BranchWatch

Credit unions · Connecticut

Cornerstone

NCUA-insuredfederal charterlow-income designated

Headquartered in Fairfield, Connecticut. Chartered in 1934. Charter number 24977.

Total assets
$67M
Members
4,421
Shares & deposits
$58M
Net worth ratio
10.50%
net worth / assets

Locations (4)

Fairfieldmain officeCorporate Office

1515 Black Rock Tpke, Fairfield, CT 06825 map

2033661336ATMMember services

mon, tue 8:30 - 4:00, Wed 10:00-4:00, Thur, Fri 8:30 - 5:00

StamfordBranch Office

242 Hope St, Stamford, CT 06906 map

2033242144ATMMember services

Mon, Tue, Fri 8:30 - 4:15, Wed 10:00 - 4:15, Thur 8:30 - 7:00

WallingfordBranch Office

88 S Main St, Wallingford, CT 06492 map

2032942015ATMMember services

iday 8:30AM?4:30PM Saturday Closed Sunday Closed Monday 8:30AM?3PM Tuesday 8:30AM?3PM Wednesday 8:30AM?5PM Thursday 8:30AM?5PM

BethelBranch Office

155 Greenwood Ave Bldg B, Bethel, CT 06801 map

2037788676Member services

Monday 9 3Tures 9-3Weds 9-3Thurs 9-3Fri 9-3

Transcribed from NCUA call-report data (cycle 2026-03). Phone numbers and hours are as reported to the NCUA and can lag reality — verify before visiting. Share deposits are NCUA-insured up to $250,000 per member.