Branch Network
Dedham Institution for Savings Locations & Branches Dedham, Massachusetts
BankRegReports is independent of Dedham Institution for Savings and never asks for online banking logins or passwords.
Dedham Institution for Savings operates 15 branches from its headquarters in Dedham, MA, . Its main office is at 55 Elm St, Dedham, MA 02026.
Dedham Institution for Savings branch network
All 15 branches are in MASSACHUSETTS, across 9 cities. Dedham, MA has the most of its branches, 5. Its largest office by deposits is its main office in Dedham, MA, with $854.2M (41.5% of its branch deposits). On June 30, 2025 it had 14 branches, 1 fewer than in 2026.
Dedham Institution for Savings at a glance
Its CET1 capital ratio was 14.04% at Q3 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q3 2026
- $2.64B
- CET1 ratio, Q3 2026
- 14.04%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q3 2026, FFIEC 051
- Established
- 1831
Full financial profile · Is Dedham Institution for Savings safe? · Dedham Institution for Savings 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: Dedham, MA (5 branches) | 1 of 9 | 40.3% | $1.01B |
| State: MA (15 branches) | 29 of 112 | 0.3% | $2.06B |
Ranked by total assets among banks headquartered in the state: Largest banks in Massachusetts.
Share by county and metro area
Dedham Institution for Savings'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 (13 branches) | 7 of 35 | 3.9% | $1.95B | $50.19B |
| Suffolk, MA (1 branch) | 25 of 35 | <0.1% | $94.4M | $381.68B |
| Middlesex, MA (1 branch) | 41 of 42 | <0.1% | $16.1M | $83.13B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Boston-Cambridge-Newton, MA-NH (15 branches) | 21 of 99 | 0.4% | $2.06B | $580.15B |
Deposits by county
Every county where Dedham Institution for Savings has branches (3 in all), from the June 30, 2026 Summary of Deposits: the bank's deposits, its share of all FDIC-insured deposits in the county, its rank and its branch count there. Largest deposits first.
Show all 3 counties
| County | Branches | Deposits | Share | Rank |
|---|---|---|---|---|
| Norfolk, MA | 13 | $1.95B | 3.9% | 7 of 35 |
| Suffolk, MA | 1 | $94.4M | <0.1% | 25 of 35 |
| Middlesex, MA | 1 | $16.1M | <0.1% | 41 of 42 |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Dedham Institution for Savings (main office) | Dedham, MA | 02026 | $854.2M |
| Walpole Branch | Walpole, MA | 02081 | $246.2M |
| Needham Branch | Needham, MA | 02492 | $217.0M |
| Norwood Branch | Norwood, MA | 02062 | $183.5M |
| Westwood Branch | Westwood, MA | 02090 | $173.3M |
| Sharon Branch | Sharon, MA | 02067 | $97.0M |
| South Boston Branch | South Boston, MA | 02127 | $94.4M |
| East Dedham Branch | Dedham, MA | 02026 | $80.5M |
| Dedham Square Branch | Dedham, MA | 02026 | $50.3M |
| Online Branch | Dedham, MA | 02026 | $18.7M |
| Highland Avenue Branch | Needham, MA | 02494 | $17.8M |
| Carleton Willard Branch | Bedford, MA | 01730 | $16.1M |
| New Bridge Branch | Dedham, MA | 02026 | $3.8M |
| Del Pond Drive Branch | Canton, MA | 02021 | $3.4M |
| New Pond Village Branch | Walpole, MA | 02081 | $1.7M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 23620) · FFIEC NIC profile (RSSD 193809)