504 Willoughby Avenue
504 Willoughby Avenue in Bed-Stuy, Brooklyn, has 35 open HPD violations, 2 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 1901
StreetSpy grade: F (Severe, 49/100)
- 116.7 open HPD violations per 10 units, about 12 per apartment. The grade is F for that alone.
- 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- No housing complaints to 311 in the last 12 months.
- 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 (35 open, 2 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 27, 2026
- Safety: High (1 open DOB violation), records as of Oct 26, 2026
- Registration: Expired Apr 1, 2005, records as of Oct 3, 2026
Housing code violations (HPD)
35 open violations: 2 class C (immediately hazardous), 11 class B, 10 class A, 12 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 39 on record. Oldest open violation issued 2004-09-24. Newest violation issued 2026-05-06.
HPD recorded no violation closed here in the last 12 months.
- Class C: Self-closing door not working, 3rd floor. , 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS AT ENTRANCE LOCATED AT B-ROOM UNIT #3FL ,ON 3RD STORY, B-ROOM 2ND FROM EAST, issued 2020-11-20. HPD violation 13898396
- Class C: Self-closing door not working (hallway). , 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS (VESTIBULE DOOR) AT PUBLIC HALL, 1st STORY, issued 2020-11-20. HPD violation 13898367
- Class B: Mold, ceiling, bathroom. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 2 SQUARE FEET AT CEILING AT COMMUNITY BATHROOM, 3rd STORY ORIGINAL VIOLATION 13898351 ISSUED 12-NOV-20 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE ''''27-2017.3a(3)(a) or (b)., issued 2021-03-22. HPD violation 14082393
- Class B: Electrical defect, 1st room from the north, 3rd floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE ALL ELECTRICAL OUTLETS AT NORTH AND WEST WALLS IN THE 1ST ROOM FROM NORTH AT EAST LOCATED AT B-ROOM UNIT 3FL, ON 3RD STORY, B-ROOM AT EAST, issued 2020-11-20. HPD violation 13898362
- Class B: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD SUBFLOOR AT PUBLIC HALL, 2nd STORY, issued 2020-11-20. HPD violation 13898363
- Class B: Missing or broken smoke / CO detector, 3rd floor. , 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT B-ROOM 3FLOOR, 3rd STORY, B-ROOM AT EAST (apt 3FLOOR), issued 2020-11-20. HPD violation 13898370
- Class B: Damaged plaster or paint, 1st room from the north, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WINDOW SILL 2ND FROM NORTH IN THE 1ST ROOM FROM NORTH AT EAST LOCATED AT B-ROOM UNIT 3FL ,ON 3RD STORY, B-ROOM AT EAST, issued 2020-11-20. HPD violation 13898361
- Class B: Garbage not removed (exterior). , 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE BUILDING FRONT YARD, issued 2020-09-02. HPD violation 13794626
311 housing complaints
0 in the last 12 months, 1 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, a Local Law violation issued before 2000. 3 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: MARY A DANTZLER. See the full portfolio.
Last HPD registration Apr 30, 2004. HPD registration expired Apr 1, 2005 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 3017660038, HPD building ID 396346. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Myrtle-Willoughby Avs (G), 1 min walk
- Bedford-Nostrand Avs (G), 7 min walk
- Flushing Av (G), 9 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 35 open (2 class C, 11 class B, 10 class A, 12 class I) | −40 |
| 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 | −5 |
| Density cap | 116.7 per 10 units (about 12 per apartment). Grade capped at F: 100 or more open HPD violations per 10 units. | −6 |
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.