Isaac Friedman: head officer on HPD registrations
Isaac Friedman is named as head officer on the HPD property registrations of 1 NYC building (2 units), which have 47 open HPD violations, 2 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. This group: registrations with a business address in Brooklyn NY 11210.
The same name is also filed at 3 other business addresses: Brooklyn NY 11219 (1 building); Brooklyn NY 11219 (1 building); New York NY 10029 (1 building).
Buildings
| Address | Area | Units | Open violations | Grade |
|---|---|---|---|---|
| 1643 East 21st Street | Midwood | 2 | 47 (2 class C) | F |
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.