Zachary Kadden: head officer on HPD registrations
Zachary Kadden is named as head officer on the HPD property registrations of 10 NYC buildings (775 units), which have 49 open HPD violations, 12 of them class C, as of Oct 24, 2026.
Grouped automatically from HPD registration filings by name and business address. Different people can share a name; report an error. This group: registrations with a business address in New York NY 10017.
The same name is also filed at 4 other business addresses: New York NY 10022 (16 buildings); Brooklyn NY 11205 (1 building); Brooklyn NY 11205 (1 building); Bronx NY 10471 (1 building).
Buildings
| Address | Area | Units | Open violations | Grade |
|---|---|---|---|---|
| 300 10th Street | Park Slope | 27 | 20 (2 class C) | F |
| 78 Prospect Park West | Park Slope | 41 | 8 (5 class C) | D |
| 304 10th Street | Park Slope | 25 | 7 (1 class C) | D |
| 1419 8th Avenue | Park Slope | 15 | 6 (2 class C) | D |
| 273 South 2nd Street | Williamsburg | 10 | 5 (1 class C) | C |
| 392 Clinton Avenue | Clinton Hill | 16 | 3 (1 class C) | B |
| 223 Avenue C | East Village | 197 | 0 | A |
| 65 Dupont Street | Greenpoint | 206 | 0 | A |
| 75 Dupont Street | Greenpoint | 194 | 0 | A |
| 891 1st Avenue | Turtle Bay | 44 | 0 | A |
How landlord totals are counted.
Sources: NYC HPD housing maintenance code violations, HPD property registrations and housing litigation, 311 service requests, DOB violations, NYC Marshals evictions, and HPD bedbug filings from NYC Open Data, plus rent-stabilized unit counts from NYC Department of Finance tax bills. How grades work.