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420 East 21 Street

Brooklyn, NY 11226BBL 3-05151-0021Map

Owner of record: 402 Cortelyou Road LLC

420 East 21 Street is a walk-up apartment building built in 1924 in Brooklyn, 11226. It has 32 residential units across 4 floors. The owner of record is 402 Cortelyou Road LLC. HPD has recorded 241 housing violations here, most recently on September 4, 2026. 5 of the 50 most recent violations are still open. City tax records listed 25 rent-stabilized apartments here in 2024.

HPD violations
241
DOB violations
8
ECB violations
6
HPD complaints
592

What to know

Concern
1 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Sep 4, 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

Rent-stabilized units in 2024
25
About 78% of the building's 32 apartments

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.

Stabilized units by tax-bill year

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 · 241

  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 103, 1st story, 1st apartment from west at north , section ''south''

    Sep 4, 2026 · Apt 103

    Open — Civ14 mailed
  • B

    Properly repair or replace the broken or defective rubber gasket at lower refrigerator door in the kitchen located at apt 103, 1st story, 1st apartment from west at north , section ''south''

    Sep 4, 2026 · Apt 103

    Open — Civ14 mailed
  • B

    Properly repair with similar material the broken or defective wood floor in the kitchen located at apt 103, 1st story, 1st apartment from west at north , section ''south''

    Sep 4, 2026 · Apt 103

    Open — Civ14 mailed
  • B

    Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at 2nd stack from west at north at fire escape

    Sep 4, 2026

    Open — Nov certified on time
  • 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

    May 20, 2026

    Closed — Violation closed
  • C

    Provide hot water at all hot water fixtures in the 3rd room from north located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Jan 28, 2026 · Apt 204

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 302, 3rd story, 1st apartment from east at south

    Nov 12, 2025 · Apt 302

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 103, 1st story, 1st apartment from west at north

    Aug 29, 2025 · Apt 103

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all walls and ceiling in the entire apartment located at apt 103, 1st story, 1st apartment from west at north

    Aug 29, 2025 · Apt 103

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective base cabinet at south wall in the kitchen located at apt 103, 1st story, 1st apartment from west at north

    Aug 29, 2025 · Apt 103

    Closed — Violation dismissed
Show 40 more ↓
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 303, 3rd story, 1st apartment from west at north , section at south

    Jul 3, 2025 · Apt 303

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 303, 3rd story, 1st apartment from west at north , section at south

    Jul 3, 2025 · Apt 303

    Closed — Violation dismissed
  • B

    Trace and repair the source and abate the visible mold condition... more than 10 square feet of mold in the bathroom located at apt 303, 3rd story, 1st apartment from west at north , section at south

    Jul 3, 2025 · Apt 303

    Open — Defect letter issued
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroom located at apt 303, 3rd story, 1st apartment from south at west

    Jan 4, 2025 · Apt 303

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 204, 2nd story, 1st apartment from west at north

    Dec 23, 2024 · Apt 204

    Closed — Violation dismissed
  • C

    Provide ready access to buildings heating system door locked at cellar

    Dec 23, 2024

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective mixing valve at bathtub in the bathroom located at apt 402, 4th story, 1st apartment from east at south , section at south

    Dec 10, 2024 · Apt 402

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 402, 4th story, 1st apartment from east at south , section at south

    Dec 10, 2024 · Apt 402

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 402, 4th story, 1st apartment from east at south , section at south

    Dec 10, 2024 · Apt 402

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at bulkhead door leading to roof

    Oct 20, 2024

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 400, 4th story, 1st apartment from north at east

    Oct 20, 2024 · Apt 400

    Closed — Violation closed
  • B

    Remove the illegal fastening slide bolt capable of being padlocked at bulkhead door leading to roof

    Oct 20, 2024

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the north wall in the foyer located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation dismissed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st closet from east at south wall door, 1st closet from east at south wall door frame, 1st window frame from west at north wall in the 1st room from east located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) north wall in the 4th room from east at north located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard-paint that is xrf tested inconclusive for lead content at 0.5mg/cm2 and is presumed lead paint as set forth in (28 rcny §11-07(b)) and that is peeling or on a deteriorated subsurface-using work practices set forth in 28 rcny §11-06(b)(2) 1st door from east at south wall in the 3rd room from east at north located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) east wall in the foyer located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at 1st closet from east at south wall wall, west wall in the 1st room from east located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation dismissed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st closet from east at south wall door, west wall in the private hallway located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective ceramic floor tile in the private hallway located at apt 204, 2nd story, 1st apartment from west at north , section ''south''

    Sep 16, 2024 · Apt 204

    Closed — Violation dismissed
  • A

    Repair the flushing apparatus and maintain same so as to flush effectively the water closet flusher in the bathroom located at apt 303, 3rd story, 1st apartment from south at west

    Aug 26, 2024 · Apt 303

    Closed — Violation dismissed
  • A

    Refit at wash basin in the bathroom located at apt 303, 3rd story, 1st apartment from south at west

    Aug 26, 2024 · Apt 303

    Closed — Violation dismissed
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 sq feet at window sill and at south wall in the bathroom located at apt 303, 3rd story, 1st apartment from south at west

    Aug 26, 2024 · Apt 303

    Closed — Violation closed
  • A

    Cleanse to the satisfaction of this department the mold condition at bathtub in the bathroom located at apt 303, 3rd story, 1st apartment from south at west

    Aug 26, 2024 · Apt 303

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the bathroom located at apt 303, 3rd story, 1st apartment from south at west

    Aug 26, 2024 · Apt 303

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 303, 3rd story, 1st apartment from south at west

    Aug 26, 2024 · Apt 303

    Closed — Violation dismissed
  • B

    Trace and repair the source and abate the visible mold condition... less than 10 sq feet at window sill and at south wall in the bathroom located at apt 303, 3rd story, 1st apartment from south at west original violation 17223609 issued 26-aug-24 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Aug 26, 2024 · Apt 303

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door frame from east at south wall in the bathroom located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st closet from east at south wall door, 1st door frame from south at west wall in the private hallway located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door frame from east at south wall in the 1st room from north at east located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door from north at east wall, 1st door frame from north at east wall, south wall, east wall, 1st window frame from east at south wall in the 1st room from north at west located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation closed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door frame from north at east wall in the kitchen located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling in the bathroom located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective wood floor at bottom base cabinet at south wall in the kitchen located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective unhinged 3rd and 4th door at upper cabinet , north wall in the kitchen located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation dismissed
  • A

    Properly repair or replace the broken or defective drain stopper at bathtub in the bathroom located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department the south wall in the kitchen located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation dismissed
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door frame from south at west wall, east wall in the 2nd room from north at east located at apt 204, 2nd story, 1st apartment from west at north

    Aug 2, 2024 · Apt 204

    Closed — Violation closed
  • 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.

    Mar 22, 2023

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 103, 1st story, 1st apartment from west at north

    Feb 8, 2023 · Apt 103

    Closed — Violation closed

DOB building violations · 8

  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Aug 22, 2018

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Aug 22, 2018

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 1, 2009

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 3, 2008

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 19, 2007

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 31, 2005

    Dob violation - active
  • Construction other optional

    C-construction other optional

    Nov 20, 2000

    Dob violation - active

ECB violations · 6

  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35322726z issued on 05-24-18 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01. remedy: comply w/comm's order &/or file a c of c.

    Jul 20, 2018 · Penalty $625

    Resolve
  • Class - 1

    Failure to safeguard all persons and property affected by constructionoperations.noted:retaining wall between 420 east 21st and 412 east 21 street has partially collapsed during construction operations.section

    May 24, 2018 · Penalty $25,000

    Resolve
  • Class - 1

    Work without a permit.noted:retaining wall between 420 e 21 and 412 e 21 st has partially collapsed during construction operations.work was performed without a permit.rem:obtain permit.stop all work contact dep

    May 24, 2018 · Penalty $4,000

    Resolve
  • Class - 3

    Violation of parking regulations in a residential district. residential district is r6a. at time of inspection two (2) motor vehicles are parked in northeast end of lot passengeway. curb is concrete and painted

    May 7, 2010 · Penalty $500

    Active
  • Class - 2

    Illegal use in a residential district. residential district is r6h at time of inspection one(1) motor vehicle with no visible license plate,inspection and/or registration stickers are stored on northeast(passe

    May 7, 2010 · Penalty $4,000

    Active
  • Non-hazardous

    B4a,34a,48a,50a,50b. (50a) shut off valve between coil and safety valve. (50b) anti syphon valve missing from oil supply line

    Aug 6, 2003

    Resolve

Complaints

  • Electric

    No lighting

    Oct 4, 2026 · Apt 101

    Open
  • Electric

    No lighting

    Oct 4, 2026 · Apt 101

    Open
  • Electric

    Power outage

    Oct 4, 2026 · Apt 101

    Open
  • Appliance

    Refrigerator

    Aug 21, 2026 · Apt 103

    Close
  • Unsanitary condition

    Pests

    Aug 21, 2026 · Apt 103

    Close
  • Flooring/stairs

    Floor

    Aug 21, 2026 · Apt 103

    Close
  • Plumbing

    Toilet

    Jun 20, 2026 · Apt 405

    Close
  • Water leak

    Heavy flow

    May 10, 2026 · Apt 101

    Close
  • Heat/hot water

    Entire building

    Mar 23, 2026 · Apt 204

    Close
  • Heat/hot water

    Entire building

    Feb 8, 2026 · Apt 201

    Close
Show 40 more ↓
  • Heat/hot water

    Entire building

    Feb 8, 2026 · Apt 204

    Close
  • Heat/hot water

    Entire building

    Feb 8, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Feb 7, 2026 · Apt 103

    Close
  • Heat/hot water

    Apartment only

    Feb 4, 2026 · Apt 204

    Close
  • Heat/hot water

    Entire building

    Jan 26, 2026 · Apt 204

    Close
  • Heat/hot water

    Entire building

    Jan 20, 2026 · Apt 204

    Close
  • Heat/hot water

    Entire building

    Jan 20, 2026 · Apt 201

    Close
  • Heat/hot water

    Apartment only

    Dec 9, 2025 · Apt 204

    Close
  • Heat/hot water

    Entire building

    Nov 18, 2025 · Apt 204

    Close
  • Heat/hot water

    Apartment only

    Nov 17, 2025 · Apt 204

    Close
  • Heat/hot water

    Apartment only

    Nov 17, 2025 · Apt 208

    Close
  • Heat/hot water

    Entire building

    Nov 11, 2025 · Apt 302

    Close
  • Heat/hot water

    Entire building

    Nov 11, 2025 · Apt 201

    Close
  • Heat/hot water

    Apartment only

    Oct 20, 2025 · Apt 201

    Close
  • Unsanitary condition

    Mold

    Aug 27, 2025 · Apt 103

    Close
  • Paint/plaster

    Wall

    Aug 27, 2025 · Apt 103

    Close
  • Paint/plaster

    Ceiling

    Aug 27, 2025 · Apt 103

    Close
  • Heat/hot water

    Apartment only

    Feb 19, 2025 · Apt 103

    Close
  • Unsanitary condition

    Mold

    Feb 19, 2025 · Apt 103

    Close
  • Plumbing

    Water supply

    Feb 19, 2025 · Apt 103

    Close
  • Plumbing

    Basin/sink

    Feb 19, 2025 · Apt 103

    Close
  • Plumbing

    Toilet

    Feb 19, 2025 · Apt 103

    Close
  • Paint/plaster

    Wall

    Feb 19, 2025 · Apt 103

    Close
  • Heat/hot water

    Apartment only

    Feb 19, 2025 · Apt 106

    Close
  • Heat/hot water

    Entire building

    Jan 22, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 20, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 13, 2025 · Apt 303

    Close
  • Heat/hot water

    Entire building

    Jan 7, 2025 · Apt 208

    Close
  • Heat/hot water

    Entire building

    Jan 7, 2025 · Apt 201

    Close
  • Heat/hot water

    Entire building

    Jan 7, 2025 · Apt 204

    Close
  • Heat/hot water

    Entire building

    Jan 6, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Jan 2, 2025 · Apt 303

    Close
  • Heat/hot water

    Entire building

    Dec 26, 2024 · Apt APT204

    Close
  • Heat/hot water

    Entire building

    Dec 25, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 25, 2024 · Apt 201

    Close
  • Heat/hot water

    Entire building

    Dec 24, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 24, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Dec 24, 2024 · Apt 303

    Close
  • Heat/hot water

    Entire building

    Dec 23, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 22, 2024 · 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 (C1)
Year built
1924
Floors
4
Residential units
32
Building area
26,010 ft²
Lot area
10,950 ft²
Zoning
R6A
Community board
314
Council district
40
Block / lot
5151 / 21
Assessed value
$1,127,700
Landmark / historic district
No

HPD registration #331175, last renewed Sep 15, 2025.

Questions about 420 East 21 Street

Who owns 420 East 21 Street?

The owner of record in NYC Department of City Planning PLUTO data is 402 Cortelyou Road LLC.

Does 420 East 21 Street have violations?

Yes. NYC HPD has recorded 241 housing violations at this property.

Is 420 East 21 Street rent stabilized?

NYC Department of Finance tax bills listed 25 rent-stabilized units here in 2024 (about 78% of its 32 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 420 East 21 Street built?

City records list 1924 as the year it was built.

How many apartments are in 420 East 21 Street?

It has 32 residential units.

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