858 Knickerbocker Avenue

858 Knickerbocker Avenue in Bushwick, Brooklyn, has 76 open HPD violations, 8 of them class C, and 6 of 6 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (49/100).

Multi-family walk-up · 6 units · Built 1910

StreetSpy grade: F (Severe, 49/100)

• 126.7 open HPD violations per 10 units, about 13 per apartment. The grade is F for that alone.
• 8 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.
• 6 of 6 units are rent-stabilized.

More open violations per unit than 9 in 10 Brooklyn buildings this size.

• Repairs: Grade capped at F (76 open, 8 class C), records as of Oct 25, 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 27, 2026
• Safety: Clear (No open DOB violations), records as of Oct 23, 2026
• Registration: Through Sep 1, 2027, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

76 open violations: 8 class C (immediately hazardous), 44 class B, 24 class A. 1 issued in the last 12 months. 160 on record. Oldest open violation issued 2004-09-17. Newest violation issued 2026-05-05.

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: Lead paint hazard, kitchen, 2nd 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, EAST WALL IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2R), issued 2016-07-05. HPD violation 11296831
• Class C: Missing window guards, throughout the apartment, 1st floor. SECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1R), issued 2016-02-22. HPD violation 11122257
• Class C: Missing window guards, bathroom, 1st floor. SECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE BATHROOM LOCATED AT APT 1R, 1st STORY, APARTMENT AT SOUTH (apt 1R), issued 2015-07-16. HPD violation 10783233
• Class C: Missing window guards, 1st room from the east, 3rd floor. SECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPAIR = 0; WG TO REPLACE = 0; IN THE 1st ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3L), issued 2014-11-19. HPD violation 10448002
• Class C: Missing window guards, 3rd floor. SECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPLACE = 0; WG TO REPAIR = 1; LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3L), issued 2014-10-30. HPD violation 10431420
• Class C: Lead paint hazard, 1st closet from the west, north wall, 3rd room from the east, 2nd 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 CLOSET FROM WEST AT NORTH WALL WALL, 1st DOOR FRAME FROM NORTH AT EAST WALL, SOUTH WALL, EAST WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2L), issued 2005-10-04. HPD violation 5750369
• Class C: Lead paint hazard, west wall, 1st room from the east, 2nd 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 SOUTH AT WEST WALL, NORTH WALL, SOUTH WALL, EAST WALL, WEST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2L), issued 2005-10-04. HPD violation 5750371
• Class C: Lead paint hazard, 1st door from the north, east wall, 2nd room from the east, 2nd 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) BASEBOARD AT NORTH WALL, BASEBOARD AT SOUTH WALL, 1st DOOR FROM NORTH AT EAST WALL, 1st DOOR FRAME FROM NORTH AT EAST WALL, 1st DOOR FRAME FROM SOUTH AT WEST WALL, NORTH WALL, SOUTH WALL IN THE 2nd ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2L), issued 2005-10-04. HPD violation 5750370

311 housing complaints

0 in the last 12 months, 2 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: 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

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: WAI LAM. This owner has 3 buildings on record, 1 graded D or F. See the full portfolio.

Last HPD registration Jul 31, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 3034300028, HPD building ID 321467. 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

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.