660 4th Avenue
660 4th Avenue in Sunset Park, Brooklyn, has 45 open HPD violations, 5 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (52/100).
Condo · Multi-family walk-up · 23 units · Built 1920
A condominium: each apartment has its own owner, so the landlord is an individual unit owner, and the building's record mixes many owners. Condo units are not rent-stabilized.
StreetSpy grade: D (Poor, 52/100)
- 5 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- 3 heat or hot water complaints to 311 in the last 12 months.
- A condo: the landlord is the individual unit owner; units are not rent-stabilized.
- Repairs: High (45 open, 5 class C), records as of Oct 26, 2026
- Heat and hot water: 3 complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 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)
45 open violations: 5 class C (immediately hazardous), 30 class B, 10 class A. 0 issued in the last 12 months. 63 on record. Oldest open violation issued 2008-06-18. Newest violation issued 2025-03-12.
HPD recorded no violation closed here in the last 12 months.
2 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 (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM CELLAR DOOR LOCKED., issued 2008-06-18. HPD violation 946271
- 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., issued 2008-06-18. HPD violation 946265
- Class C: No hot water, bathroom. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES 3 STY APT KITCHEN & BATHROOM., issued 2008-06-18. HPD violation 946269
- 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., issued 2008-06-18. HPD violation 946270
- 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., issued 2008-06-18. HPD violation 1411426
- Class B: Mold, ceiling, bathroom, 2nd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THEN 10 SQFT OF MOLD AT CEILING IN THE BATHROOM LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 17402639 ISSUED 06-NOV-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 2R), issued 2025-03-12. HPD violation 17760258
- Class B: Mold, floor, kitchen, 2nd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ FT AT FLOOR UNDER SINK IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 17389073 ISSUED 01-NOV-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 2R), issued 2025-03-04. HPD violation 17743686
- Class B: Mold, ceiling, bathroom, 2nd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ FT AT CEILING IN THE BATHROOM LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 17389076 ISSUED 01-NOV-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 2R), issued 2025-03-04. HPD violation 17743687
311 housing complaints
3 in the last 12 months, 11 in 5 years. Most common: Heat/Hot Water (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: Owner reported 0 infested units
- 2022: Owner reported 0 infested units
- 2021: Owner reported 0 infested units
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 (0 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: 660 FOURTH CONDOMINIUM. Head officer: PAT MOCKOWILSON. Managing agent: BPC MANAGEMENT CORP.. See the full portfolio.
Last HPD registration Aug 27, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3006367501, HPD building ID 129433. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Prospect Av (R), 3 min walk
- 25 St (R), 6 min walk
- 4 Av-9 St (F, G), 11 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 45 open (5 class C, 30 class B, 10 class A). 2 rent-impairing | −40 |
| 311 housing complaints (12 mo) | 3 | −8 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
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.