William St, Mount Vernon
- William St Chieffo,Michele
- 11 William St Chieffo,Michelle
- 12 William St Dupree, Marcia
- 19 William St 19 William St.Owners
- 20 William St Melissa Court Owners,Inc
- 32 William St Vitiello, Matthew
- 33 William St 125th 33 William Llc
- 34 William St Gherardi, Mary (L.E.)
- 38 William St Greges, Peter B.
- 40 William St Mayne, Kevin
- 42 William St Fearon, Simone
- 46 William St Fresella, Nicholas &
- 52 William St Miceli, John
- 52 William St Miceli, John
- 60 William St Fleet Realty
- 60 William St Fleet Realty
- 71 William St 71 William Street
- 72 William St Gelbard, Arthur
- 85 William St Cjm William St Llc