Credit union · NCUA insured
Sound Federal Credit Union
A $116.1M credit union headquartered in Norwalk, CT, with 8,361 members and 3 branches in Connecticut. Best rates: CDs 3.56% and savings 0.50% APY.
Sound Federal Credit Union Carrot Score
62
Carrot Score
Higher than 7% of U.S. banks and credit unions
#33 of 38 in Bridgeport, CT metroHow the score works →
Deposits are federally insured by the NCUA up to $250,000 per depositor.
About Sound Federal Credit Union
Sound Federal Credit Union was founded and chartered in 1952 as Stamford Municipal Employees Credit Union to serve the Stamford city workforce and their families.
The member-owned credit union serves Fairfield County, New Haven County, and Litchfield County in Connecticut.
- Headquarters
- 37 North Ave, Norwalk, CT 06851
- NCUA charter
- 24705
Membership
Who can join
This may be incomplete or out of date, so check with the credit union before you apply.
Where you live or work
- Eligible if you live, work, worship, volunteer, or receive your education in Fairfield County, New Haven County, or Litchfield County.
Family and household
- Eligible if you have a family member related by blood or marriage who already has a Sound Membership.
Cost to join
- Open membership savings with as little as $1.
Branches
3 branches in Connecticut
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Connecticut
3 branches
- Main OfficeMain office37 North Ave, Norwalk, CT 06851Directions
- Stamford Branch888 Washington Blvd, Stamford, CT 06901Directions
- Stamford Stop & Shop2200 Bedford St, Stamford, CT 06905Directions
Walk-in offices from the NCUA directory as of March 31, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.
Financial details
Well capitalizedas reported to the NCUA
| Measure | This credit union | Peers’ middle | Strongest quarter |
|---|---|---|---|
| CapitalNet worth ratio | 7.60% | 11.43% | 13.58% or more |
| Troubled loans60+ days late | 1.43% | 0.68% | 0.39% or less |
| ProfitabilityReturn on assets | 1.49% | 0.75% | 1.18% or more |
| LendingLoans per $100 deposited | $83 | $76 | — |
- CapitalNet worth ratio7.60%Peers’ middle 11.43% · Top 25% 13.58%+
- Troubled loans60+ days late1.43%Peers’ middle 0.68% · Top 25% ≤0.39%
- ProfitabilityReturn on assets1.49%Peers’ middle 0.75% · Top 25% 1.18%+
- LendingLoans per $100 deposited$83Peers’ middle $76
Compared with the 1,338 credit unions with $100 million to $1 billion in assets. The strongest quarter is what the best 25% of them reach: more capital and profit, fewer troubled loans. Lending has no better end.Troubled loans are loans 60 or more days late.
Regulators’ own ratings of Sound Federal Credit Union are confidential. These figures are what it reports to the NCUA each quarter, set beside its peers; they aren’t a rating.