BLOCK 1223 LLC: NYC buildings and housing record
BLOCK 1223 LLC is the owner of record on HPD property registrations for 11 NYC buildings (22 units), which have 1 open HPD violations, 0 of them class C, as of Oct 26, 2026.
Across the portfolio: 0 housing complaints to 311 in the last 12 months, 0 executed evictions in 3 years and 0 reported bedbug infestations in 3 years. 0 buildings are graded D or F; the average StreetSpy score is 99/100. Class C means immediately hazardous.
Registered head officers
- THOMAS GENNARELLI (11 buildings)
Managing agents
- SI NORTHSHOER ENTERPRISES LLC (5 buildings)
- SI NORTHSHORE ENTERPRISES LLC (3 buildings)
- SI NORTHSHORE ENTERPRISES (1 buildings)
- SINORTHSHORE ENTERPRISES LLC (1 buildings)
- SINORTHSHORE ENTERPRISES LLC, (1 buildings)
Buildings in this portfolio
| Address | Area | Units | Open violations | Grade |
|---|---|---|---|---|
| 186 Netherland Avenue | Mariners Harbor | 2 | 1 | A |
| 184 Netherland Avenue | Mariners Harbor | 2 | 0 | A |
| 188 Netherland Avenue | Mariners Harbor | 2 | 0 | A |
| 190 Netherland Avenue | Mariners Harbor | 2 | 0 | A |
| 192 Netherland Avenue | Mariners Harbor | 2 | 0 | A |
| 371 Union Avenue | Mariners Harbor | 2 | 0 | A |
| 373 Union Avenue | Mariners Harbor | 2 | 0 | A |
| 375 Union Avenue | Mariners Harbor | 2 | 0 | A |
| 377 Union Avenue | Mariners Harbor | 2 | 0 | A |
| 379 Union Avenue | Mariners Harbor | 2 | 0 | A |
| 381 Union Avenue | Mariners Harbor | 2 | 0 | A |
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.