Personal accounts only. Pair with Premium Checking for tier rates; accounts without Premium Checking earn 0.05% APY regardless of balance. No monthly maintenance fees. $250 minimum opening deposit.
Offer: Requires linked Premium Checking Account.
Qualified rate · No monthly fee · Effective Jul 1, 2026
Rate by balance
Rate by balance for Premium Money Market Balance APY Up to $25,000Your amount 3.00% $25,000 – $50,000 3.25% $50,000 and up 3.50% Rate checked
More details - Camden National BankHigh-Yield Savings AccountSavings · $25 min · 0.01%–2.65% by balance
Bank · 1 branch
2.65%APY$265 a year on $10,000with conditionsRequirements
Product: Customer must be an individual who has an existing personal Camden National Checking Account or opens one at the time this account is opened. Requires new money not deposited at Camden National Bank.
Offer: Monthly fee is $0 if you keep a minimum average daily balance of $100 or more, are age 62 or better, or under 18; otherwise $1. Customer must open or have existing personal checking account. Valid for new money only.
Qualified rate · $1 monthly fee · Effective Apr 22, 2026
Rate by balance
Rate by balance for High-Yield Savings Account Balance APY Up to $2,499 0.01% $2,500 – $250,000Your amountMust maintain minimum average daily balance of tier to receive disclosed APY. 2.65% Rate checked
More details - Camden National BankHigh-Yield Savings AccountSavings · $25 min · 2.65%–3.10% by balance
Bank · 1 branch
2.65%APY$265 a year on $10,000with conditionsRequirements
Product: Customer must be an individual who has an existing personal Camden National Checking Account or opens one at the time this account is opened. Requires new money not deposited at Camden National Bank.
Offer: Promotional rate available until 3/31/27 for new accounts opened on or after 8/24/2026; requires personal Camden National Checking Account and new money.
Qualified rate · Effective Aug 24, 2026
Rate by balance
Rate by balance for High-Yield Savings Account Balance APY Up to $250,000Your amount 2.65% $250,000 and upMonthly fee is $0 if you keep a minimum average daily balance of $100 or more, are age 62 or better, or under 18; otherwise $1. Must maintain minimum average daily balance of tier to receive disclosed APY. Customer must open or have existing personal checking account. Valid for new money only. 3.10% Rate checked
More details - 2.10%APY$210 a year on $10,000
Requirements
Product: A minimum balance of $1.00 must be maintained in the account each day to earn interest. Rate and APY subject to change after opening without notice. Fees or penalties may reduce earnings.
Offer: A minimum balance of $1.00 must be maintained in the account each day to earn interest.
2.08% interest rate · Effective Oct 1, 2026
Rate by balance
Rate by balance for Personal Savings Balance APY Up to $249,999Your amount 2.10% $250,000 – $499,999 2.60% $500,000 – $1,999,999 3.40% $2,000,000 and up 3.65% Rate checked
More details - Cambridge Savings BankRelationship High-Yield Money MarketRelationship High-Yield Money Market · $10 min · 1.50%–3.10% by balance
Bank · 1 branch
1.75%APY$175 a year on $10,000with conditionsRequirements
Product: Monthly maintenance service charge of $10 is waived with $1,000 average monthly balance. Non-CSB ATM surcharge reimbursement up to $12/month. Interest is not paid on account balances below $10. Variable rate tiered account.
Offer: With Performance Plus Checking. Monthly maintenance service charge of $10 is waived with $1,000 average monthly balance.
Qualified rate · 1.48% interest rate · $10 monthly fee · Effective Oct 1, 2026
Rate by balance
Rate by balance for Relationship High-Yield Money Market Balance APY Up to $10,000 1.50% $10,000 – $50,000Your amount 1.75% $50,000 – $250,000 2.20% $250,000 – $1,000,000 2.80% $1,000,000 and up 3.10% Rate checked
More details - Cambridge Savings BankRelationship High-Yield Money MarketRelationship High-Yield Money Market · $10 min · 1.25%–2.85% by balance
Bank · 1 branch
1.50%APY$150 a year on $10,000with conditionsRequirements
Product: Monthly maintenance service charge of $10 is waived with $1,000 average monthly balance. Non-CSB ATM surcharge reimbursement up to $12/month. Interest is not paid on account balances below $10. Variable rate tiered account.
Offer: Without Performance Plus Checking. Monthly maintenance service charge of $10 is waived with $1,000 average monthly balance.
Qualified rate · 1.24% interest rate · $10 monthly fee · Effective Oct 1, 2026
Rate by balance
Rate by balance for Relationship High-Yield Money Market Balance APY Up to $10,000 1.25% $10,000 – $50,000Your amount 1.50% $50,000 – $250,000 1.95% $250,000 – $1,000,000 2.55% $1,000,000 and up 2.85% Rate checked
More details - 1.26%APY$126 a year on $10,000
Requirements
Product: Limited geographic service area to Portsmouth and surrounding towns. Features a tiered interest rate structure.
Offer: Interest rate and APY may change after account opening. Fees could reduce earnings.
0.00% interest rate · Effective Oct 3, 2026
Rate by balance
Rate by balance for Money Market Balance APY Up to $2,500 0.00% $2,500 – $50,000Your amount 1.26% $50,000 – $100,000 1.51% $100,000 – $250,000 2.02% $250,000 – $500,000 2.28% $500,000 – $1,000,000 2.53% $1,000,000 and up 3.05% Rate checked
More details - Newburyport BankHarbor Money MarketHarbor Money Market · $1,000 min · 0.00%–3.50% by balance
Bank · 2 branches
1.25%APY$125 a year on $10,000Requirements
Product: The minimum balance to open an account is $1,000.00. The minimum to earn stated APY is $1,000. A minimum balance fee of $10 will be imposed every statement cycle if the statement balance on any day of the cycle falls below $1,000. This is a variable rate that is subject to change after the account is opened. OPen at your branch.
Offer: The minimum to earn stated APY is $1,000. A minimum balance fee of $10 will be imposed every statement cycle if the statement balance on any day of the cycle falls below $1,000.
0.00% interest rate · $10 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Harbor Money Market Balance APY Up to $1,000 0.00% $1,000 – $10,000 0.75% $10,000 – $25,000Your amount 1.25% $25,000 – $50,000 2.25% $50,000 – $100,000 2.75% $100,000 – $500,000 3.25% $500,000 – $1,000,000 3.25% $1,000,000 and up 3.50% Rate checked
More details - Service Credit UnionMoney Market AccountMoney Market Account · $2,500 min · 0.55%–2.50% by balance
Credit union · 4 branches
0.55%APY$55 a year on $10,000Requirements
Product: Must be a member of Service CU or establish membership with $5 in a Primary Savings Account. If at any time during the month the money market daily balance drops below $2,500.00, a fee of $5 will be assessed. Fees could reduce the earnings on the account. Variable rates subject to change without notice.
Offer: Tier 1. Minimum balance to earn dividends is $2,500.00. Variable APY. A $5 fee is assessed if daily balance drops below $2,500.00.
0.55% interest rate · Effective Oct 16, 2026
Rate by balance
Rate by balance for Money Market Account Balance APY $2,500 – $25,000Your amount 0.55% $25,000 – $100,000Tier 2. 0.70% $100,000 and upTier 3. 2.50% Rate checked
More details - Needham BankSuper Saver Money MarketSuper Saver Money Market · $250 min · 0.50%–3.50% by balance
Bank · 1 branch
0.50%APY$50 a year on $10,000with conditionsRequirements
Product: Personal accounts only. Needham Bank personal checking account required. Available to new customers or existing customers who deposit $10,000 or more in new-to-Needham Bank funds. If qualifications are not met within 60 days of account opening, account may be converted to standard Money Market Account. No monthly maintenance fees. Minimum opening deposit $250.
Offer: Requires Needham Bank personal checking account and new customer status or $10,000+ new-to-bank funds.
Qualified rate · No monthly fee · Effective Jan 29, 2026
Rate by balance
Rate by balance for Super Saver Money Market Balance APY Up to $24,999Your amount 0.50% $25,000 – $49,999 2.00% $50,000 and up 3.50% Rate checked
More details - St. Mary's BankPremier Money MarketPremier Money Market · $2,500 min · 0.40%–0.85% by balance
Credit union · 1 branch
0.45%APY$45 a year on $10,000Requirements
Product: Monthly service fee waived when the minimum daily balance remains above $2,500. Variable rates are subject to change without notice, and after the account is opened.
Offer: Minimum balance of $2,500 required to earn APY.
0.40% interest rate · Effective Oct 2, 2026
Rate by balance
Rate by balance for Premier Money Market Balance APY $2,500 – $10,000 0.40% $10,000 – $25,000Your amount 0.45% $25,000 – $50,000 0.45% $50,000 – $100,000 0.60% $100,000 – $250,000 0.70% $250,000 – $500,000 0.75% $500,000 – $1,000,000 0.80% $1,000,000 and up 0.85% Rate checked
More details - 0.30%APY$30 a year on $10,000
Requirements
Product: A fee of $10.00 will be imposed every statement cycle if the statement balance on any day of the cycle falls below $1,000.00. Open at your local Branch.
Offer: A fee of $10.00 will be imposed every statement cycle if the statement balance on any day of the cycle falls below $1,000.00.
0.05% interest rate · $10 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Money Market Balance APY Up to $1,000 0.05% $1,000 – $10,000 0.15% $10,000 – $25,000Your amount 0.30% $25,000 – $50,000 0.30% $50,000 – $100,000 0.50% $100,000 – $500,000 0.50% $500,000 and up 0.50% Rate checked
More details - 0.25%APY$25 a year on $10,000with conditions
Requirements
Product: Only one Service+ Savings account may be established under a primary member social security number. Must maintain qualifying direct deposit (electronic transfer of funds from outside sources, online/mobile check deposits, or P2P payments like Zelle totaling at least $500 in a calendar month) into a checking account under the same membership profile, maintain par value share in primary savings, and have no charged-off share or loan accounts. Without qualifying direct deposit, the entire balance receives 0.25% APY / 0.250% dividend rate.
Offer: Standard rate applied to entire balance without qualifying direct deposit into checking.
Qualified rate · 0.25% interest rate · Effective Oct 1, 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 savings accounts pay in Portsmouth, NH
56 accounts at 19 banks and credit unions · checked Oct 6–22
- Typical
- 0.08%
- Top 10% from
- 1.93%
- Banks, typical
- 0.05%
- Credit unions, typical
- 0.35%
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