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MountainOne Bank
✓ FDIC-insured · Active FDIC Certificate #90253
MountainOne Bank is an FDIC-insured state-chartered savings institution, headquartered in North Adams, Massachusetts, established in 1848. As of the 06/30/2026 FDIC call report, it reported $1.1B in total assets and $774M in deposits. FDIC location data lists 6 offices in Massachusetts. The FDIC classifies it as a community bank. It is owned by the holding company MOUNTAINONE FINANCIAL MHC (North Adams, MA).
Financial data as of the 06/30/2026 FDIC call report.
Where it operates
All 6 of MountainOne Bank's FDIC-listed offices are in Massachusetts. Browse banks in North Adams for other local options.
Branch locations
| MountainOne Bank Williamstown Savings Bank Branch · Full Service - Brick And Mortar | 795 Main St Williamstown, MA 01267 Map ↗ |
| MountainOne Bank South Coastal Main Off · Full Service - Brick And Mortar | 279 Union St Rockland, MA 02370 Map ↗ |
| MountainOne Bank Mountainone Bank · Full Service - Brick And Mortar | 93 Main St North Adams, MA 01247 Map ↗ |
| MountainOne Bank Scituate Branch · Full Service - Brick And Mortar | 54 Front St Scituate, MA 02066 Map ↗ |
| MountainOne Bank Quincy Branch · Full Service - Brick And Mortar | 77 Granite St Quincy, MA 02169 Map ↗ |
| MountainOne Bank Pittsfield Branch · Full Service - Brick And Mortar | 111 Silver Lake Blvd Pittsfield, MA 01201 Map ↗ |
Holding company: MOUNTAINONE FINANCIAL MHC
The FDIC lists MOUNTAINONE FINANCIAL MHC, based in North Adams, MA, as the top holding company for MountainOne Bank. It also owns one other FDIC-insured bank:
- Mechanics Cooperative Bank, Taunton, MA ($899M in assets)
FDIC deposit insurance applies separately to each insured bank charter, even when they share a holding company. Confirm the charter before you spread deposits.
Similar-size banks in Massachusetts
Active FDIC-insured banks headquartered in Massachusetts with total assets closest to MountainOne Bank's $1.1B. See all banks in Massachusetts.
| Bank | HQ city | Assets | Offices |
|---|---|---|---|
| MutualOne Bank | Framingham | $1.2B | 3 |
| Reading Co-operative Bank | Reading | $1.2B | 13 |
| Pentucket Bank | Haverhill | $1.1B | 6 |
| Winchester Savings Bank | Winchester | $1.1B | 6 |
| Cape Ann Savings Bank | Gloucester | $1.1B | 4 |
| OneLocal Bank | Norwood | $1.1B | 4 |
| Adams Community Bank | Adams | $1.0B | 10 |
| Coastal Heritage Bank | Weymouth | $984M | 10 |
MountainOne Bank: common questions
Is MountainOne Bank FDIC-insured?
Yes. MountainOne Bank is an active FDIC-insured institution, FDIC Certificate #90253. Deposits are insured up to $250,000 per depositor, per ownership category. You can confirm this on FDIC BankFind.
Where is MountainOne Bank headquartered?
MountainOne Bank is headquartered at 93 Main St, North Adams, MA 01247, according to FDIC records.
How many branches does MountainOne Bank have?
FDIC location data lists 6 offices for MountainOne Bank, all in Massachusetts.
Who owns MountainOne Bank?
The FDIC lists MOUNTAINONE FINANCIAL MHC of North Adams, MA as the top holding company for MountainOne Bank. The same holding company owns 1 other FDIC-insured bank.
Source: FDIC BankFind Suite (institution, location, and call report data). BankNearMe.com does not rank or rate banks.