Branch Network
Thomaston Savings Bank Locations & Branches Thomaston, Connecticut
BankRegReports is independent of Thomaston Savings Bank and never asks for online banking logins or passwords.
Thomaston Savings Bank operates 16 branches from its headquarters in Thomaston, CT, .
Thomaston Savings Bank branch network
All 16 branches are in CONNECTICUT, across 13 cities. Thomaston, CT has the most of its branches, 2. Its largest office by deposits is its main office in Thomaston, CT, with $189.2M (11.2% of its branch deposits). It had the same number of branches on June 30, 2025.
Thomaston Savings Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 10.68% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $1.93B
- Tier 1 leverage ratio, Q2 2026
- 10.68%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1874
Full financial profile · Is Thomaston Savings Bank safe? · Thomaston Savings 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: Thomaston, CT (2 branches) | 1 of 2 | 74.9% | $278.1M |
| State: CT (16 branches) | 16 of 46 | 0.9% | $1.69B |
Ranked by total assets among banks headquartered in the state: Largest banks in Connecticut.
Share by county and metro area
Thomaston Savings 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 |
|---|---|---|---|---|
| Naugatuck Valley, CT (12 branches) | 4 of 16 | 10.7% | $1.33B | $12.45B |
| Capitol, CT (3 branches) | 17 of 24 | 0.4% | $193.6M | $52.67B |
| Northwest Hills, CT (1 branch) | 9 of 9 | 4.6% | $162.5M | $3.56B |
Metro area share: not on file. None of this bank's branches sit in a metropolitan or micropolitan area in the FDIC branch directory.
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Thomaston Savings Bank (main office) | Thomaston, CT | 06787 | $189.2M |
| Harwinton Branch | Harwinton, CT | 06791 | $162.5M |
| Middle Street Branch | Bristol, CT | 06010 | $161.0M |
| Watertown Branch | Watertown, CT | 06795 | $159.9M |
| Terryville Branch | Terryville, CT | 06786 | $120.0M |
| Farmington Branch | Farmington, CT | 06032 | $116.9M |
| Waterbury Branch | Waterbury, CT | 06708 | $109.3M |
| Middlebury Branch | Middlebury, CT | 06762 | $105.5M |
| Farmington Avenue Bristol Branch | Bristol, CT | 06010 | $99.3M |
| Highland Avenue Waterbury Branch | Waterbury, CT | 06708 | $98.5M |
| Bethlehem Branch | Bethlehem, CT | 06751 | $91.7M |
| South Main Street Branch | Thomaston, CT | 06787 | $88.9M |
| Wolcott Branch | Wolcott, CT | 06716 | $77.9M |
| Unionville Branch Office | Unionville, CT | 06085 | $43.8M |
| New Britain Branch | New Britain, CT | 06052 | $32.9M |
| Oakville Branch | Oakville, CT | 06779 | $31.6M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 18258) · FFIEC NIC profile (RSSD 120609)