317 Knickerbocker Avenue
317 Knickerbocker Avenue in Bushwick, Brooklyn, has 8 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 24, 2026. StreetSpy grade: D (57/100).
Mixed residential & commercial · 6 units · Built 1931
StreetSpy grade: D (Poor, 57/100)
- 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The head officer on this registration is named on 81 buildings' registrations; 26 graded D or F.
- 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 6 in 10 Brooklyn buildings this size.
- Repairs: High (8 open, 2 class C), records as of Oct 24, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 23, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
- Safety: Medium (1 open DOB violation), records as of Oct 23, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
8 open violations: 2 class C (immediately hazardous), 5 class B, 1 class A. 0 issued in the last 12 months. 97 on record. Oldest open violation issued 2021-01-19. Newest violation issued 2025-09-16.
HPD recorded no violation closed here in the last 12 months.
3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.
- Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3F), issued 2021-01-19. HPD violation 13983232
- Class C: Roaches (hallway). HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES AT PUBLIC HALL STAIRS, issued 2021-01-19. HPD violation 13983231
- Class B: Items blocking a hallway or exit (hallway). , 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS (MATTRESSES) AND CONSTRUCTION MATERIALS AT PUBLIC HALL, 4th STORY, issued 2025-09-16. HPD violation 18228016
- Class B: Lighting defect (hallway). PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION AT PUBLIC HALL, 2nd STORY, issued 2025-09-16. HPD violation 18228014
- Class B: Items blocking a hallway or exit (hallway). , 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF BICYCLE AND HOUSEHOLD ITEMS AT PUBLIC HALL, 3rd STORY, issued 2025-09-16. HPD violation 18228015
- Class B: Fire escape defect. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF AIR CONDITIONER PROTRUDING MORE THAN 4 INCHES BEYOND SILL AT 2ND FROM NORTH AT EAST , 2ND STORY AT FIRE ESCAPE, issued 2025-09-16. HPD violation 18228013
- 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 2023-04-05. HPD violation 14470620
- Class A: Floor or stair defect (hallway). CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE HOUSE HOLD GARBAGE AT PUBLIC HALL STAIRS, 4th STORY, issued 2023-04-05. HPD violation 13983230
311 housing complaints
0 in the last 12 months, 3 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: Owner reported 0 infested units
Buildings department (DOB)
1 open DOB violation, a Local Law violation issued before 2000. 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.
Rent-stabilized units on city tax bills: 0 in 2024, 0 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: 317-319 KNICKERBOCKER AVE LLC. Head officer: TOM ROSENBERG. Managing agent: Tom Rosenberg. This owner has 81 buildings on record, 26 graded D or F. See the full portfolio.
Last HPD registration Jul 23, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 3032360007, HPD building ID 321239. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Knickerbocker Av (M), 5 min walk
- DeKalb Av (L), 5 min walk
- Jefferson St (L), 7 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 8 open (2 class C, 5 class B, 1 class A). 3 rent-impairing | −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 | −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 2026-10-27.