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778 11th Avenue, Manhattan

📍 Chelsea, Manhattan Built 1974 396 units Class D6 Residential
Registered to MARY DELIA Corporation HPD registration · updated monthly
CRITICAL RISK
14 Open Violations
8C 5B 1A
44 Complaints (12 mo) ↑ up vs prior year
0 Last 30 Days
Renting here? This building has 8 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

0
Last 30 Days
2
Last 90 Days
44
Last 365 Days
⚠️ Complaints are up 75% compared to the previous 6 months.
🐀 12 pest infestation complaints filed with HPD since 2024
Complaint Types (Last 12 Months)
HEAT/HOT WATER
14(33%)
UNSANITARY CONDITION
8(19%)
PLUMBING
5(12%)
ELECTRIC
4(9%)
DOOR/WINDOW
4(9%)
APPLIANCE
4(9%)
SAFETY
2(5%)
PAINT/PLASTER
2(5%)
📅 Monthly Activity Heatmap (Last 12 Months)
Aug
Sep
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Feb
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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
Stoppage done Most Recent Result
2026-03-13 Most Recent Date
2026-03-13 Stoppage Stoppage done
2026-01-12 Compliance Passed
2025-12-16 Initial Failed for Rat Activity and Other Reason
2024-10-21 Stoppage Stoppage done
2024-10-11 Treatments Bait applied
2024-10-08 Initial Failed for Other Reason
2024-09-24 Treatments Bait applied
2024-09-05 Treatments Bait applied
2024-07-26 Compliance Failed for Rat Activity and Other Reason
2024-06-26 Initial Failed for Rat Activity and Other Reason
2024-01-09 Compliance Passed
2023-11-17 Compliance Passed
2023-10-31 Treatments Bait applied
2023-10-02 Compliance Failed for Rat Activity and Other Reason
2023-06-28 Initial Failed for Rat Activity and Other Reason
2023-04-05 Initial Passed
2023-03-20 Compliance Failed for Rat Activity and Other Reason
2023-02-14 Initial Failed for Rat Activity and Other Reason
2022-08-16 Compliance Failed for Rat Activity
2022-04-15 Compliance Failed for Rat Activity
2022-03-14 Initial Failed for Other Reason
2021-07-27 Compliance Passed
2021-05-26 Initial Failed for Rat Activity
2019-04-11 Initial Passed
2018-06-27 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

1 Class A
5 Class B
8 Class C
Driving this immediately hazardous rating
Class C Active mice infestation 2025-12-24
Class C Visible mold — remediation required 2025-01-31
See all 14 violations ▼
Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 19D, 19th STORY, 2nd APARTMENT FROM WEST AT NORTH
2025-12-24 ▼

Violation ID: #18536280

Current Status: Open

Date Issued: 2025-12-24T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 19D, 19th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class C § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 30 SQ FEET AT ALL WALLS IN THE BATHROOM LOCATED AT APT 2M, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH
2025-01-31 ▼

Violation ID: #17669885

Current Status: Open

Date Issued: 2025-01-31T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 30 SQ FEET AT ALL WALLS IN THE BATHROOM LOCATED AT APT 2M, 2nd STORY, 3rd 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 39H, 39th STORY, 1st APARTMENT FROM WEST AT NORTH
2025-01-26 ▼

Violation ID: #17651691

Current Status: Open

Date Issued: 2025-01-26T00:00:00.000

Description: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 39H, 39th STORY, 1st APARTMENT FROM WEST AT NORTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 31D, 31st STORY, 2nd APARTMENT FROM WEST AT NORTH
2024-12-11 ▼

Violation ID: #17546115

Current Status: Open

Date Issued: 2024-12-11T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 31D, 31st STORY, 2nd APARTMENT FROM WEST AT NORTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 7U, 7th STORY, 2nd APARTMENT FROM WEST AT NORTH , 1st SECTION FROM WEST AT NORTH
2024-05-22 ▼

Violation ID: #16989822

Current Status: Open

Date Issued: 2024-05-22T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 7U, 7th STORY, 2nd APARTMENT FROM WEST AT NORTH , 1st SECTION FROM WEST AT NORTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 7L, 7th STORY, 4th APARTMENT FROM EAST AT SOUTH
2024-03-15 ▼

Violation ID: #16757090

Current Status: Open

Date Issued: 2024-03-15T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 7L, 7th STORY, 4th 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 6R, 6th STORY, 5th APARTMENT FROM WEST AT NORTH
2024-03-15 ▼

Violation ID: #16757102

Current Status: Open

Date Issued: 2024-03-15T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6R, 6th STORY, 5th APARTMENT FROM WEST AT NORTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2U, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH
2024-03-15 ▼

Violation ID: #16757150

Current Status: Open

Date Issued: 2024-03-15T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2U, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH

Class B § 27-2005, 2012 HMC & § 309 MDL: ABATE THE NUISANCE CONSISTING OF EXCESSIVE STORAGE OF MATERIAL BOXES AND HOUSEHOLD ITEMS IN THE ENTIRE APARTMENT LOCATED AT APT 12E, 12th STORY, 1st APARTMENT FROM NORTH AT EAST
2025-12-08 ▼

Violation ID: #18500598

Current Status: Open

Date Issued: 2025-12-08T00:00:00.000

Description: § 27-2005, 2012 HMC & § 309 MDL: ABATE THE NUISANCE CONSISTING OF EXCESSIVE STORAGE OF MATERIAL BOXES AND HOUSEHOLD ITEMS IN THE ENTIRE APARTMENT LOCATED AT APT 12E, 12th STORY, 1st APARTMENT FROM NORTH AT EAST

Class B § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... MORE THAN 10 SQ FEET AT CEILING AND ALL WALLS AT CLOSET IN THE BATHROOM LOCATED AT APT 2M, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH
2025-11-20 ▼

Violation ID: #18439409

Current Status: Open

Date Issued: 2025-11-20T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... MORE THAN 10 SQ FEET AT CEILING AND ALL WALLS AT CLOSET IN THE BATHROOM LOCATED AT APT 2M, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH

Class B § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ FEET AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 2M, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 18439425 ISSUED 20-NOV-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b).
2025-11-20 ▼

Violation ID: #18739560

Current Status: Open

Date Issued: 2025-11-20T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ FEET AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 2M, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 18439425 ISSUED 20-NOV-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b).

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOCK AND ASSEMBLY AT DOOR LEADING TO BALCONY IN THE 3rd ROOM FROM EAST LOCATED AT APT 7U, 7th STORY, 2nd APARTMENT FROM WEST AT NORTH , 1st SECTION FROM WEST AT NORTH
2024-05-22 ▼

Violation ID: #16989824

Current Status: Open

Date Issued: 2024-05-22T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOCK AND ASSEMBLY AT DOOR LEADING TO BALCONY IN THE 3rd ROOM FROM EAST LOCATED AT APT 7U, 7th STORY, 2nd APARTMENT FROM WEST AT NORTH , 1st SECTION FROM WEST AT NORTH

Class B § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT CEILING (APPROX. 15 SQ. FT.) IN THE BATHROOM LOCATED AT APT 6R, 6th STORY, 5th APARTMENT FROM WEST AT NORTH
2024-03-15 ▼

Violation ID: #16757095

Current Status: Open

Date Issued: 2024-03-15T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT CEILING (APPROX. 15 SQ. FT.) IN THE BATHROOM LOCATED AT APT 6R, 6th STORY, 5th APARTMENT FROM WEST AT NORTH

Class A § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM SYSTEM FROM BUILDING FRONT DESK TO WEST WALL IN THE FOYER LOCATED AT APT 7U, 7th STORY, 2nd APARTMENT FROM WEST AT NORTH , 1st SECTION FROM WEST AT NORTH
2024-05-22 ▼

Violation ID: #16989823

Current Status: Open

Date Issued: 2024-05-22T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM SYSTEM FROM BUILDING FRONT DESK TO WEST WALL IN THE FOYER LOCATED AT APT 7U, 7th STORY, 2nd APARTMENT FROM WEST AT NORTH , 1st SECTION FROM WEST AT NORTH

⚠️ 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 8 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 44 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 44 complaints and 8 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.