- Chesapeake Heights on the Bay
- Chesapeake Ranch Estates-Drum Point
- Chesapeake Woods
- Chippingwood
- Christiana
- Circles Trailer Park
- Clahamman Hills
- Clearview North
- Cliffs of Calvert
- Coster
- Country Road Estates
- Cove of Calvert
- Cove Point
- Cove Point Woods
- Cove View
- Cox
- Crestwood
- Crow Haven Estates
- Cypress Knolls
- Calvert
- Calvert Acres
- Canal View Estates
- Cardiff
- Carpenter Point
- Cassidy Wharf
- Cathers Corner
- Cayots
- Cecil Manor
- Cecilton Manor Mobile Home Park
- Cedar Hill