Jacob Seidenfeld: head officer on HPD registrations

Jacob Seidenfeld is named as head officer on the HPD property registrations of 6 NYC buildings (357 units), which have 196 open HPD violations, 44 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.

Buildings

AddressAreaUnitsOpen violationsGrade
3100 Brighton 7th StreetBrighton Beach6052 (12 class C)F
2026 Ocean AvenueMidwood5739 (6 class C)D
3033 Coney Island AvenueBrighton Beach7435 (11 class C)D
2055 Ocean AvenueMidwood5434 (3 class C)D
3130 Brighton 7th StreetBrighton Beach6524 (6 class C)B
1340 East 9th StreetMidwood4712 (6 class C)C

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.