Barrios de Maryland S
- Sabina Mattfeldt (1)
- Saint Helena (1)
- Saint Joseph's (6)
- Sandtown-Winchester (13)
- Savage-Guilford (3)
- Seabrook (5)
- Seat Pleasant (3)
- Selby-on-the-Bay (2)
- Selwyn Farms (1)
- Seton Hill (1)
- Sharp Leadenhall (13)
- Shipley Hill (6)
- Silver Spring Park (40)
- South Clifton Park (1)
- South Four Corners (1)
- South Gate (4)
- South Kensington (6)
- South Laurel (17)
- St. Charles (48)
- Stadium Area (1)
- Station North Arts District (22)
- Stonegate Frederick (1)
- Stonewood-Penwood-Winston (3)
- Suitland - Silver Hill (18)
- Sumner (8)