871 Knickerbocker Avenue
871 Knickerbocker Avenue in Bushwick, Brooklyn, has 13 open HPD violations, 8 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: F (44/100).
Multi-family walk-up · 6 units · Built 1906
StreetSpy grade: F (Severe, 44/100)
- 8 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The owner has 6 buildings on record; 5 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 7 in 10 Brooklyn buildings this size.
- Repairs: High (13 open, 8 class C), records as of Oct 25, 2026
- Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
- Safety: Medium (1 open DOB violation), 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: 8 class C (immediately hazardous), 5 class B, 0 class A. 0 issued in the last 12 months. 89 on record. Oldest open violation issued 2019-05-14. Newest violation issued 2025-06-10.
0 closed in the last 90 days. Median 202 days from issue to close for the 1 violations closed in the last 12 months.
2 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: No hot water, throughout the apartment, 3rd floor. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3B), issued 2025-05-12. HPD violation 17885026
- Class C: No heat / heating defect (boiler room). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM BOILER ROOM DOOR LOCKED. AT 2nd BOILER ROOM FROM NORTH, 3rd STORY, issued 2025-05-12. HPD violation 17885027
- Class C: No heat / heating defect (hallway). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED DOOR AT EAST AT PUBLIC HALL, 1st STORY, issued 2025-05-09. HPD violation 17871419
- Class C: No hot water, kitchen, 3rd floor. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE KITCHEN LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3F), issued 2025-05-07. HPD violation 17871418
- Class C: Mice, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1L), issued 2021-09-17. HPD violation 14557822
- Class C: Roaches, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1L), issued 2021-09-17. HPD violation 14557821
- Class C: Electrical defect, ceiling, throughout the apartment, 2nd floor. , 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT CEILING IN THE ENTIRE APARTMENT LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2B), issued 2019-06-03. HPD violation 13094493
- Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR, issued 2019-05-14. HPD violation 13061831
311 housing complaints
1 in the last 12 months, 18 in 5 years. Most common: Heat/Hot Water (1).
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)
1 open DOB violation, a Local Law violation issued before 2000. 4 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: MF Blue Valley Apartments, LLC. Head officer: Mark Cashman. Managing agent: CAM Property MGMT. This owner has 6 buildings on record, 5 graded D or F. See the full portfolio.
Last HPD registration Mar 12, 2026. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3034310003, HPD building ID 321479. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Wilson Av (L), 4 min walk
- Halsey St (L), 6 min walk
- Bushwick Av-Aberdeen St (L), 12 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 13 open (8 class C, 5 class B). 2 rent-impairing | −45 |
| 311 housing complaints (12 mo) | 1 | −8 |
| 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 2026-10-28.