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11 Chatham Square, Manhattan

📍 Lower East Side, Manhattan Built 1915 20 units Class C7 Residential
Registered to HENRY CHEUNG Corporation HPD registration · updated monthly
CRITICAL RISK
24 Open Violations
10C 9B 5A
6 Complaints (12 mo) ↑ up vs prior year
0 Last 30 Days
Renting here? This building has 10 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

0
Last 30 Days
5
Last 90 Days
6
Last 365 Days
⚠️ Complaints are up 400% compared to the previous 6 months.
Complaint Types (Last 12 Months)
HEAT/HOT WATER
1(17%)
GENERAL
1(17%)
FLOORING/STAIRS
1(17%)
ELECTRIC
1(17%)
DOOR/WINDOW
1(17%)
APPLIANCE
1(17%)
📅 Monthly Activity Heatmap (Last 12 Months)
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep

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

DOHMH Rat Inspection History

34 Inspections on Record
Passed Most Recent Result
2026-04-13 Most Recent Date
2026-04-13 Initial Passed
2025-10-01 Initial Passed
2025-06-20 Initial Passed
2025-04-04 Initial Passed
2024-10-03 Initial Passed
2024-04-02 Initial Passed
2023-10-04 Initial Passed
2023-04-06 Initial Passed
2022-10-03 Initial Passed
2022-04-01 Initial Passed
2021-03-16 Initial Passed
2020-06-24 Initial Passed
2019-09-30 Initial Passed
2019-04-02 Initial Passed
2018-10-24 Initial Passed
2018-04-11 Initial Passed
2017-08-28 Initial Passed
2016-12-07 Initial Passed
2015-12-30 Initial Passed
2015-04-07 Initial Passed
2014-04-21 Initial Passed
2013-03-07 Compliance Failed for Rat Activity
2013-02-01 Initial Failed for Rat Activity
2012-05-22 Compliance Failed for Rat Activity and Other Reason
2012-03-26 Initial Failed for Rat Activity and Other Reason

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

5 Class A
9 Class B
10 Class C
Driving this immediately hazardous rating
Class C M/d law abate the nuisance consisting of a key operated lock installed at door leading to fire escape window… 2025-06-11
Class C Building door missing or defective self-close mechanism 2025-06-11
See all 24 violations ▼
Class C § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF A KEY OPERATED LOCK INSTALLED AT DOOR LEADING TO FIRE ESCAPE WINDOW IN THE 5th ROOM FROM EAST LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-11 ▼

Violation ID: #17975917

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF A KEY OPERATED LOCK INSTALLED AT DOOR LEADING TO FIRE ESCAPE WINDOW IN THE 5th ROOM FROM EAST LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BULKHEAD DOOR AT PUBLIC HALL, 5th STORY
2025-06-11 ▼

Violation ID: #17975910

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BULKHEAD DOOR AT PUBLIC HALL, 5th STORY

Class C § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-11 ▼

Violation ID: #17975914

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKDOWN DOOR STOPPER INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 2nd STORY
2025-06-11 ▼

Violation ID: #17975921

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKDOWN DOOR STOPPER INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 2nd STORY

Class C § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKSTAND DEVICE INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 5th STORY
2025-06-11 ▼

Violation ID: #17975918

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKSTAND DEVICE INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 5th STORY

Class C § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKDOWN DOOR STOPPER INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 3rd STORY
2025-06-11 ▼

Violation ID: #17975920

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKDOWN DOOR STOPPER INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 3rd STORY

Class C § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY
2025-06-11 ▼

Violation ID: #17975909

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY

Class C § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKDOWN DOOR STOPPER DEVICE INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 4th STORY
2025-06-11 ▼

Violation ID: #17975919

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKDOWN DOOR STOPPER DEVICE INSTALLED AT FIRE DOOR AT NORTH AT PUBLIC HALL, 4th STORY

Class C § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BULKHEAD DOOR LEADING TO ROOF , 5th STORY
2024-04-22 ▼

Violation ID: #16930151

Current Status: Open

Date Issued: 2024-04-22T00:00:00.000

Description: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BULKHEAD DOOR LEADING TO ROOF , 5th STORY

Class C § 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR ... IN THE ENTRANCE LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
2024-04-22 ▼

Violation ID: #16923593

Current Status: Open

Date Issued: 2024-04-22T00:00:00.000

Description: § 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR ... IN THE ENTRANCE LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH

Class B § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-11 ▼

Violation ID: #17975912

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-11 ▼

Violation ID: #17975913

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE IN THE 5th ROOM FROM EAST LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-11 ▼

Violation ID: #17975915

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE IN THE 5th ROOM FROM EAST LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT UPPER SASH AT FIRE ESCAPE WINDOW AT NORTH WALL IN THE 5th ROOM FROM EAST LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-11 ▼

Violation ID: #17975916

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT UPPER SASH AT FIRE ESCAPE WINDOW AT NORTH WALL IN THE 5th ROOM FROM EAST LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 20 SQ.FT AT CEILING, EAST, NORTH, SOUTH AND WEST WALLS IN THE BATHROOM LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-11 ▼

Violation ID: #17975911

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 20 SQ.FT AT CEILING, EAST, NORTH, SOUTH AND WEST WALLS IN THE BATHROOM LOCATED AT APT 5B, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSE HOLD ITEMS AT PUBLIC HALL, 5th STORY
2024-04-22 ▼

Violation ID: #16930157

Current Status: Open

Date Issued: 2024-04-22T00:00:00.000

Description: § 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSE HOLD ITEMS AT PUBLIC HALL, 5th STORY

Class B § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND ALL WALLS IN THE KITCHEN LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
2024-04-22 ▼

Violation ID: #16923592

Current Status: Open

Date Issued: 2024-04-22T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND ALL WALLS IN THE KITCHEN LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH

Class B § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
2024-04-22 ▼

Violation ID: #16923597

Current Status: Open

Date Issued: 2024-04-22T00:00:00.000

Description: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH

Class B § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
2024-04-22 ▼

Violation ID: #16923598

Current Status: Open

Date Issued: 2024-04-22T00:00:00.000

Description: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT 3B, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH

Class A § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR AT PUBLIC HALL, 1st STORY
2025-06-11 ▼

Violation ID: #17975922

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR AT PUBLIC HALL, 1st STORY

Class A § 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORY
2025-06-11 ▼

Violation ID: #17975923

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORY

Class A § 27-2053 ADM CODE POST SIGN ON WALL OF ENTRANCE STORY BEARING NAME, ADDRESS INCLUDING APARTMENT NUMBER IF ANY, AND TELEPHONE NUMBER OF SUPERINTENDENT, JANITOR OR HOUSEKEEPER. AT PUBLIC HALL, 1st STORY
2025-06-11 ▼

Violation ID: #17975924

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2053 ADM CODE POST SIGN ON WALL OF ENTRANCE STORY BEARING NAME, ADDRESS INCLUDING APARTMENT NUMBER IF ANY, AND TELEPHONE NUMBER OF SUPERINTENDENT, JANITOR OR HOUSEKEEPER. AT PUBLIC HALL, 1st STORY

Class A § 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORY
2025-06-11 ▼

Violation ID: #17975925

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORY

Class A § 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD.
2025-06-11 ▼

Violation ID: #17975926

Current Status: Open

Date Issued: 2025-06-11T00:00:00.000

Description: § 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD.

⚠️ 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 10 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 6 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 September 15, 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: September 15, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 6 complaints and 10 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: September 15, 2026.