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535 West 51st Street, Manhattan

📍 Chelsea, Manhattan Built 1981 235 units Class D3 Residential
Registered to JOSEPH KAZARNOVSKY LLC / Partnership HPD registration · updated monthly
CRITICAL RISK
6 Open Violations
5C 1B
78 Complaints (12 mo) ↑ up vs prior year
2 Last 30 Days
Renting here? This building has 5 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

2
Last 30 Days
8
Last 90 Days
78
Last 365 Days
⚠️ Complaints are up 5% compared to the previous 6 months.
🐀 13 pest infestation complaints filed with HPD since 2024
Complaint Types (Last 12 Months)
HEAT/HOT WATER
47(62%)
UNSANITARY CONDITION
10(13%)
PLUMBING
8(11%)
APPLIANCE
3(4%)
PAINT/PLASTER
2(3%)
GENERAL
2(3%)
ELECTRIC
2(3%)
DOOR/WINDOW
2(3%)
📅 Monthly Activity Heatmap (Last 12 Months)
Aug
Sep
Oct
Nov
Dec
Jan
Feb
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Apr
May
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Jul

Source: NYC 311 / HPD · Synced daily · Covers HPD-managed residential buildings · Records from Jan 2024 onward

DOHMH Rat Inspection History

25 Inspections on Record
Passed Most Recent Result
2026-03-03 Most Recent Date
2026-03-03 Initial Passed
2025-10-24 Compliance Failed for Rat Activity
2025-09-11 Treatments Bait applied
2025-08-21 Treatments Bait applied
2025-08-06 Treatments Bait applied
2025-07-16 Compliance Failed for Rat Activity and Other Reason
2025-05-21 Initial Failed for Rat Activity and Other Reason
2024-10-08 Initial Passed
2021-07-21 Initial Passed
2021-03-31 Initial Passed
2021-01-25 Initial Passed
2019-06-24 Compliance Passed
2019-06-03 Initial Failed for Other Reason
2019-04-11 Initial Passed
2018-06-21 Initial Passed
2017-12-20 Compliance Passed
2017-09-07 Initial Failed for Rat Activity
2017-01-12 Initial Passed
2016-02-17 Initial Passed
2015-05-04 Initial Passed
2014-09-10 Initial Passed
2014-01-31 Initial Passed
2013-06-25 Initial Passed
2012-08-28 Initial Passed
2011-05-11 Initial Passed

Source: NYC DOHMH Rodent Inspections · Synced daily (30-day lookback) · Inspections may cover the building's block, not the exact address · DOHMH data publishes with ~10-day lag

HPD Housing Violations

0 Class A
1 Class B
5 Class C
Driving this immediately hazardous rating
Class C Active mice infestation 2026-06-27
Class C Provide hot water at all hot water fixtures 2026-01-04
See all 6 violations ▼
Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE AT PUBLIC HALL, 1st STORY
2026-06-27 ▼

Violation ID: #19037099

Current Status: Open

Date Issued: 2026-06-27T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE AT PUBLIC HALL, 1st STORY

Class C § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 7J, 8th STORY, 5th APARTMENT FROM WEST AT NORTH
2026-01-04 ▼

Violation ID: #18548000

Current Status: Open

Date Issued: 2026-01-04T00:00:00.000

Description: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 7J, 8th STORY, 5th APARTMENT FROM WEST AT NORTH

Class C § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR AT BOILER ROOM
2026-01-04 ▼

Violation ID: #18548001

Current Status: Open

Date Issued: 2026-01-04T00:00:00.000

Description: § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR AT BOILER ROOM

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 7O, 7th STORY, 3rd APARTMENT FROM EAST AT SOUTH
2025-08-25 ▼

Violation ID: #18183989

Current Status: Open

Date Issued: 2025-08-25T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 7O, 7th STORY, 3rd APARTMENT FROM EAST AT SOUTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 7O, 7th STORY, 3rd APARTMENT FROM EAST AT SOUTH
2025-08-25 ▼

Violation ID: #18183992

Current Status: Open

Date Issued: 2025-08-25T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 7O, 7th STORY, 3rd APARTMENT FROM EAST AT SOUTH

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT CEILING AT PUBLIC HALL, 7th STORY
2025-09-08 ▼

Violation ID: #18212941

Current Status: Open

Date Issued: 2025-09-08T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT CEILING AT PUBLIC HALL, 7th STORY

⚠️ 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.

Source: NYC HPD Housing Violations · Synced daily · Open violations only — closed violations excluded · Class I (administrative/registration notices) excluded from counts

What This Means If You're Considering Renting Here

This building has 5 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 78 complaints filed in the last 12 months, prospective renters should exercise significant caution, request a full HPD inspection history, and consult a tenant rights organization before signing any lease.

Data current as of July 9, 2026. Always verify independently with HPD before signing a lease.

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: July 9, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 78 complaints and 5 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: July 9, 2026.