W William St, Islip
- 3 W William St Beverly Hamrlicek
- 4 W William St Charles & Mary Knoth
- 7 W William St Gladys M Perfecto
- 8 W William St Anthony W & Maria L Cummings
- 9&9a W William St Richard W Schneider
- 10 W William St Yasarah Razor &
- 11 W William St Suburban Housing Development
- 12 W William St Malerie Green
- 14 W William St Barbara Softye
- 15 W William St Fernando&Carolyn Burrello
- 16 W William St Patricia A Jones
- 17 W William St Olga Elizabeth Castillo
- 18 W William St Heriberto Amaya-Velasquez
- 19 W William St Muhammad J Miah
- 20 W William St Gabriel Rodriguez &
- 21 W William St Carlos Ramirez
- 23 W William St Oscar Campos &