- Oak at Wasatch Place
- Oak City
- Oak Creek
- Oak Creek Hills
- Oak Creek Residential Area
- Oakcliff Park Two
- Oakcrest
- Oakdale
- Oakeson Villa
- Oakleaf
- Oakley
- Oakridge Country Club Estates
- Oakridge Farms
- Oakridge Place
- Oakridge Village
- Oakridge Village Condominium
- Oakview Estates Subdivision Number 1
- Oakview Estates Subdivision Numbers 2,3 and 4
- Oakwood Acres
- Oakwood Estates Subdivision
- Oakwood Park Condo
- Oasis
- Ogden
- Ogden Canyon Wildwood Estates
- Old Colony
- Old Farm Estates
- Old Irontown
- Old La Sal
- Old Limber Pine
- Old Mill Subdivision Phase 1-3