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501 East 21 Street

Brooklyn, NY 11226BBL 3-05185-0001Map

Owner of record: 525 East 21 Corp

501 East 21 Street is a walk-up apartment building built in 1931 in Brooklyn, 11226. It has 17 residential units across 4 floors. The owner of record is 525 East 21 Corp. HPD has recorded 344 housing violations here, most recently on August 19, 2026. 12 of the 50 most recent violations are still open. City tax records listed 18 rent-stabilized apartments here in 2024.

HPD violations
344
DOB violations
12
ECB violations
0
HPD complaints
435

What to know

Concern
4 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Aug 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

Rent-stabilized units in 2024
18
About 100% of the building's 17 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 · 344

  • 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

    Aug 19, 2026

    Open — Nov certified on time
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at firedoor at east wall leading to east yard at public hall, 1st story

    Aug 19, 2026

    Open — Nov sent out
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes household items at balcony, 1st from north at west at fire escape, 3rd story

    Jul 22, 2026

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of slide bolt capable of being padlock at door leading to east yard(outside part of door) at public hall, 1st story

    Jul 22, 2026

    Closed — Violation dismissed
  • C

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

    Jul 22, 2026

    Open — Not complied with
  • C

    M/d law abate the nuisance consisting of key operated lock at door leading to east yard at public hall, 1st story

    Jul 22, 2026

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroom located at apt c3, 4th story, 1st apartment from south at west

    Jul 19, 2026 · Apt C3

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak above ceiling in the 1st room from east located at apt c3, 4th story, 1st apartment from south at west

    Jul 19, 2026 · Apt C3

    Open — Civ14 mailed
  • 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

    Jul 3, 2026

    Open — Nov certified on time
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes flower pots at 2nd fire escape from north at west, 2nd story

    May 1, 2026

    Closed — Violation dismissed
Show 40 more ↓
  • 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

    Apr 16, 2026

    Open — Nov sent out
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt c1, 1st story, 2nd apartment from south at west , section ''south''

    Apr 16, 2026 · Apt C1

    Closed — Violation dismissed
  • 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 c1, 1st story, 2nd apartment from south at west , section ''south''

    Apr 16, 2026 · Apt C1

    Closed — Violation dismissed
  • 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 c1, 1st story, 2nd apartment from south at west , section ''south''

    Apr 16, 2026 · Apt C1

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt c1, 1st story, 2nd apartment from south at west , section ''south''

    Apr 16, 2026 · Apt C1

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of scalding hot water above 130 degrees in the bathroom located at apt c1, 1st story, 2nd apartment from south at west , section ''south''

    Apr 16, 2026 · Apt C1

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective counter balance at upper window sash at 2nd window at west wall in the 1st room from north at east located at apt c1, 1st story, 2nd apartment from south at west , section ''south''

    Apr 16, 2026 · Apt C1

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective counter balance at upper window sash at 1st window at west wall in the 1st room from north at east located at apt c1, 1st story, 2nd apartment from south at west , section ''south''

    Apr 16, 2026 · Apt C1

    Closed — Violation dismissed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling and north wall in the bathroom located at apt a1, 2nd story, 1st apartment from west at north , section at north

    Feb 19, 2026 · Apt A1

    Closed — Violation dismissed
  • C

    Properly repair the source and abate the evidence of a water leak at ceiling near heat riser in the 5th room from north at west located at apt a2, 3rd story, 1st apartment from west at north

    Jan 12, 2026 · Apt A2

    Open — Nov sent out
  • B

    Trace and repair the source and abate the visible mold condition... less than 10 sq ft at west and south walls in the bathroom located at apt a2, 3rd story, 1st apartment from west at north original violation 18566959 issued 12-jan-26 has been upgraded to class b per administrative code 27-2017.3a(3)(a) or (b).

    Jan 12, 2026 · Apt A2

    Open — Notice of issuance sent to tenant
  • C

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 5th room from north at west located at apt a2, 3rd story, 1st apartment from west at north

    Jan 12, 2026 · Apt A2

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt a2, 3rd story, 1st apartment from west at north

    Jan 12, 2026 · Apt A2

    Open — Notice of issuance sent to tenant
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt a2, 3rd story, 1st apartment from west at north

    Jan 12, 2026 · Apt A2

    Closed — Violation dismissed
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 sq ft at west and south walls in the bathroom located at apt a2, 3rd story, 1st apartment from west at north

    Jan 12, 2026 · Apt A2

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling and south and west walls in the bathroom located at apt a2, 3rd story, 1st apartment from west at north

    Jan 12, 2026 · Apt A2

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective wood floor in the 4th room from north located at apt a, 1st story, 1st apartment from west at north

    Nov 4, 2025 · Apt A

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of nail head protruding from floor in the 4th room from north located at apt a, 1st story, 1st apartment from west at north

    Nov 4, 2025 · Apt A

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and south wall in the 4th room from north located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling and south wall in the bathroom located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective light fixture at ceiling in the bathroom located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Replace with new the missing heat riser escutcheon plate at ceiling in the 4th room from north located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and south wall in the bathroom located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the kitchen located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Trace and repair the source and abate the visible mold condition... greater than 10 sq.ft at ceiling and south wall in the bathroom located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Open — Notice of issuance sent to tenant
  • B

    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 a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    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 a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the 4th room from north located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the kitchen located at apt a2, 3rd story, 1st apartment from west at north

    Sep 9, 2025 · Apt A2

    Closed — Violation dismissed
  • B

    Properly repair and abate unsafe electric wiring condition consisting of exposed electrical wire at ceiling. at 1st public hall from north, 3rd story

    Sep 8, 2025

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective fire retardant plaster at ceiling at 1st public hall stairs from north, 2nd story

    Sep 8, 2025

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling. at 1st public hall stairs from north, 2nd story

    Sep 8, 2025

    Closed — Violation dismissed
  • B

    Replace with new the missing electrical light fixtures at ceiling at 1st public hall from north, 3rd story

    Sep 8, 2025

    Closed — Violation dismissed
  • 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.

    Jun 9, 2025

    Closed — Violation dismissed
  • C

    Remove all obstructions and repair all defects in at wasteline at bathtub in the bathroom located at apt a1, 2nd story, 1st apartment from west at north

    May 26, 2025 · Apt A1

    Closed — Violation dismissed
  • C

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 4th room from north located at apt c3, 4th story, 2nd apartment from south at west

    Mar 31, 2025 · Apt C3

    Closed — Violation dismissed
  • C

    Repair the roof so that it will not leak over the ceiling in the 4th room from north located at apt c3, 4th story, 2nd apartment from south at west

    Mar 31, 2025 · Apt C3

    Closed — Violation dismissed
  • A

    Trace and repair the source and abate the visible mold condition... less then 30 sq feet at ceiling in the bathroom located at apt c3, 4th story, 2nd apartment from south at west

    Feb 5, 2025 · Apt C3

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... less then 30 sq feet at ceiling in the bathroom located at apt c3, 4th story, 2nd apartment from south at west original violation 17684571 issued 05-feb-25 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Feb 5, 2025 · Apt C3

    Open — First no access to re- inspect violation
  • B

    Remove the illegal fastening at door leading to court yard at public hall, 1st story

    Feb 5, 2025

    Closed — Violation dismissed

DOB building violations · 12

  • Low pressure boiler boiler required

    Violation issued-failure to file 2020 external low pressure inspection

    Jun 30, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2016 inspection report

    Apr 6, 2018

    Dob violation - active
  • Construction other optional

    Repair and/or.replace

    Dec 22, 2017

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2010 inspection report

    Dec 13, 2011

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 16, 1999

    Dob violation - dismissed
  • 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 - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1994

    Dob violation - dismissed
Show 2 more ↓
  • 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 - dismissed

ECB violations · 0

No ECB violations on record

Complaints

  • Heat/hot water

    Entire building

    Aug 23, 2026 · Apt BLDG

    Close
  • Paint/plaster

    Ceiling

    Aug 2, 2026 · Apt C3

    Close
  • Unsanitary condition

    Mold

    Aug 2, 2026 · Apt C3

    Close
  • Paint/plaster

    Ceiling

    Aug 2, 2026 · Apt C3

    Close
  • Water leak

    Slow leak

    Jul 29, 2026 · Apt APTC3

    Close
  • Water leak

    Heavy flow

    Jul 18, 2026 · Apt C3

    Close
  • Unsanitary condition

    Mold

    Jul 18, 2026 · Apt C3

    Close
  • Paint/plaster

    Ceiling

    Jul 18, 2026 · Apt C3

    Close
  • Water leak

    Heavy flow

    Jul 18, 2026 · Apt C3

    Close
  • Unsanitary condition

    Mold

    Jul 18, 2026 · Apt C3

    Close
Show 40 more ↓
  • Electric

    Power outage

    Jul 3, 2026 · Apt BLDG

    Close
  • Appliance

    Electric/gas range

    Apr 29, 2026 · Apt C

    Close
  • Plumbing

    Steam pipe/riser

    Apr 29, 2026 · Apt C

    Close
  • Plumbing

    Water supply

    Apr 16, 2026 · Apt C1

    Close
  • Plumbing

    Water supply

    Apr 16, 2026 · Apt C1

    Close
  • Flooring/stairs

    Floor

    Mar 3, 2026 · Apt A1

    Close
  • Unsanitary condition

    Mold

    Mar 3, 2026 · Apt A1

    Close
  • Water leak

    Slow leak

    Jan 27, 2026 · Apt C1

    Close
  • Water leak

    Slow leak

    Jan 12, 2026 · Apt A2

    Close
  • Paint/plaster

    Wall

    Jan 12, 2026 · Apt A2

    Close
  • Unsanitary condition

    Mold

    Jan 12, 2026 · Apt A2

    Close
  • Paint/plaster

    Ceiling

    Jan 12, 2026 · Apt A2

    Close
  • Heat/hot water

    Entire building

    Jan 1, 2026 · Apt BLDG

    Close
  • Plumbing

    Toilet

    Oct 20, 2025 · Apt A

    Close
  • Flooring/stairs

    Floor

    Oct 20, 2025 · Apt A

    Close
  • Flooring/stairs

    Floor

    Oct 20, 2025 · Apt A

    Close
  • Plumbing

    Bathtub/shower

    Oct 20, 2025 · Apt A

    Close
  • Unsanitary condition

    Mold

    Oct 20, 2025 · Apt A

    Close
  • Unsanitary condition

    Mold

    Sep 7, 2025 · Apt A2

    Close
  • Water leak

    Slow leak

    Sep 7, 2025 · Apt A2

    Close
  • Water leak

    Damp spot

    Sep 7, 2025 · Apt A2

    Close
  • Paint/plaster

    Ceiling

    Sep 7, 2025 · Apt A2

    Close
  • Unsanitary condition

    Mold

    Sep 1, 2025 · Apt A2

    Close
  • Water leak

    Damp spot

    Sep 1, 2025 · Apt A2

    Close
  • Paint/plaster

    Wall

    Sep 1, 2025 · Apt A2

    Close
  • Door/window

    Window frame

    May 22, 2025 · Apt A1

    Close
  • Paint/plaster

    Wall

    May 22, 2025 · Apt A1

    Close
  • Paint/plaster

    Wall

    May 22, 2025 · Apt A1

    Close
  • Flooring/stairs

    Floor

    May 22, 2025 · Apt A1

    Close
  • Plumbing

    Water supply

    May 22, 2025 · Apt A1

    Close
  • General

    Cabinet

    May 22, 2025 · Apt A1

    Close
  • Electric

    Outlet/switch

    May 22, 2025 · Apt A1

    Close
  • Plumbing

    Basin/sink

    May 22, 2025 · Apt A1

    Close
  • General

    Ventilation system

    May 22, 2025 · Apt A1

    Close
  • Plumbing

    Water supply

    Mar 30, 2025 · Apt BLDG

    Close
  • Plumbing

    Water supply

    Mar 30, 2025 · Apt A

    Close
  • Appliance

    Refrigerator

    Dec 6, 2024 · Apt A

    Close
  • Water leak

    Slow leak

    Nov 21, 2024 · Apt C3

    Close
  • Unsanitary condition

    Mold

    Nov 21, 2024 · Apt C3

    Close
  • Unsanitary condition

    Sewage

    Aug 26, 2024 · Apt A

    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
1931
Floors
4
Residential units
17
Building area
13,600 ft²
Lot area
8,142 ft²
Zoning
R7A
Community board
314
Council district
40
Block / lot
5185 / 1
Assessed value
$459,450
Landmark / historic district
No

HPD registration #310402, last renewed Aug 24, 2025.

Questions about 501 East 21 Street

Who owns 501 East 21 Street?

The owner of record in NYC Department of City Planning PLUTO data is 525 East 21 Corp.

Does 501 East 21 Street have violations?

Yes. NYC HPD has recorded 344 housing violations at this property.

Is 501 East 21 Street rent stabilized?

NYC Department of Finance tax bills listed 18 rent-stabilized units here in 2024 (about 100% of its 17 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 501 East 21 Street built?

City records list 1931 as the year it was built.

How many apartments are in 501 East 21 Street?

It has 17 residential units.

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