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21 St Marks Avenue

Brooklyn, NY 11217BBL 3-00933-0068Map

Owner of record: Brudney, Karen

21 St Marks Avenue is a walk-up apartment building built in 1899 in Brooklyn, 11217. It has 3 residential units across 3 floors. The owner of record is Brudney, Karen. HPD has recorded 10 housing violations here, most recently on May 5, 2026.

HPD violations
10
DOB violations
1
ECB violations
4
HPD complaints
0

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation May 5, 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 · 10

  • 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 5, 2026

    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 11, 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.

    Apr 11, 2024

    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.

    Mar 24, 2023

    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.

    Nov 9, 2022

    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.

    Mar 2, 2022

    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.

    Apr 13, 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.

    Oct 31, 2019

    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.

    Oct 19, 2018

    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.

    Oct 14, 2015

    Closed — Violation dismissed

DOB building violations · 1

  • Fail to certify class 1 none

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

    Jan 9, 2019

    Dob violation - dismissed

ECB violations · 4

  • Class - 2

    Failure to comply with the commissioner's order contained in summon/violation #35362467j issued on 10/17/18 and to file a certification of correction pursuant t0 28-201.1 and 1rcnt 102-01.failure to maintain

    Dec 11, 2018

    Resolve
  • Class - 2

    Failure to comply with the commissioners order containes in summons/violation #35362468l issued on 10/17/18 &to file a certification of correction pursuant to 28-201.1 and 1rcny 102-01.dwelling converted,main

    Dec 11, 2018

    Resolve
  • Class - 1

    Failure to maintain building in code-compliant manner. observed on 2nd fl exp #3 illegally installed steel bars on kitchen window obstructed passageway to use fire escape and room in exp #3 with key lockked (lo

    Oct 17, 2018

    Resolve
  • Class - 1

    Dwelling converted, maintained or occupied with 3 or more additional dwelling units than legally authorized by the c of o or official records. ref to dob/hpd records (reg #302976) indicates 3 stories/3 dwelling

    Oct 17, 2018

    Resolve

Complaints

No HPD complaints in our records

Complaint data is still being backfilled from NYC Open Data.

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 (C0)
Year built
1899
Floors
3
Residential units
3
Building area
2,304 ft²
Lot area
1,750 ft²
Zoning
R6B
Community board
306
Council district
39
Block / lot
933 / 68
Assessed value
$149,520
Landmark / historic district
Park Slope Historic District Extension II

HPD registration #318440, last renewed Oct 11, 2025.

Questions about 21 St Marks Avenue

Who owns 21 St Marks Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Brudney, Karen.

Does 21 St Marks Avenue have violations?

Yes. NYC HPD has recorded 10 housing violations at this property.

Is 21 St Marks 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 21 St Marks Avenue built?

City records list 1899 as the year it was built.

How many apartments are in 21 St Marks Avenue?

It has 3 residential units.

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