21st Ave, Islip
- 1 21st Ave Jairo Gomez
- 2 21st Ave Patricia Dowling
- 2a 21st Ave Elizabeth Lim
- 3 21st Ave Gilberto Lemus Jr
- 4 21st Ave Christopher Harvey &
- 5 21st Ave Xavier & Evan Gonzalez &
- 6 21st Ave Christela Saint Victor &
- 7 21st Ave Franklin Cabrera & Ivelisse
- 8 21st Ave Steven Westfall (Le)
- 9 21st Ave Jhazmin Mohammad
- 10 21st Ave William Wilson &
- 11 21st Ave Jayme Alfaro &
- 12 21st Ave Ventura A Blanco &
- 13 21st Ave Herta Muller Trust
- 14 21st Ave Dianne White
- 15 21st Ave Doneil Y Fletcher &
- 16 21st Ave Santos I & Sara Bautista
- 17 21st Ave Progressive Housing Corp
- 18 21st Ave Rosa I Cabrera Zuleta
- 19 21st Ave Jonatan Marte Cespedes &
- 20 21st Ave Muhammad H & Nazma Haider
- 27 21st Ave Larry Honohan
- 28 21st Ave Jasmine Mccullough
- 29 21st Ave Richard Donnery
- 30 21st Ave Jose A Saltos
- 31 21st Ave Progressive Housing Corp
- 32 21st Ave Shaheer Tareen
- 33 21st Ave Priscilla Rodriguez
- 34 21st Ave Muhammad Noaman &
- 35 21st Ave Manuel E Osegueda &
- 36 21st Ave Raymond & Sarah Canaan
- 37 21st Ave Eloisa M Honeycutt
- 38 21st Ave William Duerr Iii &
- 39 21st Ave Howard & Laura Herbst
- 40 21st Ave Juan B Garcia & Pamela Robles
- 41 21st Ave Stenneth Willis &
- 42 21st Ave Barry Jackson & Alexis Thomas
- 43 21st Ave Mary Brienza