- Gomez
- Grace
- Gibsonville
- Grass Flat
- Gillis
- Gottsville
- Grass Lake
- Goat Island
- Grizzly Island
- Goat Rock
- Grant
- Gualala Point Island
- Guernewood
- Guernewood Park
- Gull Rock
- Gilliam Place
- Griffin Place
- Globe Mill
- Graham Place
- Gillete
- Globe
- Goodale
- Grant Grove Village
- Guernsey Mill
- Gibbs Ranch
- Goldmont Forest
- Greenley Oaks
- Groveland-Big Oak Flat (historical)
- Golden Oaks Mobile Estates
- Golden Oaks Mobile Home Park