MountainOne Bank
North Adams, MA · Insured depository institution
Sonar Score
Watch
out of 100 · from public FDIC data
Reported March 31, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.
Key figures
- Total assets
- $1.1B
- Total deposits
- $789.4M
- Branches
- 6
- Return on assets
- 1.08%
- Return on equity
- 6.86%
- Charter type
- Insured depository institution
- Established
- 1848
- FDIC cert #
- 90253
How the 58 breaks down
Capital ratio not reported.
Strong returns on its asset base.
Positive but moderate equity returns.
Mid-size institution.
Your deposits at MountainOne Bank
MountainOne Bank is an FDIC-insured institution (Cert #90253). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →
6 branch locations
795 Main St
Williamstown, MA 01267
279 Union St
Rockland, MA 02370
93 Main St
North Adams, MA 01247
54 Front St
Scituate, MA 02066
77 Granite St
Quincy, MA 02169
111 Silver Lake Blvd
Pittsfield, MA 01201
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