- Capay
- Capay
- Cape Horn
- Cape Horn
- Cape Horn
- Capetown
- Capistrano Beach
- Capital Hill
- Capitan
- Capitola
- Caravan Mobile Home Park
- Carbona
- Carbondale
- Card Place
- Cardiff-by-the-Sea
- Carefree Mobile Village
- Caribou
- Carlotta
- Carlsbad
- Carlton
- Carmel
- Carmel-by-the-Sea
- Carmel Highlands
- Carmel Valley
- Carmel Valley Manor
- Carmel Valley Village
- Carmen City
- Carmenita
- Carmet
- Carmichael