- Catonsville Manor
- Cave Valley
- Cave Valley
- Caves Park
- Caveswood
- Cedar Beach
- Cedar Grove
- Cedarmere
- Cedarside Farm
- Cedarwood Estates
- Chadwick Manor
- Chalet De La Rance
- Chalfone Manor
- Chapel Hill
- Chapel Manor
- Chapel Ridge
- Chapel Valley
- Chapelgate
- Charlesmont
- Chartley
- Chattolanee
- Cherry Valley
- Chesaco Park
- Chesapeake Terrace
- Chesterfield
- Chesterwood
- Chestnut Hill
- Chestnut Ridge
- Cloisters
- Cloverfield