520 4th Avenue
520 4th Avenue in Carroll Gardens, Brooklyn, has 86 open HPD violations, 20 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (32/100).
Multi-family walk-up · 8 units · Built 1931
StreetSpy grade: F (Severe, 32/100)
- 20 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.
- 8 heat or hot water complaints to 311 in the last 12 months.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: High (86 open, 20 class C), records as of Oct 26, 2026
- Heat and hot water: 8 complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
- Safety: Medium (2 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)
86 open violations: 20 class C (immediately hazardous), 61 class B, 5 class A. 82 issued in the last 12 months. 519 on record. Oldest open violation issued 2007-08-28. Newest violation issued 2026-09-30.
17 closed in the last 90 days. Median 120 days from issue to close for the 142 violations closed 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: Leak or water damage, ceiling, bathroom, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 6, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 6), issued 2026-09-30. HPD violation 19257278
- Class C: Self-closing door not working (hallway). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY, issued 2026-09-30. HPD violation 19257280
- Class C: Door, lock or intercom defect (hallway). , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING CONSISTING OF LOCKABLE SLIDE BOLTS AT HATCH TO ROOF AT SCUTTLE LADDER AT PUBLIC HALL, 4th STORY, issued 2026-05-19. HPD violation 18933116
- Class C: Damaged plaster or paint, ceiling. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT CEILING AT BASEMENT, issued 2026-03-24. HPD violation 18732450
- Class C: No heat / heating defect (basement). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE DOOR AND FRAME AT DOOR TO BOILER ROOM AT BASEMENT, issued 2026-03-24. HPD violation 18732437
- Class C: Self-closing door not working (basement). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE EXIT DOOR TO REAR YARD AT BASEMENT, issued 2026-03-24. HPD violation 18732446
- Class C: Roof defect (hallway). , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING CONSISTING OF (2) PADLOCKABLE SLIDE BOLTS AT HATCH TO ROOF AT SCUTTLE LADDER AT PUBLIC HALL, 4th STORY, issued 2026-03-24. HPD violation 18732435
- Class C: Damaged plaster or paint, 1st window from the south, west wall, kitchen, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCES AT UPPER SASH AT 1ST WINDOW FROM SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 6, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 6), issued 2026-03-24. HPD violation 18732465
311 housing complaints
31 in the last 12 months, 143 in 5 years. Most common: Plumbing (9), Heat/Hot Water (8), Unsanitary Condition (6), Door/Window (5), Paint/Plaster (3).
Bedbugs
The owner reported 0 infested units in the last 3 years of filings. 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: Owner reported 0 infested units
- 2024: Owner reported 0 infested units
- 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)
2 open DOB violations, 1 of them Local Law violations issued before 2000. 2 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: 520-522 4TH AVE LLC. Head officer: JOSEPH SAFDIE. Managing agent: JSAF MANAGEMENT LLC. This owner has 11 buildings on record, 6 graded D or F. See the full portfolio.
Last HPD registration Sep 10, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3010330039, HPD building ID 129193. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Prospect Av (R), 4 min walk
- 4 Av-9 St (F, G), 4 min walk
- 4 Av-9 St (R), 5 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 86 open (20 class C, 61 class B, 5 class A). 3 rent-impairing | −45 |
| 311 housing complaints (12 mo) | 31 | −20 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 2 open DOB violations, 1 of them Local Law violations issued before 2000 | −3 |
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.