- Reading Island
- Rector
- Red Apple
- Red Bank
- Red Corral
- Red Dog
- Red Fir
- Red Mountain
- Red Rock
- Redbanks
- Redcrest
- Redding Lakeside Mobile Estates
- Redman
- Redwood Corral
- Redwood Estates
- Redwood Grove
- Redwood Junction
- Redwood Lodge
- Redwood Lodge
- Redwood Park
- Redwood Terrace
- Redwood Valley
- Redwoods
- Reed
- Reef Station
- Reeves Place
- Reeves Place
- Regina Heights
- Reilly Heights
- Relief