- Saint Johns Mission
- Salt River
- Salt River Pima-Maricopa Indian Community
- San Gabriel
- San Lucy Village
- San Miguel
- San Tan Mobile Village
- Sandalwood
- Sanokai Village
- Santa Grande Mobile Home Park
- Santa Maria
- Santa Maria
- Santiago
- Santo Tomas
- Scottsdale Mobile Home Park
- Scottsdale Ranch
- Scottsdale Trailer Corral
- Serape
- Seven Palms Mobile Home Estates
- Seyenne Vista Mobile Home Park
- Shadow Canyon
- Shadow Hills
- Shadow Hills Mobile Home Park
- Shadow Mountain
- Shadow Mountain Village
- Shadow Mountain Village Scottsdale
- Shadow Ridge II
- Shadow Ridge Mobile Home Park
- Shady Ranch Trailer Lodge
- Sunny Crest Mobile Home Park