591 4th Avenue
591 4th Avenue in Sunset Park, Brooklyn, has 39 open HPD violations, 7 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 · 3 units · Built 1910
StreetSpy grade: F (Severe, 49/100)
- 130 open HPD violations per 10 units, about 13 per apartment. The grade is F for that alone.
- 7 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 5 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 (39 open, 7 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: High (1 open DOB violation), records as of Oct 26, 2026
- Registration: Expired Sep 1, 2025, records as of Oct 3, 2026
Housing code violations (HPD)
39 open violations: 7 class C (immediately hazardous), 25 class B, 6 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 43 on record. Oldest open violation issued 2007-05-04. Newest violation issued 2026-04-30.
HPD recorded no violation closed here in the last 12 months.
5 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: No heat / heating defect (hallway). D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR., issued 2008-06-05. HPD violation 945357
- Class C: D26-10.01 ADM CODE MAKE SAFE BY PROPERLY REPAIRING THE STRUCTURAL DEFECT 3 ROTTED CLG JOIST CELLAR AT CENTER ER1., issued 2008-06-05. HPD violation 945347
- Class C: Door, lock or intercom defect (entrance). SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK INSTALLED 2 STY NORTH APT 2 ENTRANCE DOOR. LOCATED AT APT 2 (apt 2), issued 2007-05-04. HPD violation 945390
- Class C: No heat / heating defect (hallway). POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR CELLAR., issued 2007-05-04. HPD violation 945387
- Class C: No hot water, bathroom. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES 2 STY NORTH APT 2 KITCHEN & BATHROOM. LOCATED AT APT 2 (apt 2), issued 2007-05-04. HPD violation 945386
- Class C: Door, lock or intercom defect (entrance). SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK INSTALLED ENTRANCE TO 2 STY NORTH APT 2. , SECTION '' '' (apt 2), issued 2007-05-04. HPD violation 945383
- Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM CELLAR DOOR PADLOCKED., issued 2007-05-04. HPD violation 945388
- Class B: Missing or broken smoke / CO detector. REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE 2 STY APT 2 WILMOR. , SECTION '' '' (apt 2), issued 2008-06-05. HPD violation 945379
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)
1 open DOB violation. 1 DOB violation 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: MOHAMMAD HARIS. See the full portfolio.
Last HPD registration Sep 10, 2024. HPD registration expired Sep 1, 2025 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.
Tax lot and city IDs
BBL 3006280001, HPD building ID 129345. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Prospect Av (R), 1 min walk
- 4 Av-9 St (F, G), 8 min walk
- 25 St (R), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 39 open (7 class C, 25 class B, 6 class A, 1 class I). 5 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 | 1 open DOB violation | −5 |
| Density cap | 130 per 10 units (about 13 per apartment). Grade capped at F: 100 or more open HPD violations per 10 units. | −1 |
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.