- Goshen
- Graeagle
- Grand Terrace
- Granite Bay
- Granite Hills
- Grass Valley
- Graton
- Grayson
- Green Valley
- Gate Place
- Gold Mountain
- Grays Flat
- Greenhorn
- Greenview
- Grenada
- Gridley
- Grover Beach
- Guerneville
- Gustine
- Garnet
- Gavilan Hills
- Gilman Hot Springs
- Glen Valley
- Glenoak Hills
- Glenoaks Country
- Good Hope
- Good Meadow
- Green Acres
- Glenborough
- Grand Island