Tema
- Sonya Clark-Herrara1
- South County Community Health Center1
- South San Mateo NAACP1
- St. Elizabeth Seton1
- St. John Baptist Church1
- St. John Missionary Baptist Church1
- St. John the Baptist Church1
- St. John's Church1
- St. Samuel's Church1
- St. Vincent DePaul Society1
- St. Vincent de Paul1
- Stan Hall1
- Stanford Black Community Services Center1
- Stanford Golf Course1
- Stanford Law Clinic1
- Stanley Hall1
- Start Up EPA1
- Stephanie Wick1
- Stephen E. Randall1
- Steve Cortez1