Fairfield, CT
Credit union Cornerstone
Cornerstone is a federally insured credit union based in Fairfield, Connecticut.
- Type
- Credit union
- Charter
- Federally chartered credit union
- Primary regulator
- NCUA
- Established
- January 1, 1934
- Headquarters
- Fairfield, CT
- NCUA charter #
- 24977
- Fed RSSD ID
- 958071
$66.7M
Total assets Data as of Q1 2026
$58.5M
Total deposits Data as of Q1 2026
4
Branch locations Data as of Q1 2026
4,421
Members Data as of Q1 2026
1.06%
Return on assets Data as of Q1 2026
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Cornerstone operates 4 branch locations in Connecticut. Select a state to drill down to its towns and individual branches.
Ownership
Cornerstone is not currently recorded under a holding company in the federal data — it appears to be independently held. See its structure & merger history for any past changes.
Other credit unions in Connecticut
Federally insured credit unions headquartered in Connecticut, by total assets.
- American Eagle Financial $2.76B
- Connecticut State Employees $2.7B
- Charter Oak $1.7B
- Sikorsky Financial $1.44B
- Connex $1.04B
- Nutmeg State Financial $885.2M
- Coreplus $671.3M
- Dutch Point $560M
Similar-size credit unions
Institutions close to Cornerstone’s $66.7M in assets.
- A.B.D. $66.7M
- Moline Municipal $66.7M
- Wvu Employees $66.7M
- Eagle Express $66.8M
- Florence $66.6M
- Electel Cooperative $66.5M