Flats on First
80.00 ORA® Score Updated September 2026
Community facts
- Location
- Cambridge, MA
- Address
- 21 Charles Street, 02141
- Units
- 136
- Type
- conventional
About this listing
ORA® scores apartment communities using real resident experience data. Photos and detailed insights for Flats on First haven’t been published yet — the score and community facts on this page are live and kept current.