841 Knickerbocker Avenue
841 Knickerbocker Avenue in Bushwick, Brooklyn, has 55 open HPD violations, 13 of them class C, and 6 of 6 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (55/100).
Multi-family walk-up · 6 units · Built 1906
StreetSpy grade: D (Poor, 55/100)
- 13 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- The head officer on this registration is named on 2 buildings' registrations; 2 graded D or F.
- No housing complaints to 311 in the last 12 months.
- 6 of 6 units are rent-stabilized.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: High (55 open, 13 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: High (4 open DOB violations), records as of Oct 26, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
55 open violations: 13 class C (immediately hazardous), 24 class B, 18 class A. 1 issued in the last 12 months. 75 on record. Oldest open violation issued 2009-09-18. Newest violation issued 2026-05-05.
0 closed in the last 90 days. Median 6 days from issue to close for the 1 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 NOTICE MISSING AT PUBLIC HALL, 1st STORY, issued 2019-09-03. HPD violation 13250634
- Class C: Lead paint hazard, south wall, 2nd room from the east, 1st 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) 1st DOOR FRAME FROM EAST AT SOUTH WALL IN THE 2nd ROOM FROM EAST LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1L), issued 2014-10-16. HPD violation 10417901
- Class C: Lead paint hazard, 4th room from the east, 1st 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 IN THE 4th ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1R), issued 2014-10-16. HPD violation 10417903
- Class C: Lead paint hazard, east wall, 4th room from the east, 1st 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) 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE 4th ROOM FROM EAST LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1L), issued 2014-10-16. HPD violation 10417899
- Class C: Lead paint hazard, 3rd room from the east, 1st 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) SOUTH WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1R), issued 2014-10-16. HPD violation 10417904
- Class C: Lead paint hazard, south wall, 2nd room from the east, 1st 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) 1st DOOR FRAME FROM EAST AT SOUTH WALL IN THE 2nd ROOM FROM EAST LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1L), issued 2014-07-10. HPD violation 10303125
- Class C: Lead paint hazard, 4th room from the east, 1st 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 IN THE 4th ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1R), issued 2011-03-22. HPD violation 8865795
- Class C: Lead paint hazard, 5th room from the east, 1st 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) SOUTH WALL IN THE 5th ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1R), issued 2011-03-22. HPD violation 8865794
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: No bedbug filing on record for this year
- 2025: No bedbug filing on record for this year
- 2024: Owner reported 0 infested units
- 2023: Owner reported 0 infested units
- 2022: No bedbug filing on record for this year
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
4 open DOB violations, 3 of them Local Law violations 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
6 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: 6 in 2024, 6 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: 841 KNICKERBOCKER LLC. Head officer: ADRIAN MOONIAN. Managing agent: ADRIAN MOONIAN. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.
Last HPD registration Jul 27, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 3034250004, HPD building ID 321453. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Wilson Av (L), 5 min walk
- Halsey St (L), 5 min walk
- Myrtle-Wyckoff Avs (M), 12 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 55 open (13 class C, 24 class B, 18 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 | 4 open DOB violations, 3 of them Local Law violations issued before 2000 | −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.