421 Herzl Street
421 Herzl Street in Brownsville, Brooklyn, has 85 open HPD violations, 17 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (49/100).
Multi-family walk-up · 4 units · Built 1930
StreetSpy grade: F (Severe, 49/100)
- 212.5 open HPD violations per 10 units, about 21 per apartment. The grade is F for that alone.
- 17 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: Grade capped at F (85 open, 17 class C), records as of Oct 26, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
- Safety: Clear (No open DOB violations), records as of Oct 26, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
85 open violations: 17 class C (immediately hazardous), 30 class B, 38 class A. 1 issued in the last 12 months. 111 on record. Oldest open violation issued 2003-06-27. Newest violation issued 2026-05-04.
HPD recorded no violation closed here in the last 12 months.
3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.
- Class C: Self-closing door not working, 2nd floor. , 2007, 204.1 HMC CODE: ARRANGE AND MAKE SELF-CLOSING THE DOORS IN THE ENTRANCE LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2F), issued 2020-01-22. HPD violation 13558284
- Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCK DOOR TO BOILER ROOM AT CELLAR, issued 2019-12-09. HPD violation 13482588
- Class C: Self-closing door not working (hallway). , 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS AT VESTIBULE AT PUBLIC HALL, 1st STORY, issued 2019-10-21. HPD violation 13343882
- Class C: Self-closing door not working, 2nd floor. , 2007, 204.1 HMC CODE: ARRANGE AND MAKE SELF-CLOSING THE DOORS ... IN THE ENTRANCE LOCATED AT APT FLOOR2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt FLOOR2), issued 2019-10-21. HPD violation 13343857
- Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT FLOOR2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt FLOOR2), issued 2019-10-21. HPD violation 13343862
- Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT FLOOR2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt FLOOR2), issued 2019-10-21. HPD violation 13343863
- Class C: Gas defect, kitchen, 2nd floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT FLOOR2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt FLOOR2), issued 2019-10-21. HPD violation 13343849
- Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR, issued 2019-10-21. HPD violation 13343953
311 housing complaints
0 in the last 12 months, 0 in 5 years.
Bedbugs
No bedbug filing on record for the last 3 years. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.
- 2026: No bedbug filing on record for this year
- 2025: No bedbug filing on record for this year
- 2024: No bedbug filing on record for this year
- 2023: No bedbug filing on record for this year
- 2022: No bedbug filing on record for this year
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
No open DOB violations. 0 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: 421 HERZL STREET 3 LLC. Head officer: MOHAMED A ALNASSAR. Managing agent: 421 HERZL STREET 3 LLC. See the full portfolio.
Last HPD registration Jun 30, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3035980016, HPD building ID 311873. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Saratoga Av (3), 5 min walk
- Rockaway Av (3), 6 min walk
- Junius St (3), 12 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 85 open (17 class C, 30 class B, 38 class A). 3 rent-impairing | −45 |
| 311 housing complaints (12 mo) | None | 0 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
| Density cap | 212.5 per 10 units (about 21 per apartment). Grade capped at F: 100 or more open HPD violations per 10 units. | −6 |
Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.