- Green Brae
- Green Valley Lake
- Greenacres
- Grimes
- Grizzly Flat
- Grommet
- Grossmont
- Groveland
- Grover City
- Gualala
- Guasti
- Guatay
- Guinda
- Gateley
- Glen Frazer
- Gilberts
- Glenridge Park
- Gold Hill
- Gold Ridge
- Gold Trail Park
- Greenwood
- Griminger
- Grizzly Peak
- Giffen Cantua Ranch
- Glorietta
- Goodmill
- Gordon
- Gravesboro
- Grapit
- Greenwood