Helen Ave, Smithtown
- Helen Ave Panico, Donato Jr
- Helen Ave Panico Family Inc
- 1 Helen Ave Kassay, Paul
- 9 Helen Ave Musto, Anthony/Samantha
- 11 Helen Ave Sgambati, Marisa Leigh
- 12 Helen Ave Masone, James
- 14 Helen Ave Mckee, Gary/Mary
- 18 Helen Ave Kodela, Ravinder
- 19 Helen Ave Harris, Sean/Nicole
- 24 Helen Ave Cardona, Miguel/Luisa
- 28 Helen Ave Szymanski, Tara/Jesse
- 30 Helen Ave Brentwood Realty Holdingcorp
- 33 Helen Ave Stone, Brett L/Jaime A
- 35 Helen Ave Manion, Julia
- 36 Helen Ave Abbate, Michael
- 44 Helen Ave Russo, Fredrick/Carol
- 45 Helen Ave Ordonez, Nadia Cerro
- 48 Helen Ave Winepol, Michael
- 49 Helen Ave Henze, Duff/Diane
- 54 Helen Ave Manaseri, Robert
- 55 Helen Ave Ortega, Miladys/Adelfo
- 56 Helen Ave Nappo, Patsy/Christine
- 57 Helen Ave Zimmerman, Steven/Stefanie
- 58 Helen Ave Cutietta, Matthew
- 60 Helen Ave Loverdi, Michael
- 64 Helen Ave Tracy, Michael/Laura
- 65 Helen Ave Nur, Mohammed
- 67 Helen Ave Valentine, Stacy
- 68 Helen Ave Hergenhan, Virgina
- 72 Helen Ave Caballero, Nicolas E