Branch Network
Bath Savings Institution Locations & Branches Bath, Maine
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Bath Savings Institution operates 12 branches from its headquarters in Bath, ME, .
Bath Savings Institution branch network
All 12 branches are in MAINE, across 10 cities. Falmouth, ME has the most of its branches, 2. Its largest office by deposits is its main office in Bath, ME, with $540.9M (46.9% of its branch deposits). It had the same number of branches on June 30, 2025.
Bath Savings Institution at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 15.76% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $1.50B
- Tier 1 leverage ratio, Q2 2026
- 15.76%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 041
- Established
- 1852
Full financial profile · Is Bath Savings Institution safe? · Bath Savings Institution 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: Bath, ME (1 branch) | 1 of 3 | 79.5% | $540.9M |
| State: ME (12 branches) | 15 of 29 | 2.5% | $1.15B |
Ranked by total assets among banks headquartered in the state: Largest banks in Maine.
Share by county and metro area
Bath Savings Institution'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 |
|---|---|---|---|---|
| Sagadahoc, ME (1 branch) | 1 of 4 | 66.1% | $540.9M | $818.3M |
| Cumberland, ME (9 branches) | 10 of 19 | 3.1% | $501.4M | $16.13B |
| Lincoln, ME (2 branches) | 4 of 5 | 5.2% | $112.0M | $2.14B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Portland-South Portland, ME (10 branches) | 9 of 23 | 4.6% | $1.04B | $22.79B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Bath Savings Institution (main office) | Bath, ME | 04530 | $540.9M |
| Brunswick Branch | Brunswick, ME | 04011 | $148.0M |
| Freeport Branch | Freeport, ME | 04032 | $137.5M |
| Falmouth Branch | Falmouth, ME | 04105 | $66.7M |
| Damariscotta Branch | Damariscotta, ME | 04543 | $63.0M |
| Yarmouth Branch | Yarmouth, ME | 04096 | $59.0M |
| Portland Branch | Portland, ME | 04103 | $57.4M |
| Boothbay Harbor | Boothbay Harbor, ME | 04538 | $49.0M |
| South Portland Branch | South Portland, ME | 04106 | $19.3M |
| Westbrook Branch Office | Westbrook, ME | 04092 | $11.2M |
| Oceanview Retirement Com. Branch | Falmouth, ME | 04105 | $2.2M |
| Park Danforth Branch | Portland, ME | 04103 | $70K |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 17749) · FFIEC NIC profile (RSSD 433505)