309 Knickerbocker Avenue

309 Knickerbocker Avenue in Bushwick, Brooklyn, has 63 open HPD violations, 19 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: F (38/100).

Mixed residential & commercial · 6 units · Built 1931

StreetSpy grade: F (Severe, 38/100)

• 19 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 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 9 in 10 Brooklyn buildings this size.

• Repairs: High (63 open, 19 class C), records as of Oct 25, 2026
• Heat and hot water: 2 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (No bedbug filing, 3 yr), records as of Oct 27, 2026
• Safety: Medium (1 open DOB violation), records as of Oct 23, 2026
• Registration: Expired Sep 1, 2025, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

63 open violations: 19 class C (immediately hazardous), 19 class B, 23 class A, 2 class I (HPD orders such as lead paint or heat orders, not a hazard class). 2 issued in the last 12 months. 109 on record. Oldest open violation issued 2004-01-14. Newest violation issued 2026-05-05.

HPD recorded no violation closed here in the last 12 months.

1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Electrical defect, throughout the apartment, 3rd floor. , 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES .. IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 3R), issued 2020-12-24. HPD violation 13954912
• Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BASEMENT, issued 2020-12-24. HPD violation 13954930
• Class C: Lead paint hazard, 4th room from the east, 4th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) SOUTH WALL IN THE 4th ROOM FROM EAST LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 4L), issued 2013-10-07. HPD violation 9995585
• Class C: Lead paint hazard, 3rd room from the east, 4th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) WEST WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 4L), issued 2013-10-07. HPD violation 9995584
• Class C: Floor or stair defect, kitchen, 4th floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE KITCHEN LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 4L), issued 2013-10-03. HPD violation 9990283
• Class C: Missing window guards, throughout the apartment, 4th 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 = 2; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 4L), issued 2013-02-25. HPD violation 9747022
• Class C: Missing window guards, throughout the apartment, 4th 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 = 0; WG TO REPLACE = 0; WG TO REPAIR = 5; IN THE ENTIRE APARTMENT LOCATED AT APT A4R, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH (apt A4R), issued 2012-07-09. HPD violation 9464738
• 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 MISSING AT PUBLIC HALL, 1st STORY, issued 2012-06-01. HPD violation 9430237

311 housing complaints

2 in the last 12 months, 7 in 5 years. Most common: Heat/Hot Water (2).

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)

1 open DOB violation. 3 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: HARTNICK ENTERPRISES INC. Head officer: SAM KAFIF. Managing agent: ALBERT KAFIF. See the full portfolio.

Last HPD registration Aug 14, 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 3032200001, HPD building ID 321235. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Knickerbocker Av (M), 6 min walk
• DeKalb Av (L), 6 min walk
• Jefferson St (L), 7 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 2026-10-28.