- McMicken
- McQueen
- Meadowvale
- Meridiancheri Mobile Home Park
- Mesa Grande Trailer Ranch
- Mesa Patios
- Mesa Shadows East Mobile Home Park
- Mesa Shadows Mobile Home Park
- Mesa Travelodge Mobile Home Park
- Mesa Village Mobile Home Park
- Michigan Palms Mobile Home Park
- Michigan Trailer Park
- Midges Court
- Minnesota Court
- Mirador
- Mission Monterey
- Mission Valley
- Mobile Gardens Mobile Home Park
- Moivayi
- MonDak Mobile Home Park
- Montara
- Montclair Terrace
- Montecito Mobile Home Estates
- Montezuma
- Moon Valley Canyon
- Moon Valley Mobile Home Estates
- Morado Encanto
- Mountain Gate Mobile Home Park
- Mountain Shadows Mobile Homes Park
- Mountain View Meadows