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5821 21 Avenue

Brooklyn, NY 11204BBL 3-05508-0001Map

Owner of record: Gluck, Sarah

5821 21 Avenue is a two-family home built in 1925 in Brooklyn, 11204. It has 2 residential units across 2 floors. The owner of record is Gluck, Sarah. HPD has recorded 4 housing violations here, most recently on January 30, 2026. 4 of the 4 most recent violations are still open.

HPD violations
4
DOB violations
0
ECB violations
2
HPD complaints
2

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Jan 30, 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 · 4

  • I

    The premises or apts. have been vacated by the department and cannot be reoccupied until so ordered after proof of compliance for cellar, vacate order # 260345

    Jan 30, 2026

    Open — Info nov sent out
  • B

    Discontinue unlawful cooking space or file plans and application with this department to legalize same, if lawfully feasible gas range at cellar

    Jan 13, 2026

    Open — Nov sent out
  • B

    Discontinue use of rooms for living, disconnect plumbing fixtures where illegal and properly seal pipe connections residentail sink, bathtub, wash basin , and water closet at cellar

    Jan 13, 2026

    Open — Nov sent out
  • B

    § 9, 170, 171, 300, 301, 302 m.d.law-file plans and application and obtain a certificate of occupancy to legalize the conversion from a private dwelling to multiple dwelling use if lawfully feasible or restore to lawful occupancy

    Jan 13, 2026

    Open — Nov sent out

DOB building violations · 0

No DOB violations on record

ECB violations · 2

  • Class - 1

    Occupancy contrary to that allowed by c of o and/or the department of building records. partition erected creating an illegal class 'a' apartment at cellar. rooms used for living. gas range and sink present. al

    Jan 13, 2026 · Penalty $2,530

    Active
  • Class - 2

    Work without permit. work noted: 59th street side erected new door frame 1st floor exterior new sheetrock partition and --- work. stop all work. rem: obtain a permit, make site safe. call the dob before startin

    Jul 12, 2018 · Penalty $625

    Resolve

Complaints

  • Heat/hot water

    Apartment only

    Jan 11, 2026 · Apt BASEME

    Close
  • Heating

    Heat related

    Dec 16, 2013 · Apt 1STF

    Close

Sales history

No recorded sales in our data

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

Building details

Building type
Two-family home (B2)
Year built
1925
Floors
2
Residential units
2
Building area
1,600 ft²
Lot area
1,427 ft²
Zoning
R5
Community board
312
Council district
44
Block / lot
5508 / 1
Assessed value
$82,560
Landmark / historic district
No

Questions about 5821 21 Avenue

Who owns 5821 21 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Gluck, Sarah.

Does 5821 21 Avenue have violations?

Yes. NYC HPD has recorded 4 housing violations at this property.

Is 5821 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 5821 21 Avenue built?

City records list 1925 as the year it was built.

How many apartments are in 5821 21 Avenue?

It has 2 residential units.

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