521 Dahill Road
521 Dahill Road in Borough Park, Brooklyn, has 50 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: F (49/100).
Mixed residential & commercial · 2 units · Built 1899
StreetSpy grade: F (Severe, 49/100)
- 166.7 open HPD violations per 10 units, about 17 per apartment. The grade is F for that alone.
- 1 immediately hazardous violation 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.
- Repairs: Grade capped at F (50 open, 1 class C), records as of Oct 25, 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 23, 2026
- Registration: Expired Oct 1, 2010, records as of Oct 3, 2026
Housing code violations (HPD)
50 open violations: 1 class C (immediately hazardous), 23 class B, 14 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. 50 on record. Oldest open violation issued 2006-07-03. Newest violation issued 2026-05-04.
HPD recorded no violation closed here in the last 12 months.
- Class C: Damaged plaster or paint, 1st room from the east, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2011-09-12. HPD violation 9101170
- Class B: Plumbing defect, bathroom, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE AT WASHBASIN IN THE BATHROOM LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2011-09-14. HPD violation 9101166
- Class B: Leak or water damage, 1st room from the east, 2nd floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DAMPNESS PENETRATING OVER CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2011-09-13. HPD violation 9101251
- Class B: Missing or broken smoke / CO detector, 2nd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2011-09-12. HPD violation 9101164
- Class B: Damaged plaster or paint, throughout the apartment, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2011-09-12. HPD violation 9101171
- Class B: Missing or broken smoke / CO detector, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2011-09-12. HPD violation 9101165
- Class B: Plumbing defect, kitchen, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE AT SINK IN THE KITCHEN LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2011-09-12. HPD violation 9101169
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3B), issued 2011-06-07. HPD violation 8967795
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: GITA ROTTENBERG. See the full portfolio.
Last HPD registration Sep 23, 2009. HPD registration expired Oct 1, 2010 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 3053940084, HPD building ID 229463. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Ditmas Av (F), 2 min walk
- 18 Av (F), 7 min walk
- Church Av (F, G), 13 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 50 open (1 class C, 23 class B, 14 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 | −5 |
| Density cap | 166.7 per 10 units (about 17 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.