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439 Union Street

Brooklyn, NY 11231BBL 3-00430-0066Map

Owner of record: 439u Realty, LLC

439 Union Street is a walk-up apartment building built in 1899 in Brooklyn, 11231. It has 3 residential units across 2 floors. The owner of record is 439u Realty, LLC. HPD has recorded 12 housing violations here, most recently on November 20, 2025.

HPD violations
12
DOB violations
1
ECB violations
1
HPD complaints
0

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Nov 20, 2025

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 · 12

  • 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 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 12, 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 27, 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 2, 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 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.

    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.

    Nov 30, 2017

    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 15, 2016

    Closed — Violation dismissed
Show 2 more ↓
  • 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

DOB building violations · 1

  • Construction other optional

    Work w/o permit. work noted: opening in front ext. wall between (2) windows approx. 3 1/2 from ground. hole is approx. 18" x 26" w/ air co nd. insullated. remedy: obtain permits & appraisals if feasible or res tore premises to prior legal condition

    Oct 29, 1998

    Vw-violation work without permit - active

ECB violations · 1

  • Hazardous

    Work without a permit, work noted. opening in front exterior wall bet ween two windows approx 3 1/2 . hole is approx 18'x 26' outer air condition installed. obtain permits and approvals if feasible or restore

    Oct 29, 1998 · Penalty $2,500

    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
2
Residential units
3
Building area
1,824 ft²
Lot area
1,667 ft²
Zoning
R6B
Community board
306
Council district
39
Block / lot
430 / 66
Assessed value
$145,140
Landmark / historic district
No

HPD registration #365013, last renewed Dec 10, 2025.

Questions about 439 Union Street

Who owns 439 Union Street?

The owner of record in NYC Department of City Planning PLUTO data is 439u Realty, LLC.

Does 439 Union Street have violations?

Yes. NYC HPD has recorded 12 housing violations at this property.

Is 439 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 439 Union Street built?

City records list 1899 as the year it was built.

How many apartments are in 439 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.