Main Street Bank
Headquartered in Marlborough, MA. Part of Main Street Group Bancshares Mhc. FDIC certificate #90235 · Federal Reserve RSSD 818401.
Total assets
$1.7B
Deposits
$1.4B
Q2 2026
Active branches
6
Closings since Jan 2020
7
0 openings since Jan 2020
Financial snapshot — Q2 2026
All quarters →Net income (quarter)
$3M
Return on assets
0.63%
Return on equity
5.73%
Noncurrent loan rate
1.69%
Deposits by year (Summary of Deposits)
12019
12020
12021
12022
12023
12024
12025
12026
Values in $ billions, June 30 of each year.
Closings by year
12020
22021
42024
Branches by state
Recent closings
- Main Street Bank — Littleton, MAbank exits city220 GREAT RD · closed October 4, 2024
- 947 MASSACHUSETTS AVE · closed October 4, 2024
- 71 BOSTON POST RD E · closed October 4, 2024
- Main Street Bank — Sudbury, MAbank exits city439 BOSTON POST ROAD · closed October 4, 2024
- Main Street Bank — Groton, MAbank exits city489 MAIN STREET · closed October 30, 2021
- Main Street Bank — Shirley, MAbank exits city95 FRONT STREET · closed October 30, 2021
- Main Street Bank — Westborough, MAbank exits city21 EAST MAIN STREET · closed September 19, 2020
All figures transcribed from FDIC BankFind Suite records: structure-change history, quarterly financial reports and the annual Summary of Deposits · bank site: www.bankmainstreet.com.