NATHAN SIONY: NYC buildings and housing record
NATHAN SIONY is the owner of record on HPD property registrations for 3 NYC buildings (8 units), which have 7 open HPD violations, 2 of them class C, as of Oct 26, 2026.
Across the portfolio: 3 housing complaints to 311 in the last 12 months, 0 executed evictions in 3 years and 0 reported bedbug infestations in 3 years. 2 buildings are graded D or F; the average StreetSpy score is 65/100. Class C means immediately hazardous.
Managing agents
- 9619 CHURCH AVENUE LLC (1 buildings)
Buildings in this portfolio
| Address | Area | Units | Open violations | Grade |
|---|---|---|---|---|
| 9619 Church Avenue | East Flatbush | 4 | 5 (2 class C) | D |
| 4708 Church Avenue | East Flatbush | 2 | 1 | C |
| 4710 Church Avenue | East Flatbush | 2 | 1 | D |
How landlord totals are counted. Report an error.
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.