Credit union · NCUA insured
Suffolk Credit Union
A $2.1B credit union, the 258th largest of 4,329, headquartered in Medford, NY, with 72,569 members and 10 branches in New York. Best rates: CDs 1.90% and savings 0.25% APY.
Suffolk Credit Union Carrot Score
77
Carrot Score
Higher than 45% of U.S. banks and credit unions
#85 of 161 in New York, NY-NJ metroHow the score works →
Deposits are federally insured by the NCUA up to $250,000 per depositor.
About Suffolk Credit Union
- Headquarters
- 3681 Horseblock Rd, Medford, NY 11763-2242
- NCUA charter
- 17914
Branches
10 branches in New York
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New York
10 branches
- Medford BranchMain office3681 Horseblock Rd, Medford, NY 11763Directions
- Commack Branch6150 Jericho Tpke, Commack, NY 11725Directions
- Eastport Branch5 Eastport Manor Rd # 25, Eastport, NY 11941Directions
- Islandia Branch1282 Motor Pkwy, Islandia, NY 11749Directions
- Miller Place Branch691 Route 25A, Miller Place, NY 11764Directions
- Port Jefferson Branch200 Belle Terre Rd, Port Jefferson, NY 11777Directions
- Riverhead Branch2 Enterprise Zone Dr, Riverhead, NY 11901Directions
- Sayville Branch213 N Main St, Sayville, NY 11782Directions
- Southampton Branch850 County Road 39, Southampton, NY 11968Directions
- West Babylon Branch50 Route 109 # 110, West Babylon, NY 11704Directions
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
| Measure | This credit union | Peers’ middle | Strongest quarter |
|---|---|---|---|
| CapitalNet worth ratio | 8.54% | 10.86% | 12.59% or more |
| Troubled loans60+ days late | 0.52% | 0.70% | 0.46% or less |
| ProfitabilityReturn on assets | 0.53% | 0.82% | 1.16% or more |
| LendingLoans per $100 deposited | $79 | $88 | — |
- CapitalNet worth ratio8.54%Peers’ middle 10.86% · Top 25% 12.59%+
- Troubled loans60+ days late0.52%Peers’ middle 0.70% · Top 25% ≤0.46%
- ProfitabilityReturn on assets0.53%Peers’ middle 0.82% · Top 25% 1.16%+
- LendingLoans per $100 deposited$79Peers’ middle $88
Compared with the 479 credit unions with $1 billion or more 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 Suffolk Credit Union are confidential. These figures are what it reports to the NCUA each quarter, set beside its peers; they aren’t a rating.