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234 Union Avenue

Brooklyn, NY 11206BBL 3-03040-0001Map

Owner of record: 234 Union LLC

234 Union Avenue is a walk-up apartment building built in 1930 in Brooklyn, 11206. It has 32 residential units across 6 floors. The owner of record is 234 Union LLC. HPD has recorded 377 housing violations here, most recently on July 22, 2026. 10 of the 50 most recent violations are still open. City tax records listed 16 rent-stabilized apartments here in 2024.

HPD violations
377
DOB violations
5
ECB violations
8
HPD complaints
1,034

What to know

Concern
7 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Jul 22, 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

Rent-stabilized units in 2024
16
About 50% of the building's 32 apartments
Down from 17 in 2018

Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.

Stabilized units by tax-bill year

Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 377

  • B

    Refit door in the entrance located at apt 6, 2nd story, 2nd apartment from south at west

    Jul 22, 2026 · Apt 6

    Open — Nov sent out
  • B

    Remove all obstructions and repair all defects in waste line at sink in the kitchen located at apt 9, 3rd story, 2nd apartment from east at south

    Jul 22, 2026 · Apt 9

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective vinyl floor tiles in the kitchen located at apt 9, 3rd story, 2nd apartment from east at south

    Jul 22, 2026 · Apt 9

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3, 2nd story, 2nd apartment from west at north

    May 27, 2026 · Apt 3

    Open — Invalid certification
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3, 2nd story, 2nd apartment from west at north

    Jan 2, 2026 · Apt 3

    Open — First no access to re- inspect violation
  • C

    Provide ready access to buildings heating system door locked at basement at boiler room

    Jan 2, 2026

    Open — Not complied with
  • A

    Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story

    Jan 2, 2026

    Closed — Violation closed
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in private dwellings [ missing notice ]

    Jan 2, 2026

    Closed — Violation closed
  • A

    Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected

    Jan 2, 2026

    Closed — Violation closed
  • B

    M/d law abate the nuisance consisting of lockable knob at door preventing entrance to fire escape in the 3rd room from north at west located at apt 6, 2nd story, 2nd apartment from south at west

    Jan 2, 2026 · Apt 6

    Closed — Violation closed
Show 40 more ↓
  • B

    M/d law abate the nuisance consisting of air conditioner unit at fire escape window in the 3rd room from north at west located at apt 6, 2nd story, 2nd apartment from south at west

    Jan 2, 2026 · Apt 6

    Closed — Violation closed
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules that is missing in the entire apartment located at apt 6, 2nd story, 2nd apartment from south at west

    Jan 2, 2026 · Apt 6

    Closed — Violation closed
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations that is defective in the entire apartment located at apt 6, 2nd story, 2nd apartment from south at west

    Jan 2, 2026 · Apt 6

    Closed — Violation closed
  • C

    Provide an adequate supply of heat for the apartment in the 3rd room from north at west located at apt 6, 2nd story, 2nd apartment from south at west

    Jan 2, 2026 · Apt 6

    Closed — Violation dismissed
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mailbox [ missing notice ] at public hall, 1st story

    Jan 2, 2026

    Closed — Violation closed
  • B

    Refit wood entrance door in the 2nd room from east located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Closed — Violation closed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Open — Defect letter issued
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Open — Not complied with
  • A

    Paint with light colored paint to the satisfaction of this department all walls and ceiling in the entire apartment located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Closed — Violation closed
  • A

    Paint metal in accordance with dept. regulation door in the entrance located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Closed — Violation closed
  • A

    Cleanse to the satisfaction of this department the grout and mortar joints at bathtub perimeter in the bathroom located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Closed — Violation closed
  • A

    Paint metal in accordance with dept. regulation radiator at south in the kitchen located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective window sash lock at fire escape window at south in the kitchen located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective cracked glass pane at upper sash at south in the kitchen located at apt 4, 2nd story, 1st apartment from east at south

    Oct 28, 2025 · Apt 4

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroom located at apt 21, 4th story, 2nd apartment from east at south

    Oct 21, 2025 · Apt 21

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 21, 4th story, 2nd apartment from east at south

    Oct 21, 2025 · Apt 21

    Closed — Violation closed
  • A

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 21, 4th story, 2nd apartment from east at south

    Jul 27, 2025 · Apt 21

    Closed — Violation closed
  • B

    Replace with new the missing shut off valve at radiator in the kitchen located at apt 4, 2nd story, 1st apartment from east at south

    May 27, 2025 · Apt 4

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective ... (hinges) in the entrance located at apt 4, 2nd story, 1st apartment from east at south

    May 27, 2025 · Apt 4

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 4, 2nd story, 1st apartment from east at south

    May 27, 2025 · Apt 4

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective ... (hinges) in the entrance located at apt 12, 3rd story, 1st apartment from north at east

    May 27, 2025 · Apt 12

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 9, 3rd story, 2nd apartment from east at south

    May 27, 2025 · Apt 9

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective metal door frame in the entrance located at apt 17, 3rd story, 2nd apartment from north at east

    Mar 12, 2025 · Apt 17

    Closed — Violation closed
  • B

    Refit the door in the entrance located at apt 17, 3rd story, 2nd apartment from north at east

    Mar 12, 2025 · Apt 17

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department the south wall in the kitchen located at apt 17, 3rd story, 2nd apartment from north at east

    Mar 12, 2025 · Apt 17

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at the south wall in the kitchen located at apt 17, 3rd story, 2nd apartment from north at east

    Mar 12, 2025 · Apt 17

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at the ceiling in the 2nd room from north located at apt 17, 3rd story, 2nd apartment from north at east

    Mar 12, 2025 · Apt 17

    Closed — Violation closed
  • B

    Repair the leaky and/or defective faucets at the bathtub in the bathroom located at apt 17, 3rd story, 2nd apartment from north at east

    Mar 12, 2025 · Apt 17

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 17, 3rd story, 2nd apartment from north at east

    Mar 12, 2025 · Apt 17

    Open — Defect letter issued
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 17, 4th story, 2nd apartment from north at east

    Jan 5, 2025 · Apt 17

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system door locked at boiler room

    Jan 5, 2025

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 17, 4th story, 2nd apartment from north at east

    Jan 5, 2025 · Apt 17

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 17, 4th story, 2nd apartment from north at east

    Jan 5, 2025 · Apt 17

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at public hall, 1st story

    Dec 30, 2024

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 17, 3rd story, 2nd apartment from north at east

    Dec 30, 2024 · Apt 17

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 17, 3rd story, 2nd apartment from north at east

    Dec 30, 2024 · Apt 17

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 17, 3rd story, 2nd apartment from north at east

    Dec 30, 2024 · Apt 17

    Open — Defect letter issued
  • A

    Paint metal in accordance with dept. regulation ... heat 1st riser from east at south wall in the kitchen located at apt 9, 3rd story, 2nd apartment from east at south

    Jul 18, 2024 · Apt 9

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective door in the entrance located at apt 9, 3rd story, 2nd apartment from east at south

    Jul 18, 2024 · Apt 9

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at the south wall in the 2nd room from east located at apt 9, 3rd story, 2nd apartment from east at south

    Jul 18, 2024 · Apt 9

    Closed — Violation closed

DOB building violations · 5

  • Low pressure boiler boiler required

    Violation issued-failure to file 2021 external low pressure inspection

    Jun 30, 2023

    Dob violation - dismissed
  • Failure to post energy grade/score none

    Failure to display energy efficiency score and energy efficiency grade as per adcode sec. 28-309.12.3

    Dec 1, 2021

    Dob violation - dismissed
  • Failure to post energy grade/score none

    Failure to display energy efficiency score and energy efficiency grade as per adcode sec. 28-309.12.3

    Apr 29, 2021

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2016 inspection report

    Apr 6, 2018

    Dob violation - dismissed
  • Construction other optional

    Work without a permit; noted at apartment and install partition walls; fire stopping, plumbing pioes and new electrical (bx) cables remedy; stop all work-make safe obtain permits call dob at 718 802-3685 prior to further construction

    Sep 24, 2009

    Vw*-violation - work w/o permit dismissed

ECB violations · 8

  • Class - 3

    16 15 24b 34b 50ab 50a-remove all storage from boiler room 50b-remove all flammable from boiler room

    Apr 7, 2010 · Penalty $500

    Resolve
  • Class - 3

    B354 15.16.32a.50a.50b 50a remove al storage 50b remove all flambles

    Nov 7, 2009 · Penalty $500

    Resolve
  • Class - 2

    Failure to maintain building in code-compliant manner. noted: construction work taking place on apts #22 & #28 w/o permits & had storage construction debris at the public walkway & 1st flr lobby creating tplp

    Sep 24, 2009 · Penalty $2,500

    Resolve
  • Class - 3

    Failure to maintain bldg in code on inspection bthrm ceiling damaged by water leak from bath tub thru out bldg units 27,15,1,3 and 4 ceilingdamaged w/ black mold. remedy: repair and replace immediately.

    Jan 13, 2009 · Penalty $100

    Resolve
  • Hazardous

    Failure to maintain bldg (hazardous): bathroom ceiling collapsed at apt #3, 2nd floor on bldg. remedy: make repairs in a safe & lawful manner and maintain bldg.

    Jun 29, 2008 · Penalty $800

    Resolve
  • Non-hazardous

    B4a,32a,50a,b,c,d.50a-back flow preventor leaking.50b-remove waste oilfrom boiler room.50c-boiler room need to be cleaned out.50d-copper pipe from hot water coil corroded & leaking.

    Feb 4, 2008 · Penalty $2,500

    Resolve
  • Hazardous

    Directed the use of rigging equipment without a riggers license (2 point scaffold)

    Jul 20, 2005 · Penalty $500

    Resolve
  • Non-hazardous

    Failure to maintain exterior bldg wall defect is approx 20'-0' twenty feet in length of brick parapet wall at roof level union st side is missing and defective. remedy make all necessary repairs using similar

    Jun 28, 1988

    Resolve

Complaints

  • Heat/hot water

    Entire building

    Jan 30, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 30, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 30, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 29, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 30, 2025 · Apt BLDG

    Close
  • General

    Cabinet

    Jul 21, 2025 · Apt 21

    Close
  • Door/window

    Door frame

    Jul 21, 2025 · Apt 21

    Close
  • Paint/plaster

    Wall

    Jul 21, 2025 · Apt 21

    Close
  • Paint/plaster

    Ceiling

    Jul 21, 2025 · Apt 21

    Close
  • Electric

    Wiring

    Jun 4, 2025 · Apt 4

    Close
Show 40 more ↓
  • Door/window

    Door

    Jun 4, 2025 · Apt 4

    Close
  • General

    Bell/buzzer/intercom

    Jun 4, 2025 · Apt 4

    Close
  • Unsanitary condition

    Pests

    Jun 4, 2025 · Apt 4

    Close
  • Safety

    Smoke detector

    Jun 4, 2025 · Apt 4

    Close
  • Electric

    Outlet/switch

    Jun 4, 2025 · Apt 4

    Close
  • Unsanitary condition

    Pests

    Jun 4, 2025 · Apt 4

    Close
  • General

    Bell/buzzer/intercom

    Jun 4, 2025 · Apt 4

    Close
  • Door/window

    Door frame

    Jun 4, 2025 · Apt 4

    Close
  • Unsanitary condition

    Pests

    Mar 8, 2025 · Apt 17

    Close
  • Safety

    Smoke detector

    Mar 8, 2025 · Apt 17

    Close
  • Plumbing

    Bathtub/shower

    Mar 8, 2025 · Apt 17

    Close
  • Unsanitary condition

    Mold

    Mar 8, 2025 · Apt 17

    Close
  • Safety

    Carbon monoxide detector

    Mar 8, 2025 · Apt 17

    Close
  • Water leak

    Slow leak

    Mar 8, 2025 · Apt 17

    Close
  • Heat/hot water

    Apartment only

    Mar 8, 2025 · Apt 17

    Close
  • Heat/hot water

    Entire building

    Mar 1, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 19, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 21, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 21, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 21, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 21, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 21, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 20, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 20, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 20, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 17, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 15, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 15, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 15, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 15, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 15, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Jan 14, 2025 · Apt 17

    Close
  • Heat/hot water

    Entire building

    Jan 11, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 4, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 4, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 4, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 4, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Jan 3, 2025 · Apt 17

    Close
  • Heat/hot water

    Apartment only

    Dec 26, 2024 · Apt 17

    Close
  • Heat/hot water

    Entire building

    Dec 15, 2024 · Apt BLDG

    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 (C7)
Year built
1930
Floors
6
Residential units
32
Building area
27,000 ft²
Lot area
5,000 ft²
Zoning
R6
Community board
301
Council district
34
Block / lot
3040 / 1
Assessed value
$1,835,100
Landmark / historic district
No

HPD registration #302150, last renewed Sep 5, 2025.

Questions about 234 Union Avenue

Who owns 234 Union Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 234 Union LLC.

Does 234 Union Avenue have violations?

Yes. NYC HPD has recorded 377 housing violations at this property.

Is 234 Union Avenue rent stabilized?

NYC Department of Finance tax bills listed 16 rent-stabilized units here in 2024 (about 50% of its 32 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 234 Union Avenue built?

City records list 1930 as the year it was built.

How many apartments are in 234 Union Avenue?

It has 32 residential units and 35 units in total.

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