📊 311tracker
803 Knickerbocker Avenue, Brooklyn is a residential building in Bushwick, Brooklyn, New York City. As of June 8, 2026, this building has 4 open HPD violations: 0 Class A, 2 Class B, and 2 Class C (immediately hazardous). In the last 12 months, 30 complaints have been filed against this building via NYC 311. The most common complaint type is HEAT/HOT WATER. The building's overall risk rating is CRITICAL RISK. Data source: NYC Open Data, updated daily. Last verified: June 8, 2026.

803 Knickerbocker Avenue, Brooklyn

📍 Bushwick, Brooklyn 🔨 Built 2013 🏢 24 units 🏷️ Class D7
Residential
CRITICAL RISK

Safety Rating: Immediately hazardous — Immediately hazardous violations — serious concerns.

311 Complaint Summary

0
Last 30 Days
0
Last 90 Days
30
Last 365 Days
⚠️ Complaints are up 175% compared to the previous 6 months.
Complaint Types (Last 12 Months)
HEAT/HOT WATER
26(87%)
PLUMBING
4(13%)
📅 Monthly Activity Heatmap (Last 12 Months)
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HPD Housing Violations

0 Class A
2 Class B
2 Class C
Class B § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH
2025-10-31 ▼

Violation ID: #18336775

Current Status: Open

Date Issued: 2025-10-31T00:00:00.000

Description: § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

Class B § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH
2025-10-31 ▼

Violation ID: #18336776

Current Status: Open

Date Issued: 2025-10-31T00:00:00.000

Description: § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH
2025-10-31 ▼

Violation ID: #18336774

Current Status: Open

Date Issued: 2025-10-31T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

Class C § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH
2025-10-31 ▼

Violation ID: #18336773

Current Status: Open

Date Issued: 2025-10-31T00:00:00.000

Description: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

⚠️ What does Class C mean?

Class C violations are classified as immediately hazardous by the HPD (e.g. lack of heat or hot water, active mold, severe rodent infestations, lead-based paint, or carbon monoxide detector issues). Landlords are legally required to resolve these immediately.

Violation History & Landlord Accountability

A Violation Severity
4 Open Violations
0 Class A
2 Class B
2 Class C

Few or no Class C violations on record.

Score: 93/100 · Based on current open violations. Higher Class C violations = lower score.

First violation on record: 2025-10-31 · Most recent: 2025-10-31

A Few/no Class C  ·  B Limited Class C  ·  C Multiple Class C  ·  D Significant  ·  F High hazard load

Neighborhood Comparison

How 803 Knickerbocker Avenue, Brooklyn compares to other tracked buildings in Bushwick in the last 12 months.

1
Average building in Bushwick
30
This building
1
NYC Average
📊 That's 30.0× the Bushwick average · top 17% most-complained in neighborhood

Nearby Buildings

Top complained-about buildings in the same neighborhood (Bushwick) in the last 12 months.

Address Complaints Violations Risk Score Actions
11 DE SALES PLACE, BROOKLYN 179 30 CRITICAL View →
473 WILSON AVENUE, BROOKLYN 121 75 CRITICAL View →
168 COOPER STREET, BROOKLYN 114 8 CRITICAL View →
302 STOCKHOLM STREET, BROOKLYN 112 94 CRITICAL View →
443 WILSON AVENUE, BROOKLYN 104 52 CRITICAL View →

Data Disclaimer: All compliance data on this page is synced directly from municipal reports published via NYC Open Data. Complaint counts and HPD housing violations are updated daily. Building characteristics (built year, unit count, and building class) are derived from the NYC Department of City Planning's PLUTO database.

Data last updated: June 8, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 30 complaints and 2 Class C (immediately hazardous) violations on record in the last 12 months. Review the full violation list carefully before signing any lease.

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About This Data

Complaint data is sourced from the NYC 311 Service Requests dataset (NYC Open Data). Violation data is from the HPD Housing Maintenance Code Violations dataset. Building info is based on NYC PLUTO by NYC Department of City Planning.

All records are public-domain municipal data provided as-is. Updated daily. Last verified: June 8, 2026.