523 Willoughby Avenue
523 Willoughby Avenue in Bed-Stuy, Brooklyn, has 7 open HPD violations, and 3 of 8 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (53/100).
Multi-family walk-up · 8 units · Built 1910
StreetSpy grade: D (Poor, 53/100)
- 7 open housing violations, none in the most serious class.
- The head officer on this registration is named on 2 buildings' registrations; 2 graded D or F.
- The owner's bedbug filings report no infested units in the last 3 years.
- 3 of 8 units are rent-stabilized.
More open violations per unit than 5 in 10 Brooklyn buildings this size.
- Repairs: Medium (7 open), records as of Oct 26, 2026
- Heat and hot water: 1 complaint, 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)
7 open violations: 0 class C (immediately hazardous), 6 class B, 1 class A. 8 issued in the last 12 months. 47 on record. Oldest open violation issued 2026-09-24. Newest violation issued 2026-09-24.
0 closed in the last 90 days. Median 5 days from issue to close for the 1 violations closed in the last 12 months.
- Class B: Damaged plaster or paint, east wall, bathroom, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT EAST WALL IN THE BATHROOM LOCATED AT APT 2 LOWER LEVEL, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2026-09-24. HPD violation 19238643
- Class B: Damaged plaster or paint, ceiling, 1st room from the north, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND WEST WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 2 LOWER LEVEL, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2026-09-24. HPD violation 19238641
- Class B: Floor or stair defect, 1st room from the north, 2nd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE BUCKLING WOOD FLOOR IN THE 1st ROOM FROM NORTH LOCATED AT APT 2 UPPER LEVEL, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2026-09-24. HPD violation 19238642
- Class B: Leak or water damage, ceiling, 1st room from the north, 2nd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING AND WEST WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 2 LOWER LEVEL, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2026-09-24. HPD violation 19238640
- Class B: Leak or water damage (basement). , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEAILING AT BASEMENT, issued 2026-09-24. HPD violation 19238646
- Class B: Damaged plaster or paint, ceiling. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND NORTH EAST AND WEST WALL AT BASEMENT, issued 2026-09-24. HPD violation 19238645
- Class A: Mold, ceiling, 1st room from the north, 2nd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... OBSERVED LESS THAN 10 SQ FT AT CEILING AND WEST WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2026-09-24. HPD violation 19238644
311 housing complaints
6 in the last 12 months, 9 in 5 years. Most common: Unsanitary Condition (3), Water Leak (2), Heat/Hot Water (1).
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: No bedbug filing on record for this year
- 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
3 of 8 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).
Owner and management
Owner: PARK AVENUE SUITES 523 LLC. Head officer: SAM HALBERSTAM. Managing agent: GUARDEUM MANAGEMENT LLC. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.
Last HPD registration Oct 9, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3017590072, HPD building ID 396354. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Myrtle-Willoughby Avs (G), 1 min walk
- Bedford-Nostrand Avs (G), 8 min walk
- Flushing Av (G), 9 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 7 open (6 class B, 1 class A) | −27 |
| 311 housing complaints (12 mo) | 6 | −20 |
| 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.