191 Knickerbocker Avenue
191 Knickerbocker Avenue in Bushwick, Brooklyn, has 13 open HPD violations, 5 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: D (55/100).
Mixed residential & commercial · 4 units · Built 1931
StreetSpy grade: D (Poor, 55/100)
- 5 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.
- The owner's bedbug filings report no infested units in the last 3 years.
- 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 7 in 10 Brooklyn buildings this size.
- Repairs: High (13 open, 5 class C), records as of Oct 25, 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 27, 2026
- Safety: High (2 open DOB violations), records as of Oct 23, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
13 open violations: 5 class C (immediately hazardous), 0 class B, 8 class A. 1 issued in the last 12 months. 28 on record. Oldest open violation issued 2007-05-09. Newest violation issued 2026-05-05.
0 closed in the last 90 days. Median 16 days from issue to close for the 2 violations closed in the last 12 months.
- 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 MISSING AT PUBLIC HALL, issued 2025-01-15. HPD violation 17615602
- Class C: Broken window or sash, kitchen, 3rd floor. REPLACE WITH NEW THE MISSING LOWER SASH GLASS PANE IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3L), issued 2009-10-01. HPD violation 6687919
- Class C: No heat / heating defect, 3rd room from the east, 3rd floor. REPLACE WITH NEW THE BROKEN OR DEFECTIVE AIR VALVE AT RADIATOR IN THE 3rd ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3L), issued 2009-10-01. HPD violation 6570540
- Class C: Broken window or sash, 3rd room from the east, 3rd floor. REPLACE WITH NEW THE BROKEN OR DEFECTIVE WOOD WINDOWS FRAMES IN THE 3rd ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3L), issued 2009-10-01. HPD violation 6570555
- Class C: Lead paint hazard, 1st window frame from the north, east wall, kitchen, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) NORTH WALL, 1st WINDOW FRAME FROM NORTH AT EAST WALL, 2nd WINDOW FRAME FROM NORTH AT EAST WALL IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3L), issued 2007-05-09. HPD violation 6736477
- Class A: HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MAILBOXES ( 2L, 2R, 3R) AT PUBLIC HALL, 1st STORY, issued 2025-01-15. HPD violation 17615598
- Class A: Floor or stair defect (hallway). , M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALL, issued 2025-01-15. HPD violation 17615603
- Class A: Plumbing defect, bathroom, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND BATHTUB IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2025-01-15. HPD violation 17615596
311 housing complaints
0 in the last 12 months, 2 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: Owner reported 0 infested units
- 2023: Owner reported 0 infested units
- 2022: Owner reported 0 infested units
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
2 open DOB violations. 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: DIANE Gonzalez. Managing agent: Vito Mannino. See the full portfolio.
Last HPD registration Dec 31, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3031660001, HPD building ID 321174. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Jefferson St (L), 6 min walk
- Morgan Av (L), 7 min walk
- Central Av (M), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 13 open (5 class C, 8 class A) | −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 | 2 open DOB violations | −5 |
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.