735 Knickerbocker Avenue
735 Knickerbocker Avenue in Bushwick, Brooklyn, has 54 open HPD violations, 22 of them class C, and 7 of 6 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (35/100).
Mixed residential & commercial · 6 units · Built 1909
StreetSpy grade: F (Severe, 35/100)
- 22 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- 4 heat or hot water complaints to 311 in the last 12 months.
- 7 of 6 units are rent-stabilized.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: High (54 open, 22 class C), records as of Oct 26, 2026
- Heat and hot water: 4 complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
- Safety: Clear (No open DOB violations), records as of Oct 26, 2026
- Registration: Expired Sep 1, 2025, records as of Oct 3, 2026
Housing code violations (HPD)
54 open violations: 22 class C (immediately hazardous), 15 class B, 16 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 33 issued in the last 12 months. 71 on record. Oldest open violation issued 1999-02-09. Newest violation issued 2026-09-25.
1 closed in the last 90 days. Median 21 days from issue to close for the 1 violations closed in the last 12 months.
6 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: Self-closing door not working (entrance). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BUILDING FRONT ENTRANCE DOOR , 1st STORY, issued 2026-09-25. HPD violation 19223804
- Class C: Door, lock or intercom defect (entrance). , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING CONSISTING OF KEY OPERATED DOUBLE CYLINDER LOCK INSTALLED AT DOOR AT BUILDING ENTRANCE, issued 2026-09-17. HPD violation 19211453
- Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BASEMENT AT BOILER ROOM, issued 2026-09-17. HPD violation 19211446
- Class C: Self-closing door not working (entrance). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE DOOR AT BUILDING VESTIBULE, issued 2026-09-17. HPD violation 19211451
- Class C: Self-closing door not working, 4th floor. , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 4L), issued 2026-09-17. HPD violation 19211449
- Class C: Self-closing door not working (entrance). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES ON DOOR AT BUILDING ENTRANCE, issued 2026-09-17. HPD violation 19211452
- Class C: Self-closing door not working (roof). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES ON DOOR TO ROOF AT BULKHEAD , 4th STORY, issued 2026-09-16. HPD violation 19211450
- Class C: Self-closing door not working (entrance). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT VESTIBULE DOOR , 1st STORY, issued 2026-09-03. HPD violation 19182678
311 housing complaints
4 in the last 12 months, 4 in 5 years. Most common: Heat/Hot Water (4).
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)
No open DOB violations. 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
7 of 6 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).
Rent-stabilized units on city tax bills: 7 in 2024, 7 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: SHAO LIN ZHENG. Managing agent: Shao L Zheng. See the full portfolio.
Last HPD registration Dec 13, 2024. HPD registration expired Sep 1, 2025 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 3033990010, HPD building ID 321416. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Halsey St (L), 6 min walk
- Myrtle-Wyckoff Avs (M), 8 min walk
- Myrtle-Wyckoff Avs (L), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 54 open (22 class C, 15 class B, 16 class A, 1 class I). 6 rent-impairing | −45 |
| 311 housing complaints (12 mo) | 4 | −20 |
| 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.