Knapp Pl, Southold
- 170 Knapp Pl Nenopoulos, James C
- 205 Knapp Pl Acri, Gabriel
- 230 Knapp Pl Corazzini, Cathleen E
- 255 Knapp Pl Lakowitz, Adriene M
- 315 Knapp Pl Sanders, Charles J
- 455 Knapp Pl Amiri, Brigitte
- 525 Knapp Pl White, Edmund H
- 565 Knapp Pl Peterson, Douglas A
- 605 Knapp Pl Zurek, Stanley
- 620 Knapp Pl Fitts, Alan O
- 645 Knapp Pl Harris, Clifford J
- 680 Knapp Pl Zingone, Lorne
- 685 Knapp Pl Harrison, Doris
- 720 Knapp Pl Harris, Clifford J
- 755 Knapp Pl Waller, Simon
- 770 Knapp Pl Gonzalez, Scott
- 800 Knapp Pl Jkmd Llc