- Gorda
- Guillemot Island
- Greenville
- Georgetown
- Glendale
- Goleta
- Greenfield
- Guadalupe
- Goat Island
- Green Island
- Gaston
- Graniteville
- Galivan
- Galt
- Garden Acres
- Garden Grove
- Gardena
- Gazelle
- Gilberts
- Goggins
- Gold Hill
- Gold Run
- Golden Chain Mobile Home Park
- Gilroy
- Glen Avon
- Glen Ellen
- Glendora
- Gold River
- Golden Hills
- Gonzales