Fourth St, Smithtown
- Fourth St Cassidy, Gary Ward
- Fourth St Suffolk County Treasurer
- Fourth St Town, Of Smithtown
- 1 Fourth St Davis, Bernadette
- 6 Fourth St Fennell, John/Joanna
- 7 Fourth St Hofmann, Christopher/Rosemari
- 8 Fourth St Giamanco, Louis
- 9 Fourth St Minter, Sheryl
- 10 Fourth St Benzant, Luis/Christine
- 11 Fourth St Mcmanus, Russell
- 120 Fourth St Kismet Homes, Inc.
- 123 Fourth St Morreale, Nicolas D
- 124 Fourth St Lapocca, Frank
- 127 Fourth St Duffy, Jacquelyn
- 128 Fourth St Losinger-Bonsera, Laura
- 129 Fourth St Seban (Living Trust), Ronald L
- 133 Fourth St Berry, Nicole A
- 134 Fourth St Tortorici-Catala, Angelica
- 135 Fourth St Austin, David/Danielle
- 138 Fourth St Collyer, Jeffrey/Brenda
- 141 Fourth St Market-Schild, Debra C
- 142 Fourth St Jakobson, Gail
- 146 Fourth St Marcello, Robert
- 148 Fourth St O'Dwyer, Daniel/Bessie
- 153 Fourth St Dawson, Robert/Gislaine
- 154 Fourth St Dorrian, Joseph/Kathleen
- 155 Fourth St Zhao, Selina
- 158 Fourth St Quinn, Christine
- 160 Fourth St Sforza, Marianne
- 161 Fourth St 161 Fourth Llc
- 176 Fourth St Rudolph, Maura
- 188 Fourth St Whalen, John/Catherine
- 199 Fourth St Nilson (Irrev Trst), Sharon
- 200 Fourth St Carnevale, Carmine/April
- 210 Fourth St Mady (Irrev Trst), Thomas/Deborah
- 211 Fourth St Tomasic, Lauren C
- 212 Fourth St Harris, Jeffrey/Loretta
- 216 Fourth St Saravia, Jose A
- 217 Fourth St Guthrie, Valerie A
- 221 Fourth St Marzigliano, James
- 229 Fourth St Cantrell, Steven M
- 230 Fourth St Ritter, Brian/Laura
- 231 Fourth St Wozny, Edward R
- 232 Fourth St Sjogren, Paul
- 233 Fourth St Polizzi (Irrev Trst), Marion
- 234 Fourth St Bisso, Robert/Lissette
- 244 Fourth St Suffolk County
- 247 Fourth St Dorn, Joan
- 248 Fourth St Mc Grath, Christine
- 249 Fourth St Isaksson, Family Trust, Jeanne
- 253 Fourth St Pasfield, Krista J
- 257 Fourth St Rubino, Jonathan/Jennifer
- 262 Fourth St Vigliotti, Louis
- 272 Fourth St Gouch, Mark
- 275 Fourth St Alessi, Samantha
- 296 Fourth St Larsen, Megan J