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Introducing Mo's Storybook, “How to Climb a Mountain!"

First-time Homebuyer Program

Are you a first-time homebuyer? We have the perfect thing: MountainOne’s $650 First-Time Homebuyer Credit! Ask one of our mortgage lenders for details today!

We've Got You Covered

Have you herd? MountainOne is a strong and stable financial institution, and well positioned for today’s economic environment. As a DIF Member Bank, all deposits with MountainOne are fully insured in excess of existing FDIC coverage. Questions? Don’t fret! Our Mountaineers are here to help. It’s in our nature!

Meet Mo

When it comes to spokesgoats, he’s the G.O.A.T. Mo is a reminder that at MountainOne, banking isn’t just on our minds; it’s in our nature.


MountainOne is proud to be a part of our local communities since 1848. We offer a variety of resources including our Community Dividend Program, financial education outreach and employee volunteer services.


MountainOne is dedicated to the local communities we serve, with a mission of delivering solutions of real value that help individuals, businesses, and community institutions manage their financial lives with clarity and confidence.


We’d move mountains to protect your accounts. That’s why MountainOne invests in enhanced fraud monitoring tools that can help detect unwanted account activity hopefully before it’s too late.

Recent Updates

June 13, 2024

MountainOne a full-service financial institution headquartered in North Adams, MA and serving the Berkshires and Boston’s South Shore, is pleased to announce the promotion of several exceptional employees, also referred...

June 10, 2024

MountainOne is pleased to announce that Seth Shepard of Adams, Massachusetts, has been promoted to financial advisor. In this role, Shepard determines a client’s financial objectives, offers strategic advice on...

SCHEDULED MAINTENANCE: Digital Banking may be unavailable on Sunday, June 16, between 12:00am–4:00am for routine system maintenance. Please submit any transactions before or after this timeframe. Thank you!

HOLIDAY NOTICE: In observance of Juneteenth National Independence Day, all MountainOne offices will be closed Wednesday, June 19. As always, our Digital Banking services are available 24 hours a day.