Worst buildings in Marine Park, Brooklyn

2959 Nostrand Avenue has the most open HPD violations per 10 units of any graded rental building with 6 or more units in Marine Park: 108.3 per 10 units, 65 open in all, 12 of them class C.

Graded rental buildings with 6 or more units, ranked by open NYC HPD housing code violations per 10 units, the same rule as the citywide list. Co-ops, condos and public housing (NYCHA) are left out. Only buildings with an HPD violation issued in the last 24 months or a 311 housing complaint in the last 12 are listed. Class C means immediately hazardous. Records as of Oct 26, 2026.

#AddressUnitsOpen per 10 unitsOpen violationsGradeOwner
12959 Nostrand Avenue6108.365 (12 class C)FIndividual owner
23720 Flatlands Avenue623.314 (4 class C)FIndividual owner
33724 Flatlands Avenue63.32 (0 class C)ANot on file
41089 East 73rd Street240.82 (0 class C)ASANDY BERGEN LLC (City program owner (HDFC))
51073 East 73rd Street240.82 (0 class C)CSANDY BERGEN LLC (City program owner (HDFC))
61086 Bergen Avenue240.82 (0 class C)BSANDY BERGEN LLC (City program owner (HDFC))
71054 Bergen Avenue240.82 (1 class C)CSANDY BERGEN LLC (City program owner (HDFC))
85905 Strickland Avenue980.44 (0 class C)BSJV 1 MILL BASIN LLC

The full list for Marine Park, up to 100 buildings. Each row is the record, not a verdict.

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.