209 4th Avenue
209 4th Avenue in Park Slope, Brooklyn, has 17 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (52/100).
Mixed residential & commercial · 6 units · Built 1920
StreetSpy grade: D (Poor, 52/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The head officer on this registration is named on 2 buildings' registrations; 2 graded D or F.
More open violations per unit than 7 in 10 Brooklyn buildings this size.
- Repairs: High (17 open, 1 class C), records as of Oct 26, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
- Safety: Medium (1 open DOB violation), records as of Oct 26, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
17 open violations: 1 class C (immediately hazardous), 6 class B, 10 class A. 1 issued in the last 12 months. 46 on record. Oldest open violation issued 2016-01-11. Newest violation issued 2026-04-30.
HPD recorded no violation closed here in the last 12 months.
1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.
- Class C: Door, lock or intercom defect, 3rd floor. SECTION 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR , IN THE ENTRANCE LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2016-01-11. HPD violation 11066981
- Class B: Items blocking a hallway or exit (hallway). , 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT PUBLIC HALL, 4th STORY, issued 2025-10-20. HPD violation 18310051
- Class B: Mold, south wall, 4th room from the north, 3rd floor. HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... ( APPROXIMATELY 3 SQ. FT ) AT SOUTH WALL IN THE 4th ROOM FROM NORTH LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3L), issued 2018-09-27. HPD violation 12598486
- Class B: Damaged plaster or paint, south wall, 4th room from the north, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH WALL IN THE 4th ROOM FROM NORTH LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3L), issued 2018-09-25. HPD violation 12601793
- Class B: Damaged plaster or paint, kitchen, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3L), issued 2018-09-25. HPD violation 12601796
- Class B: Damaged plaster or paint, bathroom, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2016-01-11. HPD violation 11066978
- Class B: Leak or water damage, ceiling, bathroom, 3rd floor. SECTION 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2016-01-11. HPD violation 11066976
- Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2026-04-30. HPD violation 18846866
311 housing complaints
0 in the last 12 months, 7 in 5 years.
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: No bedbug filing on record for this year
- 2023: No bedbug filing on record for this year
- 2022: Owner reported 0 infested units
- 2021: Owner reported 0 infested units
Buildings department (DOB)
1 open DOB violation, a Local Law violation issued before 2000. 7 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: TRIPLE AG CORP. Head officer: GUR ALTBERG. Managing agent: TRIPLE AG.CORP. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.
Last HPD registration Sep 4, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3009520002, HPD building ID 128941. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Union St (R), 1 min walk
- Bergen St (2, 3), 9 min walk
- Atlantic Av-Barclays Ctr (D, N, R), 9 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 17 open (1 class C, 6 class B, 10 class A). 1 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, a Local Law violation 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.