Ian Lagowitz: head officer on HPD registrations
Ian Lagowitz is named as head officer on the HPD property registrations of 33 NYC buildings (1,393 units), which have 4,900 open HPD violations, 1,469 of them class C, as of Oct 26, 2026.
Grouped automatically from HPD registration filings by name and business address. Different people can share a name; report an error.
Buildings
| Address | Area | Units | Open violations | Grade |
|---|---|---|---|---|
| 530 East 169th Street | Claremont Village | 321 | 1,162 (325 class C) | F |
| 2410 Washington Avenue | Belmont | 170 | 607 (187 class C) | F |
| 2120 Tiebout Avenue | Mount Hope | 75 | 439 (118 class C) | F |
| 226 West Tremont Avenue | University Heights | 49 | 343 (119 class C) | F |
| 736 Riverside Drive | Hamilton Heights | 60 | 323 (84 class C) | F |
| 400 Herkimer Street | Bed-Stuy | 154 | 242 (65 class C) | F |
| 2647 Broadway | Upper West Side | 23 | 178 (66 class C) | F |
| 3336 Perry Avenue | Norwood | 27 | 163 (31 class C) | F |
| 1631 Grand Avenue | University Heights | 42 | 157 (75 class C) | F |
| 1786 Topping Avenue | Mount Hope | 43 | 143 (51 class C) | F |
| 452 West 164th Street | Washington Heights | 20 | 143 (55 class C) | F |
| 66 East 190th Street | University Heights | 20 | 114 (15 class C) | F |
| 245 Sullivan Place | Crown Heights | 40 | 112 (27 class C) | F |
| 685 East 234th Street | Wakefield | 6 | 79 (24 class C) | F |
| 503 West 169th Street | Washington Heights | 24 | 77 (42 class C) | F |
| 683 East 234th Street | Wakefield | 6 | 71 (24 class C) | F |
| 609 West 151st Street | Hamilton Heights | 48 | 66 (15 class C) | F |
| 522 West 148th Street | Hamilton Heights | 20 | 61 (21 class C) | F |
| 704 Eagle Avenue | Melrose | 8 | 61 (11 class C) | F |
| 712 West 180th Street | Washington Heights | 21 | 50 (8 class C) | F |
| 1738 East 4th Street | Gravesend | 6 | 47 (16 class C) | D |
| 521 West 180th Street | Washington Heights | 21 | 42 (15 class C) | F |
| 3820 Broadway | Washington Heights | 37 | 37 (7 class C) | D |
| 166 East 104th Street | East Harlem | 8 | 34 (10 class C) | F |
| 214 Hull Street | Ocean Hill | 8 | 33 (17 class C) | F |
| 247 New York Avenue | Crown Heights | 9 | 29 (8 class C) | D |
| 561 West 144th Street | Hamilton Heights | 20 | 25 (11 class C) | F |
| 168 East 104th Street | East Harlem | 8 | 14 | F |
| 72 East 190th Street | University Heights | 19 | 13 (8 class C) | D |
| 505 West 135th Street | West Harlem | 21 | 10 (3 class C) | C |
| 212 Hull Street | Ocean Hill | 8 | 9 (4 class C) | F |
| 51 Hamilton Place | Hamilton Heights | 29 | 9 (4 class C) | D |
| 554 West 148th Street | Hamilton Heights | 22 | 7 (3 class C) | B |
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.