FDIC-insured bank

Chelsea Groton Bank

Bank headquartered in Groton, Connecticut.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$1.75 billion
Total deposits
$1.19 billion
Branches
14
FDIC-insured since
1960
Established
1854

Headquarters and contact

Address904 Poquonnock Rd
Groton, CT 06340
CountySoutheastern Connecticut
Websitewww.chelseagroton.com
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate18238
Federal Reserve RSSD ID345309
StatusActive
Charter classSI (STATE)
OwnershipMutual
Domestic offices14
Financials as ofJune 30, 2026

Routing number

FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.chelseagroton.com.
See how your odds compare before you apply at Chelsea Groton Bank.

Offices nearest to headquarters

Chelsea Groton Bank main office
Groton, CT
904 Poquonnock Rd, 06340
Center Groton Branch
Groton, CT
904 Poquonnock Rd, 06340
New London Branch
New London, CT
1 Montauk Ave, 06320
Waterford Branch
Waterford, CT
157 Boston Post Rd, 06385
Mystic Branch
Mystic, CT
2 Water St, 06355
Mystic Autobank Express Branch
Mystic, CT
50 N Stonington Rd, 06355
Niantic Branch
Niantic, CT
21 Pennsylvania Ave, 06357
West Main Street Branch
Norwich, CT
444 W Main St, 06360
Downtown Norwich Branch
Norwich, CT
55 Main St, 06360
North Stonington Branch
North Stonington, CT
391 Norwich Westerly Rd, 06359
Norwichtown Branch
Norwich, CT
50 Town St, 06360
Pawcatuck Branch
Pawcatuck, CT
116 W Broad St, 06379
14 offices in total. Browse them by city through the state pages.

Where Chelsea Groton Bank has offices