- Sequoya Bend
- Serbin
- Serenada
- Serendipity Way Colonia
- Serene Acres Colonia
- Seth
- Seth Ward
- Settegast
- Settlers Village
- Seven Heart Crossing
- Seven Knobs
- Seven L Crossing
- Seven Oaks
- Seven Pines
- Seven Points
- Seven Sisters
- Sevenmile Corner
- Seventeen Mile Crossing
- Seventh Street Addition Colonia
- Seville Park Number 1 Colonia
- Seward Junction
- Sexton
- Sexton City
- Seymore
- Seymour
- SH 88-14 North-6 West Colonia
- SH 88-15 North-4 West Colonia
- Shadow Glen
- Shadow Lake Estates
- Shadow Oaks