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434 Union Street

Brooklyn, NY 11231BBL 3-00437-7501Map

Owner of record: Union Street Capital 434, LLC

434 Union Street is a condominium built in 1920 in Brooklyn, 11231. It has 3 residential units across 3 floors. The owner of record is Union Street Capital 434, LLC. HPD has recorded 18 housing violations here, most recently on May 6, 2026. 15 of the 18 most recent violations are still open.

HPD violations
18
DOB violations
1
ECB violations
1
HPD complaints
1

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation May 6, 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 · 18

  • 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 6, 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

    Open — Info 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.

    Jun 11, 2025

    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 29, 2024

    Open — Info 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 12, 2024

    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 22, 2023

    Open — Info 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.

    Mar 27, 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.

    Nov 14, 2022

    Open — Info 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.

    Mar 2, 2022

    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 2, 2022

    Open — Info nov sent out
Show 8 more ↓
  • 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

    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 13, 2021

    Open — Info 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.

    Oct 31, 2019

    Open — Info 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.

    Oct 22, 2018

    Open — Info 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 15, 2016

    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
  • 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.

    Feb 25, 2015

    Closed — Violation dismissed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 2, 2nd story

    Feb 16, 2007 · Apt 2

    Open — First no access to re- inspect violation

DOB building violations · 1

  • Construction other optional

    Unlawful acts. failure to comply with commissioner's order. requesting a p.e. report for the wall/chimney's stability at exp 3 and 4.

    Jan 12, 2026

    Dob violation - active

ECB violations · 1

  • Class - 1

    Failure to maintain building in code-compliant manner. observed cracked/spalling masonry on exp 4 wall with potential to fall into the school yard of 317 hoyt street (p.s. 32). a section of cmu block at the top

    Jan 12, 2026 · Penalty $2,500

    Resolve

Complaints

  • Heating

    Heat related

    Feb 7, 2007 · Apt 3

    Close

Sales history

No recorded sales in our data

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

Building details

Building type
Condominium (R3)
Year built
1920
Floors
3
Residential units
3
Building area
3,777 ft²
Lot area
2,033 ft²
Zoning
R6B
Community board
306
Council district
39
Block / lot
437 / 7501
Assessed value
$474,421
Landmark / historic district
No

HPD registration #362186, last renewed Oct 31, 2017.

Questions about 434 Union Street

Who owns 434 Union Street?

The owner of record in NYC Department of City Planning PLUTO data is Union Street Capital 434, LLC.

Does 434 Union Street have violations?

Yes. NYC HPD has recorded 18 housing violations at this property.

Is 434 Union 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 434 Union Street built?

City records list 1920 as the year it was built.

How many apartments are in 434 Union 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.