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421a Monroe Street

Brooklyn, NY 11221BBL 3-01816-0060Map

Owner of record: Rosemary Nwanne

421a Monroe Street is a walk-up apartment building built in 1899 in Brooklyn, 11221. It has 3 residential units across 3 floors. The owner of record is Rosemary Nwanne. HPD has recorded 9 housing violations here, most recently on May 5, 2026. 2 of the 9 most recent violations are still open.

HPD violations
9
DOB violations
0
ECB violations
0
HPD complaints
9

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 · 9

  • 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

    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.

    Nov 20, 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 10, 2025

    Open — Nov sent out
  • 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
  • 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 1, 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 12, 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 12, 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 13, 2015

    Closed — Violation dismissed

DOB building violations · 0

No DOB violations on record

ECB violations · 0

No ECB violations on record

Complaints

  • Nonconst

    Vermin

    Aug 24, 2009 · Apt 2

    Close
  • Heating

    Heat related

    Jul 29, 2009 · Apt 3

    Close
  • Appliance

    Refrigerator

    Jun 30, 2009 · Apt 2

    Close
  • Heating

    Heat related

    Dec 23, 2008 · Apt 1

    Close
  • Heating

    Heat related

    Dec 8, 2008 · Apt 2FL

    Close
  • Electric

    Wiring

    Aug 4, 2006 · Apt 1

    Close
  • Electric

    Electric-supply

    Aug 4, 2006 · Apt 1

    Close
  • General

    Doors

    Jul 20, 2006 · Apt 1

    Close
  • Heating

    Heat related

    Jan 6, 2004 · Apt 1

    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 (C0)
Year built
1899
Floors
3
Residential units
3
Building area
2,772 ft²
Lot area
1,733 ft²
Zoning
R6B
Community board
303
Council district
36
Block / lot
1816 / 60
Assessed value
$95,700
Landmark / historic district
No

HPD registration #324113, last renewed Apr 10, 2026.

Questions about 421a Monroe Street

Who owns 421a Monroe Street?

The owner of record in NYC Department of City Planning PLUTO data is Rosemary Nwanne.

Does 421a Monroe Street have violations?

Yes. NYC HPD has recorded 9 housing violations at this property.

Is 421a Monroe Street 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 421a Monroe Street built?

City records list 1899 as the year it was built.

How many apartments are in 421a Monroe Street?

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.