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Main Street Bank
✓ FDIC-insured · Active FDIC Certificate #90235
Main Street Bank is an FDIC-insured state-chartered savings institution, headquartered in Marlborough, Massachusetts, established in 1860. As of the 06/30/2026 FDIC call report, it reported $1.7B in total assets and $1.4B 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 MAIN STREET GROUP BANCSHARES MHC (Marlborough, MA).
Financial data as of the 06/30/2026 FDIC call report.
Where it operates
All 6 of Main Street Bank's FDIC-listed offices are in Massachusetts. Browse banks in Marlborough for other local options.
Branch locations
| Main Street Bank North Middlesex Svgs Br · Full Service - Brick And Mortar | 7 Main St Ayer, MA 01432 Map ↗ |
| Main Street Bank Main Street Bank · Full Service - Brick And Mortar | 81 Granger Blvd Marlborough, MA 01752 Map ↗ |
| Main Street Bank Pepperell Branch · Full Service - Brick And Mortar | 80 Main St Pepperell, MA 01463 Map ↗ |
| Main Street Bank Southborough Branch · Full Service - Brick And Mortar | 6 E Main St Southborough, MA 01772 Map ↗ |
| Main Street Bank Northborough Branch · Full Service - Brick And Mortar | 101 W Main St Northborough, MA 01532 Map ↗ |
| Main Street Bank Hudson Branch · Full Service - Brick And Mortar | 186 Main St Hudson, MA 01749 Map ↗ |
Holding company: MAIN STREET GROUP BANCSHARES MHC
The FDIC lists MAIN STREET GROUP BANCSHARES MHC, based in Marlborough, MA, as the top holding company for Main Street Bank. The FDIC shows no other active insured banks under the same holding company.
Similar-size banks in Massachusetts
Active FDIC-insured banks headquartered in Massachusetts with total assets closest to Main Street Bank's $1.7B. See all banks in Massachusetts.
| Bank | HQ city | Assets | Offices |
|---|---|---|---|
| Fall River Five Cents Savings Bank | Fall River | $1.9B | 18 |
| North Easton Savings Bank | South Easton | $1.8B | 14 |
| Cape & Coast Bank | Yarmouth Port | $1.7B | 11 |
| Everett Co-operative Bank | Everett | $1.7B | 3 |
| East Cambridge Savings Bank | Cambridge | $1.7B | 12 |
| Bluestone Bank | Raynham | $1.6B | 11 |
| Newburyport Five Cents Savings Bank | Newburyport | $1.6B | 12 |
| Greenfield Savings Bank | Greenfield | $1.5B | 9 |
Main Street Bank: common questions
Is Main Street Bank FDIC-insured?
Yes. Main Street Bank is an active FDIC-insured institution, FDIC Certificate #90235. Deposits are insured up to $250,000 per depositor, per ownership category. You can confirm this on FDIC BankFind.
Where is Main Street Bank headquartered?
Main Street Bank is headquartered at 81 Granger Blvd, Marlborough, MA 01752, according to FDIC records.
How many branches does Main Street Bank have?
FDIC location data lists 6 offices for Main Street Bank, all in Massachusetts.
Who owns Main Street Bank?
The FDIC lists MAIN STREET GROUP BANCSHARES MHC of Marlborough, MA as the top holding company for Main Street Bank.
Source: FDIC BankFind Suite (institution, location, and call report data). BankNearMe.com does not rank or rate banks.