Washington Blvd, Smithtown
- Washington Blvd Olsen, Keith
- 1 Washington Blvd Stumpo , Nicholas/Courtney
- 3 Washington Blvd Marra, James F
- 7 Washington Blvd Warne, Daniel Jr
- 8 Washington Blvd Rail, Jane M
- 9 Washington Blvd Fusco, Matthew/Melinda
- 10 Washington Blvd Mc Guinness, John/Alice
- 11 Washington Blvd Tloczkowski, Joseph
- 12 Washington Blvd Tinney, Michael J
- 14 Washington Blvd Cimino, Dennis
- 15 Washington Blvd Petrosino, James A
- 16 Washington Blvd Modica, Joseph/Kathleen
- 17 Washington Blvd Heinz, Caitlin L
- 17 Washington Blvd Meyer, Edward/Susan
- 19 Washington Blvd Cevoli, Louis
- 20 Washington Blvd Molinaro, Antonio
- 21 Washington Blvd Brengel, Nicholas/Michelle
- 22 Washington Blvd Gross, Matthew
- 23 Washington Blvd Faber, Lori A
- 23 Washington Blvd Silva, Stephanie
- 24 Washington Blvd First Commack Llc
- 25 Washington Blvd Mundinger, , Patricia
- 31 Washington Blvd Brandenberger, Janette L
- 33 Washington Blvd Schubert, Daniel
- 34 Washington Blvd Martinez, Andrew
- 34 Washington Blvd Laines, Carlos/Malia
- 35 Washington Blvd Tamayo-Huancayo, Yvonne
- 36 Washington Blvd Skimelis, Patricia Ann
- 37 Washington Blvd Leinwand, Steven
- 37 Washington Blvd Powell, Dean
- 40 Washington Blvd Freedman, Barry/Josephine
- 41 Washington Blvd Mcdonald, Christopher
- 47 Washington Blvd Lombardo, Gregg
- 51 Washington Blvd Rossi Irrev Family Trst, Ignazio/Concetta
- 59 Washington Blvd O'Connell, William
- 60 Washington Blvd 60 Washington, Llc
- 70 Washington Blvd Catizone, Michael
- 72 Washington Blvd Kaplan, Barry/Lisa Konecky
- 74 Washington Blvd Dogan, Yunus/Iclal
- 79 Washington Blvd Hasson, Adam/Susan
- 81 Washington Blvd Roggenkamp, Charles/Marie
- 86 Washington Blvd Scelza, Jerome/Sabrina
- 87 Washington Blvd Schoepfer, Karalyn
- 90 Washington Blvd Kresh, Michael/Glenda
- 92 Washington Blvd Tripoli, Maria Francesca
- 93 Washington Blvd Stingelin, Erich/Lindsay
- 95 Washington Blvd Benhalima, Soufyane
- 96 Washington Blvd Siegel, Scott/Melissa
- 100 Washington Blvd Burgos, Fernando/Aurora
- 102 Washington Blvd Azzara, Joseph
- 104 Washington Blvd Shen, Metying
- 106 Washington Blvd Mueller, Robert/Lisa
- 110 Washington Blvd Gentile (Irrev Liv Trst), Maureen
- 111 Washington Blvd Giacalone, Joseph
- 112 Washington Blvd Ciotti, Daniel/Susan
- 114 Washington Blvd Wicklow, Elizabeth
- 115 Washington Blvd Burke, John
- 116 Washington Blvd Kofler (Family Trust), Ronald/Jill
- 117 Washington Blvd Davis (Irrev Trst), Robert/Leslie
- 119 Washington Blvd Olivenbaum (Irrev Trst), Neil/Ruth
- 120 Washington Blvd Cresswell, William/Eileen
- 122 Washington Blvd D'Agostino, Richard/Andrea
- 123 Washington Blvd Sanford, Michael/Joanna
- 125 Washington Blvd Bevilacqua, Steven/Kristina
- 129 Washington Blvd Mohr, Cindy
- 131 Washington Blvd Martinez, Gilbert
- 133 Washington Blvd Browne, Christopher
- 135 Washington Blvd Nolan, John/Nancy
- 137 Washington Blvd Philippe, David
- 139 Washington Blvd Blaskey, Christopher/Alexandr
- 141 Washington Blvd Grbie, Robert/Olivia
- 143 Washington Blvd Wesolowski, Zolzislaw/Miroslawa