Compare the best banks and credit unions in Massachusetts — up to 5.00% APY, verified fees, minimums, and membership rules from 43+ local institutions.
Massachusetts has one of the country's deepest mutual-savings-bank traditions — institutions like Eastern Bank, Rockland Trust, and Webster Five have operated as depositor-owned mutuals for over a century. On the credit-union side, Digital Federal Credit Union (DCU) is the state's largest CU and accepts members nationwide, routinely publishing top-5 savings rates. State-chartered institutions are supervised by the Massachusetts Division of Banks, and all carry FDIC or NCUA insurance to $250,000.
State regulator: Massachusetts Division of Banks. Every institution below is FDIC- or NCUA-insured to $250,000.
Best banks and credit unions in Massachusetts 2026
Service Credit Union — Savings: 5.00% APY, $5 min, no monthly fee. Primary Savings: 5.00% APY on daily balances up to $500; the balance above $500 earns 0.25% APY; $5 to open (membership share); APY accurate as of 11/16/2025 per the page. Read Sep 7, 2026 on servicecu.org.
Rockland Federal Credit Union — CD: 4.10% APY, $500 min, no monthly fee. 12-month 1 Year Share Certificate: $500 minimum deposit; dividends compounded monthly; personal accounts only. Read Sep 7, 2026 on rfcu.com. Rates as of 2026-09-01 per the page.
Service Credit Union — CD: 4.00% APY, $500 min, no monthly fee. 12 Months Share Certificate: $500 minimum deposit; fixed rate; APY accurate as of 08/01/2026 per the page. Read Sep 7, 2026 on servicecu.org.
Northern Bank — CD: 3.90% APY, $500 min, no monthly fee. 12 months CD: $500.00 minimum balance to open and earn APY; maximum $250,000.00 per certificate; the 7-month CD pays 4.00% APY. Read Sep 7, 2026 on nbtc.com. Rates as of 2026-09-01 per the page.
Santander Bank, N.A. — CD: 3.85% APY, $500 min, no monthly fee. 10-Month CD: No 12-month term is listed; the 10-Month and 14-Month CDs both pay 3.85% APY; $500 minimum to open; available when opened in a Santander location in CT, DE, MA, NH, NJ, NY, PA or RI; 'APY is accurate and effective as of today'. Read Sep 7, 2026 on santanderbank.com.
Needham Bank — CD: 3.85% APY, $1,000 min, no monthly fee. 12-month 1 Year Certificate of Deposit: $1,000 minimum opening deposit; interest compounded continuously and credited monthly; 11 and 15 month CDs pay 4.10% APY. Read Sep 7, 2026 on needhambank.com. Rates as of 2026-09-01 per the page.
Metro Credit Union — CD: 3.75% APY, $500 min, no monthly fee. 12 Months Certificate of Deposit: $500.00 minimum balance to open; $0.01 minimum balance to earn interest; APY accurate as of the last interest declaration date of July 28, 2026; 13-15 month CDs pay 4.00% APY. Read Sep 7, 2026 on metrocu.org. Rates as of 2026-07-28 per the page.
Webster Five — Savings: 3.45% APY, $100 min, no monthly fee. Central Massachusetts mutual bank with competitive relationship savings accounts.
Every bank with a branch in Massachusetts
110 FDIC-insured banks run 1,834 full-service offices in Massachusetts. 77 of them are community banks, and 70 operate nowhere else. This is the federal record: every figure below is the regulator's own.
Citizens Bank, National Association — 179 offices in Massachusetts, of 964 nationwide, holding $58.4bn at 30 June 2025, leverage ratio 9.39%.
TruNorth Bank — 49 offices in Massachusetts, of 55 nationwide, holding $1.76bn at 30 June 2025, leverage ratio 9.82%.
Salem Five Cents Savings Bank — 34 offices in Massachusetts, and nowhere else, holding $5.75bn at 30 June 2025, leverage ratio 10.52%.
Middlesex Savings Bank — 33 offices in Massachusetts, and nowhere else, holding $5.23bn at 30 June 2025, leverage ratio 13.44%.
Deposits by office come from the FDIC Summary of Deposits, counted each 30 June; the leverage ratio is capital as a share of assets, from each bank's latest Call Report. Nothing here is blended into a score. Search by ZIP to see the offices nearest you.
Every bank we publish a page for in Massachusetts
27 of them, largest first. Each page carries the bank's own Call Report figures and every office it runs.
Every office we publish a page for in Massachusetts, by town. Each carries what that branch holds, when it opened and the other branches within five miles.
Every credit union with an office in Massachusetts
134 federally insured credit unions run 481 offices in Massachusetts, between them serving 5,723,403 members. 62 carry the NCUA's low-income designation. Figures are from each credit union's own NCUA Call Report.
First Technology — 21 offices in Massachusetts, 1,868,605 members, $28.6bn in assets, net worth ratio 10.51%.
American Airlines — 2 offices in Massachusetts, 388,005 members, $9.45bn in assets, net worth ratio 11.49%.
Service — 1 office in Massachusetts, 383,839 members, $6.63bn in assets, net worth ratio 11.77%.
Baxter — 1 office in Massachusetts, 369,985 members, $6.50bn in assets, net worth ratio 10.10%.
Rockland — 9 offices in Massachusetts, 213,896 members, $3.74bn in assets, net worth ratio 10.44%.
Coastal1 — 1 office in Massachusetts, 146,898 members, $3.47bn in assets, net worth ratio 10.56%.
Usalliance — 2 offices in Massachusetts, 194,175 members, $3.37bn in assets, net worth ratio 8.30%.
Metro — 18 offices in Massachusetts, 215,295 members, $3.30bn in assets, net worth ratio 9.08%.
Workers — 13 offices in Massachusetts, 119,644 members, $2.51bn in assets, net worth ratio 10.04%.
Brightbridge — 28 offices in Massachusetts, 116,769 members, $2.39bn in assets, net worth ratio 10.29%.
Hanscom — 15 offices in Massachusetts, 96,606 members, $2.19bn in assets, net worth ratio 10.35%.
Jeanne D'arc — 11 offices in Massachusetts, 101,712 members, $2.19bn in assets, net worth ratio 9.01%.
A credit union is measured differently from a bank and the numbers are not interchangeable: the net worth ratio here is the NCUA's capital measure under 12 CFR 702, where 7% is well capitalised, and shares are the credit union equivalent of deposits. Membership usually turns on where you live or work, so a local credit union is often open to you even when its name suggests otherwise.
What makes a Massachusetts bank account worth opening
Look at four things in order: the APY (does it beat the FDIC national average of about 0.60%?), the monthly fee (anything above $0 should come with a clear waiver path), the minimum opening deposit, and the membership rule for credit unions. Massachusetts residents typically qualify for at least one large state-chartered credit union on residency alone, and that credit union is often the highest-APY option available locally.
Is my money safe at a Massachusetts bank or credit union?
Yes, if the institution is federally insured. FDIC covers banks up to $250,000 per depositor, per ownership category; NCUA covers credit unions at the same limits. Every institution in this directory carries one of those insurances — the FDIC or NCUA ID is listed on the full provider row.
DCU accepts members nationwide — not just Massachusetts residents. Membership is available through hundreds of employer groups, community organizations, and a charitable-contribution path (typically a one-time $10 donation to a qualifying nonprofit). This makes DCU one of the most accessible credit unions in the country.
Does Massachusetts tax bank-account interest?
Yes. Massachusetts has a flat 5% state income tax that applies to interest income. The state also imposes a separate 4% surtax on income above $1 million (effective 2023), which can push the marginal rate on deposit interest to 9% for very high earners. A 4.85% HYSA nets roughly 2.84% after combined federal and MA state tax for a standard top-bracket earner.
Why does Massachusetts have so many mutual savings banks?
Massachusetts was the birthplace of the American mutual-savings-bank movement in the early 1800s. Many of these institutions — Eastern Bank, Rockland Trust, Webster Five — still operate as depositor-owned mutuals today, which means they return profits to depositors through higher rates and lower fees rather than paying shareholders.
Are Massachusetts state-chartered deposits federally insured?
Yes. All Massachusetts state-chartered banks carry FDIC insurance and credit unions carry NCUA insurance, both up to $250,000 per depositor per ownership category. Additionally, Massachusetts has a unique supplemental insurance program (DIF) that covers deposits above the $250,000 FDIC/NCUA limit at participating state-chartered banks — a rare extra layer of protection.
Rates and fees change frequently. Confirm current figures directly with each institution before applying, and see our editorial methodology for how this directory is built and maintained.