304 West 21 Street
Manhattan, NY 10011BBL 1-00744-0044Map
Owner of record: Avanti Realty Corp
304 West 21 Street is a walk-up apartment building built in 1900 in Manhattan, 10011. It has 20 residential units across 5 floors. The owner of record is Avanti Realty Corp. HPD has recorded 23 housing violations here, most recently on November 26, 2025. 4 of the 23 most recent violations are still open. City tax records listed 10 rent-stabilized apartments here in 2024.
- HPD violations
- 23
- DOB violations
- 2
- ECB violations
- 6
- HPD complaints
- 27
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.
Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 23
- ANon-hazardous
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
Nov 26, 2025 · Apt 3D
Closed — Violation closed - BHazardous
Properly repair or replace the broken or defective counter balance at upper window sash 2nd window from east at south in the 2nd room from north located at apt 3d, 3rd story, 1st apartment from south at west
Nov 26, 2025 · Apt 3D
Closed — Violation dismissed - BHazardous
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
Nov 26, 2025 · Apt 3D
Open — Nov sent out - BHazardous
Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 3d, 3rd story, 1st apartment from south at west
Nov 26, 2025 · Apt 3D
Closed — Violation dismissed - BHazardous
Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt 3d, 3rd story, 1st apartment from south at west
Nov 26, 2025 · Apt 3D
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3d, 3rd story, 1st apartment from south at west
Nov 26, 2025 · Apt 3D
Closed — Violation dismissed - BHazardous
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).
Nov 26, 2025 · Apt 3D
Open — Defect letter issued - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 1d, 1st story, 1st apartment from east at south
Jan 31, 2025 · Apt 1D
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 1d, 1st story, 1st apartment from east at south
Jan 31, 2025 · Apt 1D
Closed — Violation dismissed - ANon-hazardous
§ 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
Jan 31, 2025 · Apt 1D
Open — Nov sent out
Show 13 more ↓
- BHazardous
Discontinue use of rooms for living, disconnect plumbing fixtures and properly seal pipe connections at water closet, washbasin and shower stall at cellar
Jan 31, 2025
Open — Nov sent out - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Feb 16, 2022
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective wood floor in the 1st room from north located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed - BHazardous
Properly repair and abate unsafe electric wiring condition consisting of exposed electrical wires at ceiling in the 1st room from north located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective ceramic wall tiles in the bathroom located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective wood floor in the kitchen located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed - ANon-hazardous
§ 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 suspended ceiling in the kitchen located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed - ANon-hazardous
Refit the door in the entrance located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling at public hall, 1st story
Aug 11, 2016
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective fire retardant material at ceiling at public hall, 1st story
Aug 11, 2016
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the ceiling at public hall, 1st story
Aug 11, 2016
Closed — Violation closed - BHazardous
Repair or replace the smoke detector missing located at apt 1b, 1st story, 1st apartment from north at east
Aug 11, 2016 · Apt 1B
Closed — Violation closed
DOB building violations · 2
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Sep 16, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 10, 1997
Dob violation - dismissed
ECB violations · 6
- Class - 2
Occupancy contrary to that allowed by c of o and department of buildings records. circular stairs installed and pierced through floor leading to cellar creating an illegal duplex located at apt 1d, 1st story 1s
Jan 31, 2025 · Penalty $6,250
Active - Class - 2
Failure to maintain bldg in a code-compliant manner. noted: at ne corner the parapet has cracks and weathered mortar joint and stucco. remedy: make safe immediately. repair defects and maintain bldg
Apr 20, 2011
Resolve - Class - 1
Failure to maintain bldg in code compliant manner noted the following conditions the new brick parapet wall installed at the bldg front facade does not appear to be keyed into the bldg east parapet wall the eas
Jul 23, 2010 · Penalty $5,000
Active - Non-hazardous
No permit sign for sidewalk shed- required signage not posted on shed as per d.o.b. regulations (a/c code). remedy: post required signage.
Sep 1, 2005
Resolve - Non-hazardous
Work without a permit. work noted: masonry block wall approx h9'xl20' erected at basement. remedy: file plans, obtain approval and permits.
Aug 31, 1995
Resolve - Non-hazardous
Work without a permit:work noted:1-installed with partition walls at cellar foring vtility room &bathroom.2-installation of spirs/stair connecting apt 1d at 1st floor rear with rooms constructed @ cellar.
Jan 3, 1995
Resolve
Complaints
- Unsanitary condition
Mold
Nov 19, 2025 · Apt 3D
Close - Door/window
Window frame
Nov 19, 2025 · Apt 3D
Close - Water leak
Slow leak
Nov 19, 2025 · Apt 3D
Close - Unsanitary condition
Mold
Jan 10, 2025 · Apt 1D
Close - Paint/plaster
Wall
Aug 7, 2016 · Apt 1B
Close - Flooring/stairs
Floor
Aug 7, 2016 · Apt 1B
Close - Flooring/stairs
Floor
Aug 7, 2016 · Apt 1B
Close - Plumbing
Water-leaks
Jan 14, 2014 · Apt 2A
Close - General
Mold
Jan 14, 2014 · Apt 2A
Close - Heating
Heat related
Jan 27, 2005 · Apt 2B
Close
Show 17 more ↓
- Nonconst
Vermin
Sep 28, 2004 · Apt 4B
Close - Nonconst
Vermin
Sep 28, 2004 · Apt 4B
Close - General
Ceramic-tile
Sep 28, 2004 · Apt 4B
Close - Nonconst
Smoke detector
Sep 28, 2004 · Apt 4B
Close - Electric
Bell-buzzer/intercom
Sep 28, 2004 · Apt 4B
Close - Construction
Roof
Sep 28, 2004 · Apt 4B
Close - Appliance
Electric/gas range
Sep 28, 2004 · Apt 4B
Close - Plumbing
Basin/sink
Sep 28, 2004 · Apt 4B
Close - Plumbing
Basin/sink
Sep 28, 2004 · Apt 4B
Close - Electric
Lighting
Sep 28, 2004 · Apt 4B
Close - Paint/plaster
Ceiling
Jun 25, 2004 · Apt 4C
Close - Paint/plaster
Ceiling
Jun 25, 2004 · Apt 4C
Close - Paint/plaster
Wall
Jun 25, 2004 · Apt 4C
Close - Paint/plaster
Ceiling
Jun 25, 2004 · Apt 4C
Close - Paint/plaster
Wall
Jun 25, 2004 · Apt 4C
Close - Paint/plaster
Wall
Jun 25, 2004 · Apt 4C
Close - Paint/plaster
Ceiling
Jun 25, 2004 · Apt 4C
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C4)
- Year built
- 1900
- Floors
- 5
- Residential units
- 20
- Building area
- 8,720 ft²
- Lot area
- 2,300 ft²
- Zoning
- R7B
- Community board
- 104
- Council district
- 3
- Block / lot
- 744 / 44
- Assessed value
- $958,950
- Landmark / historic district
- No
HPD registration #126845, last renewed Oct 16, 2025.
Questions about 304 West 21 Street
Who owns 304 West 21 Street?
The owner of record in NYC Department of City Planning PLUTO data is Avanti Realty Corp.
Does 304 West 21 Street have violations?
Yes. NYC HPD has recorded 23 housing violations at this property.
Is 304 West 21 Street rent stabilized?
NYC Department of Finance tax bills listed 10 rent-stabilized units here in 2024 (about 50% of its 20 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 304 West 21 Street built?
City records list 1900 as the year it was built.
How many apartments are in 304 West 21 Street?
It has 20 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.