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Mass Bay Credit Union


TODAY'S FEATURED RATES
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
3.60%
Our Rating
4.3  / 5
American Express
American Express® High Yield Savings Account
See Offer
Sponsored Note: Interest compounds daily, deposited monthly
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
3.80%
Our Rating
4.2  / 5
SoFi® Bank, N.A.
SoFi Checking and Savings
See Offer
Sponsored Note: Earn up to 3.80% APY and up to $300 with direct deposit. Members can unlock our highest savings rate with direct deposit OR by depositing $5,000 or more every 30 days. Terms apply. Member FDIC
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
4.31%
Our Rating
4.0  / 5
Vio Bank
Cornerstone Money Market
See Offer
Sponsored Note: Interest is compounded daily, growing your money fast
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
3.50%
Our Rating
4.4  / 5
Capital One
360 Performance Savings
See Offer
Sponsored Note: It only takes about 5 minutes to open a fee-free account. Member FDIC.
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
4.44%
Our Rating
4.3  / 5
Peak Bank
Envision High Yield Savings
See Offer
Sponsored Note: Member FDIC: Insured up to $250,000. $100 Deposit Earns Interest Immediately.
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
4.00%
Our Rating
4.2  / 5
CIT Bank
Platinum Savings
See Offer
Sponsored Note: Earn more with a min. balance of $5K. Savings starts at $100. FDIC Insured.
Member FDIC
Bonus Amount
up to $300
Our Rating
4.2  / 5
SoFi® Bank, N.A.
SoFi Checking and Savings
See Offer
Sponsored Note: Earn up to $300 with direct deposit, plus 2-day-early-pay. FDIC insured!
Overview / Commentary
www.massbaycu.org
617-269-2700
147 W 4th St
South Boston, MA 02127

Mass Bay Credit Union is headquartered in South Boston and is the 32nd largest credit union in the state of Massachusetts. It is also the 918th largest credit union in the nation. It was established in 1936 and as of March of 2025, it had grown to 48 employees and 18,128 members at 4 locations. Mass Bay Credit Union's CD rates are 4X the national average, and it has an A health rating.

Field of Membership Restrictions

Membership in Mass Bay Credit Union is open to those who live, work, or attend a school, college, or university, or belongs to a labor organization located within the Massachusetts counties of Middlesex, Norfolk, or Suffolk, or the Massachusetts communities of Abington, Brockton, Hanover, Hingham, Lynn, Marshfield, Norwell, Peabody, Rockland, Saugus, Scituate, or Whitman. Current or former employees of MBTA, MassDOT, or the Massachusetts State Police also qualify for membership. Immediate family members of membership-eligible individuals are eligible to join.
See current membership details

Reviews

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Health
A

Data as of Q1 2025

Learn why bank health matters

Health Grade Components

Overall
NCUA #68137
Year Chartered1936
Employees48
Primary Regulator
Profit Margin
Return on Assets - YTD0.36%
Return on Equity - YTD3.71%
Annual Interest Income$4.1MM
Assets and Liabilities
AssetsQ1 2025vs Q1 2024$362.3MM$357.1MM
LoansQ1 2025vs Q1 2024$296.7MM$293.3MM
DepositsQ1 2025vs Q1 2024$255.2MM$250.4MM
Equity CapitalQ1 2025vs Q1 2024$35.2MM$32.9MM
Loan Loss AllowanceQ1 2025vs Q1 2024$523K$440K
Unbacked Noncurrent LoansQ1 2025vs Q1 2024$897K$2.1MM
Real Estate OwnedQ1 2025vs Q1 2024$0$0
TODAY'S FEATURED RATES
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
3.60%
Our Rating
4.3  / 5
American Express
American Express® High Yield Savings Account
See Offer
Sponsored Note: Interest compounds daily, deposited monthly
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
3.80%
Our Rating
4.2  / 5
SoFi® Bank, N.A.
SoFi Checking and Savings
See Offer
Sponsored Note: Earn up to 3.80% APY and up to $300 with direct deposit. Members can unlock our highest savings rate with direct deposit OR by depositing $5,000 or more every 30 days. Terms apply. Member FDIC
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
4.31%
Our Rating
4.0  / 5
Vio Bank
Cornerstone Money Market
See Offer
Sponsored Note: Interest is compounded daily, growing your money fast
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
3.50%
Our Rating
4.4  / 5
Capital One
360 Performance Savings
See Offer
Sponsored Note: It only takes about 5 minutes to open a fee-free account. Member FDIC.
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
4.44%
Our Rating
4.3  / 5
Peak Bank
Envision High Yield Savings
See Offer
Sponsored Note: Member FDIC: Insured up to $250,000. $100 Deposit Earns Interest Immediately.
Member FDIC
APY APY = Annual Percentage Yield Rates as of 7/3/2025
4.00%
Our Rating
4.2  / 5
CIT Bank
Platinum Savings
See Offer
Sponsored Note: Earn more with a min. balance of $5K. Savings starts at $100. FDIC Insured.
Member FDIC
Bonus Amount
up to $300
Our Rating
4.2  / 5
SoFi® Bank, N.A.
SoFi Checking and Savings
See Offer
Sponsored Note: Earn up to $300 with direct deposit, plus 2-day-early-pay. FDIC insured!
Rates
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Always verify rates and promotions with the bank or credit union. We are not Mass Bay Credit Union; we are a rate comparison website and cannot provide official rates or promotions.

* The APY shown varies based on the deposit amount. Expand the listing to see APYs for other deposit amounts.

Mass Bay Credit Union Savings Account Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
0.10%*$10k*-Main Share Account
OTHER TIERS: 0.03% → $5 - $500 | 0.05% → $500 - $10k
0.10%*$10k*-Misc Share Account
OTHER TIERS: 0.03% → $5 - $500 | 0.05% → $500 - $10k
0.10%*$10k*-Business Share
OTHER TIERS: 0.03% → $25 - $500 | 0.05% → $500 - $10k
0.05%$0-Vacation Club Account
0.05%$0-Christmas Club Account

Mass Bay Credit Union Money Market Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
0.80%*$100k*-Money Market Account
OTHER TIERS: 0.05% → $10 - $2.5k | 0.15% → $2.5k - $10k | 0.35% → $10k - $20k | 0.50% → $20k - $50k | 0.60% → $50k - $100k

Mass Bay Credit Union Checking Account Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
0.03%$5-NOW Checking

Mass Bay Credit Union CD Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
4.00%$500$250k6 Month CD
4.00%$500-10 Month CD
3.75%$500$250k12 Month CD
3.75%$500$250k16 Month CD Special
3.65%$500-24 Month CD
3.65%$500-36 Month CD
3.35%$500-60 Month CD
3.00%$500-14 Month CD
3.00%$500-18 Month CD
3.00%$500-48 Month CD
3.00%$500-17 Month CD
2.65%$500-28 Month CD
0.50%$500-3 Month CD

Mass Bay Credit Union IRA Rates

APYMINMAXACCOUNT NAMEVIEW DETAILS
4.00%$500$250k6 Month IRA
4.00%$500-10 Month IRA
3.75%$500$250k12 Month IRA
3.75%$500$250k16 Month IRA
3.65%$500-24 Month IRA
3.65%$500-36 Month IRA
3.35%$500-60 Month IRA
3.00%$500-14 Month IRA
3.00%$500-18 Month IRA
3.00%$500-48 Month IRA
3.00%$500-17 Month IRA
2.65%$500-28 Month IRA
0.50%$500-3 Month IRA
0.10%*$10k*-IRA Share Account
OTHER TIERS: 0.03% → $0 - $500 | 0.05% → $500 - $10k
Locations


Mass Bay Credit Union Locations
Branch Office1250 Hancock StQuincy, MA 02169
Branch Office183 Main StEverett, MA 02149
Branch Office147 W 4th StSouth Boston, MA 02127
Branch Office409 D StreetSouth Boston, MA 02127

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