236 Knickerbocker Avenue
236 Knickerbocker Avenue in Bushwick, Brooklyn, has 4 open HPD violations, 2 of them class C, and its rent-stabilization status could not be verified, as of Oct 26, 2026. StreetSpy grade: D (60/100).
Mixed residential & commercial · 4 units · Built 1931
StreetSpy grade: D (Poor, 60/100)
- 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.
- No housing complaints to 311 in the last 12 months.
More open violations per unit than 5 in 10 Brooklyn buildings this size.
- Repairs: High (4 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 (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)
4 open violations: 2 class C (immediately hazardous), 2 class B, 0 class A. 0 issued in the last 12 months. 17 on record. Oldest open violation issued 2009-08-13. Newest violation issued 2025-06-10.
0 closed in the last 90 days. Median 297 days from issue to close for the 1 violations closed 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: Rats (exterior). ABATE THE NUISANCE CONSISTING OF RODENTS RATS REAR YARD THROUGHOUT, issued 2009-08-13. HPD violation 1631423
- Class C: Rats (basement). ABATE THE NUISANCE CONSISTING OF RODENTS RATS CELLAR THRU OUT, issued 2009-08-13. HPD violation 1631427
- Class B: Roaches. ABATE THE NUISANCE CONSISTING OF VERMIN CONSISTING OF MICE AND ROACHES 2 STY APT 2L. LOCATED AT APT 2L (apt 2L), issued 2009-08-13. HPD violation 1631425
- Class B: SECTION 12 M/D LAW DISCONTINUE THE STORAGE OF COMBUSTIBLE MATERIAL CONSISTING OF WOOD ITEMS SCATTERED THRU OUT CELLAR FRONT., issued 2009-08-13. HPD violation 1631428
311 housing complaints
0 in the last 12 months, 0 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: Owner reported 0 infested units
- 2025: No bedbug filing on record for this year
- 2024: Owner reported 0 infested units
- 2023: No bedbug filing on record for this year
- 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
Stabilization status could not be verified.
Owner and management
Owner: LIFENG CHEN. See the full portfolio.
Last HPD registration Aug 22, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3031860035, HPD building ID 321203. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Jefferson St (L), 6 min walk
- Central Av (M), 7 min walk
- DeKalb Av (L), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 4 open (2 class C, 2 class B). 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 | 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.