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304 West 21st Street, Manhattan

📍 Chelsea, Manhattan Built 1900 20 units Class C4 Residential
Registered to VITO R VERNI Corporation HPD registration · updated monthly
HIGH RISK
4 Open Violations
3B 1A
3 Complaints (12 mo) ↓ down vs prior year
0 Last 30 Days
3 hazardous (Class B) violations currently open. Review the full list below and document existing conditions at move-in.

311 Complaint Summary

0
Last 30 Days
0
Last 90 Days
3
Last 365 Days
✅ Complaints are down 100% compared to the previous 6 months.
Complaint Types (Last 12 Months)
WATER LEAK
1(33%)
UNSANITARY CONDITION
1(33%)
DOOR/WINDOW
1(33%)
📅 Monthly Activity Heatmap (Last 12 Months)
Aug
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Source: NYC 311 / HPD · Synced daily · Covers HPD-managed residential buildings · Records from Jan 2024 onward

DOHMH Rat Inspection History

16 Inspections on Record
Failed for Rat Activity Most Recent Result
2026-05-28 Most Recent Date
2026-05-28 Initial Failed for Rat Activity
2025-11-24 Initial Passed
2025-06-27 Initial Passed
2024-07-19 Initial Passed
2023-06-27 Initial Passed
2022-10-12 Initial Passed
2022-03-10 Initial Passed
2021-07-26 Initial Passed
2019-08-29 Initial Passed
2019-02-21 Initial Passed
2018-05-22 Initial Passed
2017-01-18 Initial Passed
2016-02-26 Initial Passed
2012-08-28 Initial Passed
2011-06-01 Initial Passed
2010-06-01 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
3 Class B
0 Class C
Driving this hazardous violations rating
Class B Visible mold — remediation required 2025-11-26
Class B Properly repair with similar material the broken or defective ceramic tiles at east and west wall in the… 2025-11-26
See all 4 violations ▼
Class B § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ.FT AT EAST AND SOUTH WALL IN THE BATHROOM LOCATED AT APT 3D, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST ORIGINAL VIOLATION 18444005 ISSUED 26-NOV-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b).
2025-11-26 ▼

Violation ID: #18748623

Current Status: Open

Date Issued: 2025-11-26T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ.FT AT EAST AND SOUTH WALL IN THE BATHROOM LOCATED AT APT 3D, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST ORIGINAL VIOLATION 18444005 ISSUED 26-NOV-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b).

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILES AT EAST AND WEST WALL IN THE BATHROOM LOCATED AT APT 3D, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-11-26 ▼

Violation ID: #18444007

Current Status: Open

Date Issued: 2025-11-26T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILES AT EAST AND WEST WALL IN THE BATHROOM LOCATED AT APT 3D, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST

Class B § 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS AT WATER CLOSET, WASHBASIN AND SHOWER STALL AT CELLAR
2025-01-31 ▼

Violation ID: #17677900

Current Status: Open

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

Description: § 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS AT WATER CLOSET, WASHBASIN AND SHOWER STALL AT CELLAR

Class A § 300 M/D LAW FILE PLANS AND APPLICATION AND LEGALIZE THE FOLLOWING ALTERATION OR RESTORE TO THE LEGAL CONDITION EXISTING PRIOR TO THE MAKING OF SAID ALTERATION CONSISTING CIRCULAR STAIRS INSTALLED AND PIERCED THROUGH FLOOR LEADING TO CELLAR CREATING A DUPLEX LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-01-31 ▼

Violation ID: #17677898

Current Status: Open

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

Description: § 300 M/D LAW FILE PLANS AND APPLICATION AND LEGALIZE THE FOLLOWING ALTERATION OR RESTORE TO THE LEGAL CONDITION EXISTING PRIOR TO THE MAKING OF SAID ALTERATION CONSISTING CIRCULAR STAIRS INSTALLED AND PIERCED THROUGH FLOOR LEADING TO CELLAR CREATING A DUPLEX LOCATED AT APT 1D, 1st STORY, 1st 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.

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 3 Class B (hazardous) violations currently open. Prospective renters should review the full violation list, request HPD inspection history before signing, and document all existing conditions in writing at move-in.

Data current as of July 8, 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 8, 2026 · Source: NYC Open Data

⚠️ Notable Issues Found

This building has 3 complaints and active hazardous violations. We recommend reviewing the full history before making a decision.

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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 8, 2026.