Third Ave, Smithtown
- Third Ave St James Evangelical Lutheran
- 230 Third Ave Mazzeo, John/Julianne
- 245 Third Ave Pontecorvo, John
- 247 Third Ave Kocka, Kenneth
- 248 Third Ave Santoro, Giovanni Carlo
- 262 Third Ave Manno, Jacqueline B
- 263 Third Ave Van Gostein, Faith A
- 265 Third Ave Filipowicz, Jason
- 266 Third Ave Quiocho, Gilbert
- 267 Third Ave Williams, Daniel/Stacey
- 273 Third Ave Gleason, Francis/Esther
- 275 Third Ave Magri (Revo Trst), Joann P
- 276 Third Ave Cook, Edward I
- 277 Third Ave Ferrara, Kathleen
- 280 Third Ave Kearney, Allison J
- 282 Third Ave Dicarlo, Marianne
- 288 Third Ave Rocco, Mercedes
- 297 Third Ave Sausele (Life Estate), Jeffery/Lisa
- 298 Third Ave Austin, Thomas
- 299 Third Ave Montrose, Robert S
- 300 Third Ave Augugliaro, Dominick/Virginia
- 302 Third Ave Kalafut, Andrea
- 306 Third Ave Walz, Karl E
- 307 Third Ave Witkowski, William
- 311 Third Ave Roggenkamp, Robert/Lynda
- 312 Third Ave Redmond, Kevin/Kathy
- 315 Third Ave Gannon, James/Karen
- 316 Third Ave Hewitt, Vincent
- 322 Third Ave Gombert, Leonard/Sandra
- 336 Third Ave Colucci, Martin/Lisa
- 337 Third Ave Markowski (2021 Irrevtrst), Boleslaw
- 339 Third Ave Guadagno , John/Anne
- 340 Third Ave Cerullo, Peter/Laura