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6524 20 Avenue

Brooklyn, NY 11204BBL 3-05555-0039Map

Owner of record: Cuis Realty LLC

6524 20 Avenue is a walk-up apartment building built in 1931 in Brooklyn, 11204. It has 7 residential units across 2 floors. The owner of record is Cuis Realty LLC. HPD has recorded 56 housing violations here, most recently on April 12, 2024. 30 of the 50 most recent violations are still open. City tax records listed 7 rent-stabilized apartments here in 2024.

HPD violations
56
DOB violations
23
ECB violations
12
HPD complaints
25

What to know

Concern
5 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Apr 12, 2024

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
7
About 100% of the building's 7 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 · 56

  • B

    Properly repair or replace the broken or defective glass pane lower sash at 2nd winow from south at west in the 1st room from north located at apt 1stfl, 1st story, 1st apartment from north at east

    Apr 12, 2024 · Apt 1STFL

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at north and west wall in the 1st room from north located at apt 1stfl, 1st story, 1st apartment from north at east

    Apr 12, 2024 · Apt 1STFL

    Open — Nov sent out
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Properly secure the loose wash basin at south wall in the bathroom located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling and all walls at public hall, 2nd story

    Dec 7, 2023

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak at ceiling at public hall, 2nd story

    Dec 7, 2023

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective wire glass at sky light at roof at public hall, 2nd story

    Dec 7, 2023

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at all walls at closet in the private hallway located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Abate the infestation consisting of mice in the entire apartment located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Abate the infestation consisting of roaches in the entire apartment located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
Show 40 more ↓
  • B

    Properly repair or replace the broken or defective vinyl window frame lower sash at west in the 1st room from north at west located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak at ceiling in the 1st room from north at east located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at ceiling and all walls in the 1st room from north at east located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective wood floor near east wall in the 2nd room from north located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • C

    Provide an adequate supply of gas to the fixtures at range in the entire apartment located at apt second, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt SECOND

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... aporoximately 20 sq ft at west wall in the 1st room from north located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

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

    Repair the broken or defective plastered surfaces and paint in uniform color at all walls in the entire apartment located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Repair the leaky and/or defective faucets at bath tub in the bathroom located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at all walls in the 2nd room from north located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • A

    Properly repair with similar material the broken or defective ceramic wall tile at north in the bathroom located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the wall tiles at bath tub in the bathroom located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... approximately 6 sq ft at ceiling in the bathroom located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Closed — Violation closed
  • B

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

    Dec 7, 2023 · Apt 2FL

    Open — Nov sent out
  • B

    Trace and repair the source and abate the visible mold condition... approximately 6 sq ft at ceiling in the bathroom located at apt 2fl, 2nd story, 1st apartment from east at south original violation 16505403 issued 07-dec-23 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Dec 7, 2023 · Apt 2FL

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

    Trace and repair the source and abate the visible mold condition... approximately 6 sq ft at ceiling at closet in the 1st room from north at east located at apt 2fl, 2nd story, 1st apartment from east at south original violation 16505408 issued 07-dec-23 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Dec 7, 2023 · Apt 2FL

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

    Provide hot water at all hot water fixtures in the entire apartment located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Closed — Violation dismissed
  • C

    Trace and repair the source and abate the visible mold condition... approximately 10 sq ft at east wall and 24 sq ft at north wall in the 1st room from north located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Open — Notice of issuance sent to tenant
  • A

    Trace and repair the source and abate the visible mold condition... approximately 6 sq ft at ceiling at closet in the 1st room from north at east located at apt 2fl, 2nd story, 1st apartment from east at south

    Dec 7, 2023 · Apt 2FL

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective at ceiling and all walls at public hall, 2nd story

    Dec 7, 2023

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 18, 2022

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 18, 2022

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 18, 2022

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 18, 2022

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 18, 2022

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 16, 2022

    Closed — Violation dismissed
  • B

    Trace and repair the source and abate the visible mold condition... approx 5 sq ft at ceiling, approx 4 sq ft at west wall, approx 3 sq ft at north wall and approx 2 sq ft at south wall inside closet in the 2nd room from north at east located at apt 1stflo, 1st story, 2nd apartment from north at east

    Aug 31, 2021 · Apt 1STFLO

    Closed — Violation closed
  • C

    Repair the broken or defective plastered surfaces and paint in uniform color the ceiling inside closet in the 2nd room from north at west located at apt 1stflo, 1st story, 2nd apartment from north at east

    Aug 31, 2021 · Apt 1STFLO

    Closed — Violation closed
  • C

    Properly repair the source and abate the evidence of a water leak at ceiling inside closet in the 2nd room from north at east located at apt 1stflo, 1st story, 2nd apartment from north at east

    Aug 31, 2021 · Apt 1STFLO

    Open — Not complied with
  • B

    Repair or replace the carbon monoxide detecting device(s). in the entire apartment located at apt 1stflo, 1st story, 2nd apartment from north at east

    Aug 31, 2021 · Apt 1STFLO

    Closed — Violation closed
  • B

    Abate the infestation consisting of mice in the entire apartment located at apt 1stflo, 1st story, 2nd apartment from north at east

    Aug 31, 2021 · Apt 1STFLO

    Closed — Violation closed
  • B

    Abate the infestation consisting of roaches in the entire apartment located at apt 1stflo, 1st story, 2nd apartment from north at east

    Aug 31, 2021 · Apt 1STFLO

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at south wall in the 4th room from north located at apt 1stflo, 1st story, 2nd apartment from north at east

    Aug 31, 2021 · Apt 1STFLO

    Open — Not complied with
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 2, 2nd story, 1st apartment from east at south

    May 1, 2021 · Apt 2

    Open — Nov sent out
  • B

    Repair or replace the carbon monoxide detecting device(s). misssing in the entire apartment located at apt 2, 2nd story, 1st apartment from east at south

    May 1, 2021 · Apt 2

    Open — Nov sent out
  • C

    Provide an adequate supply of gas to the fixtures cooking range, national grid shut-off gas line in the kitchen located at apt 2, 2nd story, 1st apartment from east at south

    May 1, 2021 · Apt 2

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Apr 22, 2021

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Apr 22, 2021

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Apr 22, 2021

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Apr 21, 2021

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Jan 12, 2018

    Closed — Violation dismissed

DOB building violations · 23

  • Low pressure boiler boiler required

    Violation issued-failure to file 2024 external low pressure inspection

    Nov 14, 2025

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2023 external low pressure inspection

    Sep 23, 2024

    Dob violation - active
  • 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-failure to file 2021 external low pressure inspection

    Jun 30, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2018 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2019 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2022 external low pressure inspection

    Apr 25, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2017 inspection report

    Nov 8, 2019

    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
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2015 inspection report

    Feb 24, 2017

    Dob violation - active
Show 13 more ↓
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 26, 2002

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 26, 2002

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 27, 2001

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 27, 2001

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 7, 2000

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 7, 2000

    Dob violation - dismissed
  • 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

    May 4, 1998

    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 - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1994

    Dob violation - dismissed
  • 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 · 12

  • Class - 2

    Failure to comply with the commissioners order contained in summmons/ violationn # 35236989j issued on 09/18/17 and to file a certificate of correctioin pursuant to 28.201.1 and 1rcny 102-01(d)(2).an acceptab

    Oct 4, 2018 · Penalty $625

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35236987x issued on 09-18-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01(d)(2). an acceptable certificate has not been filed despite the

    Jun 8, 2018 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35236990r issued on 09-18-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01(d)(2). an acceptable certificate has not been filed despite the

    Jun 8, 2018 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35236992k issued on 09-18-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01(d)(2). an acceptable certificate has not been filed despite the

    Jun 8, 2018 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35236988h issued on 09-18-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01(d)(2). an acceptable certificate has not been filed despite the

    Jun 8, 2018 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in summons/vio#35236991z issued on 09-18-17 & to file a c of c pursuant to 28-201.1 & 1rcny 102-01(d)(2). an acceptable certificate has not been filed despite the

    Jun 8, 2018 · Penalty $1,250

    Resolve
  • Class - 3

    Work without a permit.observed:on second floor facade windows exposure#1 and #2 on four windows replaces(reliving)angles (lintel)approximately 8' and 5' and installed one layer of brick work exiding lintel(more

    Sep 18, 2017 · Penalty $200

    Resolve
  • Class - 3

    Work without a permit.observing; on second floor facade window was replaced relieving angles (lintels) approximately 8' long and installed two layers of new brickwork exceeding limit (more then 4' horizontaly i

    Sep 18, 2017 · Penalty $200

    Resolve
  • Class - 3

    Work w/out a permit. observed: on 2nd flr facade window exp#1 was replaced relieving angles (lintel), approx 8' long & installed 1 layer of new brick work exiding circuit (more than 4 ft horizontally in any 100

    Sep 18, 2017 · Penalty $200

    Resolve
  • Class - 3

    Work without a permit. observed: on second floor of two story building facade windown expsoure #1 replaced relieving angle (lintel) approximately 8ft long and installed our layer of brick work exioling limit (m

    Sep 18, 2017 · Penalty $200

    Resolve
Show 2 more ↓
  • Class - 3

    Work without a permit. observed: on second floor of two story buildingon facade window exposure #1 replaced relieving angel (lintel) approximately 8ft long and installed one layer of brick work exiting limit (m

    Sep 18, 2017 · Penalty $200

    Resolve
  • Class - 3

    Work without a permit. observed: on second floor of two story buildingon facade window exposure #1 replaced relieving angel (lintel) approximately 8ft long and installed one layer of brickwork exiting limit mor

    Sep 18, 2017 · Penalty $200

    Resolve

Complaints

  • Plumbing

    Radiator

    Nov 30, 2023 · Apt 2FL

    Close
  • Plumbing

    Water supply

    Nov 30, 2023 · Apt 2FL

    Close
  • Door/window

    Window pane

    Nov 30, 2023 · Apt 2FL

    Close
  • Unsanitary condition

    Mold

    Nov 30, 2023 · Apt 2FL

    Close
  • Paint/plaster

    Wall

    Nov 30, 2023 · Apt 2FL

    Close
  • Plumbing

    Bathtub/shower

    Nov 30, 2023 · Apt 2FL

    Close
  • Heat/hot water

    Entire building

    Nov 22, 2023 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Nov 22, 2023 · Apt SECOND

    Close
  • General

    Cooking gas

    Nov 22, 2023 · Apt SECOND

    Close
  • Water leak

    Slow leak

    Aug 30, 2021 · Apt 1STFLO

    Close
Show 15 more ↓
  • Paint/plaster

    Ceiling

    Aug 30, 2021 · Apt 1STFLO

    Close
  • Paint/plaster

    Ceiling

    Aug 30, 2021 · Apt 1STFLO

    Close
  • Heat/hot water

    Apartment only

    May 1, 2021 · Apt 2NDFLO

    Close
  • General

    Cooking gas

    May 1, 2021 · Apt 2NDFLO

    Close
  • Plumbing

    Water supply

    May 1, 2021 · Apt 2NDFLO

    Close
  • Heat/hot water

    Apartment only

    Apr 29, 2021 · Apt 2

    Close
  • General

    Cooking gas

    Apr 29, 2021 · Apt 2

    Close
  • Plumbing

    Water supply

    Apr 29, 2021 · Apt 2

    Close
  • Heat/hot water

    Apartment only

    Oct 26, 2020 · Apt FL1

    Close
  • Electric

    Power outage

    Mar 19, 2019 · Apt 2NDFL

    Close
  • Unsanitary condition

    Mold

    Mar 19, 2019 · Apt 2NDFL

    Close
  • Flooring/stairs

    Floor

    Mar 19, 2019 · Apt 2NDFL

    Close
  • Water leak

    Slow leak

    Mar 19, 2019 · Apt 2NDFL

    Close
  • Heat/hot water

    Apartment only

    Oct 27, 2018 · Apt 1

    Close
  • Heat/hot water

    Entire building

    Dec 9, 2016 · Apt 1FLOOR

    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 (C7)
Year built
1931
Floors
2
Residential units
7
Building area
10,000 ft²
Lot area
5,100 ft²
Zoning
R5
Community board
311
Council district
43
Block / lot
5555 / 39
Assessed value
$319,050
Landmark / historic district
No

HPD registration #816452, last renewed Oct 22, 2025.

Questions about 6524 20 Avenue

Who owns 6524 20 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Cuis Realty LLC.

Does 6524 20 Avenue have violations?

Yes. NYC HPD has recorded 56 housing violations at this property.

Is 6524 20 Avenue rent stabilized?

NYC Department of Finance tax bills listed 7 rent-stabilized units here in 2024 (about 100% of its 7 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 6524 20 Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 6524 20 Avenue?

It has 7 residential units and 12 units in total.

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