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7424 21 Avenue

Brooklyn, NY 11204BBL 3-06218-0041Map

Owner of record: Cheong Wing Lau

7424 21 Avenue is a walk-up apartment building built in 1927 in Brooklyn, 11204. It has 6 residential units across 3 floors. The owner of record is Cheong Wing Lau. HPD has recorded 376 housing violations here, most recently on October 19, 2026. 47 of the 50 most recent violations are still open.

HPD violations
376
DOB violations
3
ECB violations
2
HPD complaints
1,601

What to know

Concern
22 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Oct 19, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 376

  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Oct 19, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    Oct 17, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    Oct 17, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    M/d law abate the nuisance consisting of hot water exceeding the maximum temperature of 130 degrees at all hot water fixtures in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    Oct 17, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective lower sash window balance at south wall in the 1st room from north located at apt 3b, 3rd story, 1st apartment from north at east

    Oct 16, 2026 · Apt 3B

    Open — Nov sent out
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    Oct 13, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Provide ready access to buildings heating system door locked at basement at boiler room

    Oct 7, 2026

    Open — Nov sent out
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    Oct 7, 2026 · Apt 3B

    Open — Nov certified on time
  • B

    Repair the leaky and/or defective faucets at sink in the kitchen located at apt 3b, 3rd story, 1st apartment from north at east

    Oct 5, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the garbage and construction material at building front

    Oct 4, 2026

    Open — Nov sent out
Show 40 more ↓
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at building entrance door , 1st story

    Sep 30, 2026

    Open — Nov sent out
  • A

    Properly repair or replace the broken or defective window balanses at lower sash window at south wall in the 2nd room from east located at apt 3b, 3rd story, 1st apartment from north at east

    Jul 27, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective window balanses at lower sash window at east wall in the 2nd room from north located at apt 3b, 3rd story, 1st apartment from west at north

    Jul 10, 2026 · Apt 3B

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the the floors at all stories at public hall stairs

    Jun 8, 2026

    Open — Nov sent out
  • B

    Replace with new the missing lower screen mesh at skylight

    Jun 8, 2026

    Open — Nov sent out
  • C

    Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at .. yard

    Jun 8, 2026

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Jun 8, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • B

    Properly repair with similar material the broken or defective ceramic floor tiles at public hall, 3rd story

    Jun 8, 2026

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the foyer located at apt 3b, 3rd story, 1st apartment from west at north

    Jun 3, 2026 · Apt 3B

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Jun 3, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Jun 3, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • B

    Properly repair or replace the broken or defective lower window sash counter balance at 1st widow from north at east in the 2nd room from north located at apt 3b, 3rd story, 1st apartment from west at north

    Jun 3, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective ceramic tiles at landing area at public hall, 2nd story

    Jun 3, 2026

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the all storys stairs and landings at public hall stairs

    Jun 3, 2026

    Open — Nov sent out
  • C

    Abate the infestation consisting of roaches at public hall

    Jun 3, 2026

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective ceramic tiles at landing area at public hall, 3rd story

    Jun 3, 2026

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective counter balances at lower sash window in the 1st room from east located at apt 3b, 3rd story, 1st apartment from west at north

    May 27, 2026 · Apt 3B

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    May 27, 2026 · Apt 3B

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective lower sash window balanses at south wall in the 2nd room from east located at apt 3b, 3rd story, 1st apartment from north at east

    May 21, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective lower sash window balanses at south wall in the 2nd room from east located at apt 3b, 3rd story, 1st apartment from north at east

    May 11, 2026 · Apt 3B

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    May 6, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east

    May 6, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system mailbox full ph 9293128451 for person who have key from boiler room at public hall, 1st story

    May 6, 2026

    Open — Nov sent out
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the 1st yard from east

    May 6, 2026

    Open — Nov sent out
  • A

    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.

    May 1, 2026

    Open — Nov sent out
  • B

    Nyc fire code § 703.1.3; nyc fire code § 703.2: adjust door to prevent gaps between the top and side edges of door and door jamb exceeding the maximum allowable clearance of 1/8 of an inch and maximum allowable clearance of 3/4 of an inch between the door bottom and sill at door in the entrance located at apt 3b, 3rd story, 1st apartment from west at north

    Apr 3, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules defective in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Apr 3, 2026 · Apt 3B

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations defective in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Apr 3, 2026 · Apt 3B

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the visible mold at grout joints of the ceramic tiles at west and north walls around bathtub, in the bathroom located at apt 3b, 3rd story, 1st apartment from west at north

    Apr 3, 2026 · Apt 3B

    Open — Nov sent out
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes metal cook pots on the , at fire escape at east , 2nd story

    Apr 3, 2026

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3b, 3rd story, 1st apartment from west at north

    Apr 3, 2026 · Apt 3B

    Open — Nov sent out
  • C

    M/d law abate the nuisance consisting of hotwater exceeded allowed temperature of the 130.f degrees at hotwater fixture, in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Apr 3, 2026 · Apt 3B

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Apr 3, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at the vestibule door at public hall, 1st story

    Mar 30, 2026

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges springs, in the entrance located at apt 3b, 3rd story, 1st apartment from west at north

    Mar 30, 2026 · Apt 3B

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Mar 30, 2026 · Apt 3B

    Open — Notice of issuance sent to tenant
  • C

    M/d law abate the nuisance consisting of hotwater exceeded allowed temperature of the 130.f degrees at hotwater fixtures, in the entire apartment located at apt 3b, 3rd story, 1st apartment from west at north

    Mar 30, 2026 · Apt 3B

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the visible mold at caulking, grouts joints of the ceramic tiles at west, north and east walls around bathtub, in the bathroom located at apt 3b, 3rd story, 1st apartment from west at north

    Mar 30, 2026 · Apt 3B

    Open — Nov sent out
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in private dwellings missing sign,

    Mar 16, 2026

    Closed — Violation closed
  • A

    Post a proper notice regarding rent stabilization law, in a form approved by the commissioner, in a conspicuous location within the common area at the buildings entrance. for more information about signage requirements, please visit: https://www.nyc.gov/site/hpd/services-and-information/required-signage.page

    Mar 16, 2026

    Open — Not complied with

DOB building violations · 3

  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1994

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 16, 1993

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1993

    Dob violation - active

ECB violations · 2

  • Class - 2

    Observed one weil mclain gas fired boiler with a plug in the back flow, the temperature and pressure gauge is defective, the boiler room door does not close. observed an ao smith water heater leaking water. cor

    Oct 8, 2025 · Penalty $1,250

    Resolve
  • Class - 3

    B354,15,16,32a,38,50a. 50a- no sign in hallway for basement location or super's phone # of location.

    Sep 7, 2011 · Penalty $200

    Active

Complaints

  • Heat/hot water

    Entire building

    Oct 23, 2026 · Apt BLDG

    Open
  • Unsanitary condition

    Pests

    Oct 23, 2026 · Apt 3B

    Open
  • Heat/hot water

    Entire building

    Oct 22, 2026 · Apt 3B

    Open
  • Heat/hot water

    Entire building

    Oct 21, 2026 · Apt BLDG

    Open
  • Door/window

    Window pane

    Oct 20, 2026 · Apt 3B

    Open
  • Unsanitary condition

    Pests

    Oct 20, 2026 · Apt 3B

    Open
  • Heat/hot water

    Apartment only

    Oct 20, 2026 · Apt 3B

    Open
  • Unsanitary condition

    Pests

    Oct 18, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 18, 2026 · Apt 3B

    Close
  • Unsanitary condition

    Pests

    Oct 17, 2026 · Apt 3B

    Close
Show 40 more ↓
  • Heat/hot water

    Entire building

    Oct 16, 2026 · Apt BLDG

    Close
  • Electric

    Power outage

    Oct 16, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 16, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 16, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 14, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 14, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 13, 2026 · Apt BLDG

    Close
  • Door/window

    Window frame

    Oct 13, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 13, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 12, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 11, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 10, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 10, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 10, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 9, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 9, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 9, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 9, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 9, 2026 · Apt BLDG

    Close
  • Unsanitary condition

    Pests

    Oct 8, 2026 · Apt 3B

    Close
  • Unsanitary condition

    Pests

    Oct 8, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 7, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 7, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 7, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 6, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 6, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 5, 2026 · Apt 3B

    Close
  • Heat/hot water

    Apartment only

    Oct 5, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 4, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 4, 2026 · Apt 3B

    Close
  • Heat/hot water

    Entire building

    Oct 4, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 3, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 3, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 3, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 1, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 1, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Sep 30, 2026 · Apt BLDG

    Close
  • Plumbing

    Water supply

    Sep 30, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Sep 27, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Sep 27, 2026 · Apt BLDG

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Walk-up apartment building (C2)
Year built
1927
Floors
3
Residential units
6
Building area
5,214 ft²
Lot area
2,600 ft²
Zoning
R5
Community board
311
Council district
43
Block / lot
6218 / 41
Assessed value
$574,650
Landmark / historic district
No

HPD registration #328483, last renewed Feb 6, 2026.

Questions about 7424 21 Avenue

Who owns 7424 21 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Cheong Wing Lau.

Does 7424 21 Avenue have violations?

Yes. NYC HPD has recorded 376 housing violations at this property.

Is 7424 21 Avenue rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 7424 21 Avenue built?

City records list 1927 as the year it was built.

How many apartments are in 7424 21 Avenue?

It has 6 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.