Branch Network
South Shore Bank Locations & Branches South Weymouth, Massachusetts
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South Shore Bank operates 13 branches from its headquarters in South Weymouth, MA, .
South Shore Bank branch network
All 13 branches are in MASSACHUSETTS, across 11 cities. Weymouth, MA has the most of its branches, 2. Its largest office by deposits is its main office in South Weymouth, MA, with $977.5M (44.1% of its branch deposits). It had the same number of branches on June 30, 2025.
South Shore Bank at a glance
Its CET1 capital ratio was 13.87% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $2.52B
- CET1 ratio, Q2 2026
- 13.87%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1833
Full financial profile · Is South Shore Bank safe? · South Shore Bank call report · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: South Weymouth, MA (1 branch) | 1 of 1 | 100.0% | $977.5M |
| State: MA (13 branches) | 25 of 112 | 0.3% | $2.22B |
Ranked by total assets among banks headquartered in the state: Largest banks in Massachusetts.
Share by county and metro area
South Shore Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Norfolk, MA (8 branches) | 8 of 35 | 3.6% | $1.82B | $50.19B |
| Plymouth, MA (5 branches) | 9 of 17 | 2.2% | $400.2M | $18.48B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Boston-Cambridge-Newton, MA-NH (13 branches) | 19 of 99 | 0.4% | $2.22B | $580.15B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| South Shore Bank (main office) | South Weymouth, MA | 02190 | $977.5M |
| Braintree Branch | Braintree, MA | 02184 | $280.1M |
| Norwell Branch | Norwell, MA | 02061 | $170.7M |
| Hunt Street Branch | Weymouth, MA | 02188 | $125.6M |
| Grainte Crossing Branch | Quincy, MA | 02169 | $118.0M |
| Shaws Plaza Branch | East Weymouth, MA | 02189 | $90.4M |
| North Weymouth Branch | Weymouth, MA | 02191 | $79.7M |
| Stoughton Branch | Stoughton, MA | 02072 | $79.1M |
| Previte's Hanover Branch | Hanover, MA | 02339 | $77.6M |
| East Bridgewater Branch | East Bridgewater, MA | 02333 | $72.4M |
| Wollaston Branch | Quincy, MA | 02170 | $67.6M |
| Hingham Branch | Hingham, MA | 02043 | $52.6M |
| Brockton Branch | Brockton, MA | 02301 | $26.9M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 90303) · FFIEC NIC profile (RSSD 772008)