300 Knickerbocker Avenue

300 Knickerbocker Avenue in Bushwick, Brooklyn, has 22 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Mixed residential & commercial · 4 units · Built 1931

StreetSpy grade: D (Poor, 55/100)

• 2 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.
• No housing complaints to 311 in the last 12 months.
• 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 8 in 10 Brooklyn buildings this size.

• Repairs: High (22 open, 2 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: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

22 open violations: 2 class C (immediately hazardous), 17 class B, 3 class A. 1 issued in the last 12 months. 35 on record. Oldest open violation issued 1987-11-10. Newest violation issued 2026-05-05.

0 closed in the last 90 days. Median 16 days from issue to close for the 1 violations closed 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, private hall. REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT WALLS & CEILINGS 3 STY EAST APT 3L 2ND ROOM FROM FRONT CENTER PRIVATE HALL DELGADO 381 3753 ER1. , SECTION '' '' (apt 3L), issued 1988-10-18. HPD violation 1632159
• Class C: Lead paint hazard, bathroom. REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 3 STY APT 3L BATHROOM DELGADO 381 3753. LOCATED AT APT 3L (apt 3L), issued 1987-11-10. HPD violation 1632155
• Class B: Items blocking a hallway or exit (hallway). D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS 3RD STY PUBLIC HALL., issued 2008-06-10. HPD violation 1632143
• Class B: Leak or water damage (basement). D26-16.01 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE WATER SUPPLY PIPE WATER MAIN CELLAR FRONT., issued 2008-06-10. HPD violation 1632141
• Class B: Fire escape defect. D26-10.01, 10.05 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES FLOWER POTS 2ND & 3RD STY STACKS REAR., issued 2008-06-10. HPD violation 1632140
• Class B: Garbage not removed (basement). D26-11.01, 11.03, 11.05 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE CELLAR FRONT., issued 2008-06-10. HPD violation 1632145
• Class B: Damaged plaster or paint (basement). D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTER CEILING CELLAR THROUGHOUT., issued 2008-06-10. HPD violation 1632142
• Class B: Lighting defect. D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION ALL STY PUB HALL., issued 2008-06-10. HPD violation 1632146

311 housing complaints

0 in the last 12 months, 1 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: Owner reported 0 infested units
• 2024: Owner reported 0 infested units
• 2023: No bedbug filing on record for this year
• 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

No rent-stabilized units on the tax bill.

Owner and management

Owner: ANTOINETTE DELLARATTA. See the full portfolio.

Last HPD registration Aug 23, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3032190030, HPD building ID 321228. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Knickerbocker Av (M), 6 min walk
• DeKalb Av (L), 6 min walk
• Central Av (M), 6 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.