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Best Share Certificate Rates at Massachusetts Credit Unions
25 current offers from 4 credit unions. Updated May 24, 2026.
Search by ZIP for nearest branch →| APY | Credit union | Term | Location | Source |
|---|---|---|---|---|
| 5.00% | Health Alliance | Open | Somerville, MA | Site ↗ |
| 3.80% | Health Alliance | 3 mo | Somerville, MA | Site ↗ |
| 3.80% | Health Alliance | 6 mo | Somerville, MA | Site ↗ |
| 3.80% | Health Alliance | 1 yr | Somerville, MA | Site ↗ |
| 3.75% | City Of Boston | Open | South Boston, MA | Site ↗ |
| 3.75% | Health Alliance | 3 mo | Somerville, MA | Site ↗ |
| 3.75% | Health Alliance | 6 mo | Somerville, MA | Site ↗ |
| 3.75% | Health Alliance | 1 yr | Somerville, MA | Site ↗ |
| 3.55% | Health Alliance | 6 mo | Somerville, MA | Site ↗ |
| 3.55% | Health Alliance | 18 mo | Somerville, MA | Site ↗ |
| 3.50% | City Of Boston | Open | South Boston, MA | Site ↗ |
| 3.50% | Health Alliance | 6 mo | Somerville, MA | Site ↗ |
| 3.50% | Health Alliance | 18 mo | Somerville, MA | Site ↗ |
| 3.40% | City Of Boston | Open | South Boston, MA | Site ↗ |
| 3.30% | Luso | Open | Ludlow, MA | Site ↗ |
| 3.30% | Luso | 7 mo | Ludlow, MA | Site ↗ |
| 3.30% | Health Alliance | 1 yr | Somerville, MA | Site ↗ |
| 3.30% | Luso | 15 mo | Ludlow, MA | Site ↗ |
| 3.30% | Health Alliance | 18 mo | Somerville, MA | Site ↗ |
| 3.30% | Health Alliance | 2 yr | Somerville, MA | Site ↗ |
| 3.30% | Health Alliance | 3 yr | Somerville, MA | Site ↗ |
| 3.25% | City Of Boston | Open | South Boston, MA | Site ↗ |
| 3.25% | Health Alliance | 1 yr | Somerville, MA | Site ↗ |
| 3.25% | Health Alliance | 18 mo | Somerville, MA | Site ↗ |
| 3.25% | Health Alliance | 2 yr | Somerville, MA | Site ↗ |