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721 Union Avenue

Bronx, NY 10455BBL 2-02665-0061Map

Owner of record: Union Ave Estates LLC

721 Union Avenue is a walk-up apartment building built in 1920 in Bronx, 10455. It has 47 residential units across 6 floors. The owner of record is Union Ave Estates LLC. HPD has recorded 1,193 housing violations here, most recently on September 23, 2026. 22 of the 50 most recent violations are still open. City tax records listed 48 rent-stabilized apartments here in 2024.

HPD violations
1,193
DOB violations
8
ECB violations
5
HPD complaints
2,503

What to know

Concern
5 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Sep 23, 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
48
About 100% of the building's 47 apartments

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 · 1,193

  • B

    Trace and repair the source and abate the visible mold condition... greater than 10sq.ft at east wall behind water closet in the bathroom located at apt c1, 3rd story, 1st apartment from south at west , section ''729''

    Sep 23, 2026 · Apt C1

    Open — Civ14 mailed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling and east wall in the bathroom located at apt c1, 3rd story, 1st apartment from south at west , section ''729''

    Sep 23, 2026 · Apt C1

    Open — Civ14 mailed
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt c1, 3rd story, 1st apartment from south at west , section ''729''

    Sep 23, 2026 · Apt C1

    Open — Civ14 mailed
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt c1, 3rd story, 1st apartment from south at west , section ''729''

    Sep 23, 2026 · Apt C1

    Open — Civ14 mailed
  • B

    Properly repair or replace the broken or defective light fixture at ceiling in the bathroom located at apt a3, 1st story, 1st apartment from west at north

    Sep 18, 2026 · Apt A3

    Open — Nov sent out
  • B

    Provide a safe and adequate supply of electric service to the fixtures at room en4 in the 4th room from east at north located at apt a3, 1st story, 1st apartment from west at north

    Sep 18, 2026 · Apt A3

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt a3, 1st story, 1st apartment from west at north

    Sep 18, 2026 · Apt A3

    Open — Nov sent out
  • B

    Provide a safe and adequate supply of electric service to the fixtures at room es4 in the 4th room from east at south located at apt a3, 1st story, 1st apartment from west at north

    Sep 18, 2026 · Apt A3

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt a3, 1st story, 1st apartment from west at north

    Sep 18, 2026 · Apt A3

    Open — Nov sent out
  • C

    Properly repair the source and abate the evidence of a water leak at east wall and ceiling in the bathroom located at apt a3, 1st story, 1st apartment from west at north

    Sep 18, 2026 · Apt A3

    Open — Civ14 mailed
Show 40 more ↓
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    Sep 18, 2026 · Apt 2D

    Open — Civ14 mailed
  • B

    Properly repair or replace the broken or defective rubber gasket at refrigerator door in the kitchen located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    Sep 18, 2026 · Apt 2D

    Open — Civ14 mailed
  • B

    Properly repair with similar material the broken or defective porcelain enamel glaze at bathtub in the bathroom located at apt 2d, 5th story, 2nd apartment from south at west

    Aug 10, 2026 · Apt 2D

    Open — Civ14 mailed
  • B

    Repair the leaky and/or defective faucets at bathtub in the bathroom located at apt 2d, 5th story, 2nd apartment from south at west

    Aug 10, 2026 · Apt 2D

    Open — Civ14 mailed
  • C

    Remove all obstructions and repair all defects in clogged drain pipe at bathtub in the bathroom located at apt 2d, 5th story, 2nd apartment from south at west

    Aug 10, 2026 · Apt 2D

    Open — Civ14 mailed
  • B

    Properly repair or replace the broken or defective rubber gasket at refrigerator door in the kitchen located at apt 2d, 5th story, 2nd apartment from south at west

    Aug 10, 2026 · Apt 2D

    Open — Civ14 mailed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2d, 5th story, 2nd apartment from south at west

    Aug 10, 2026 · Apt 2D

    Open — Civ14 mailed
  • C

    Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at observe live rats at time of inspection in the building at public hall, 1st story

    Jul 22, 2026

    Closed — Violation closed
  • B

    Provide escutcheon plate at top and bottom riser in the kitchen located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at south wall in the kitchen located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • A

    Properly repair or replace the broken or defective latch and it's assembly at closet door in the private hallway located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • B

    Remove all obstructions and repair all defects in waste line at bathtub in the bathroom located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... more than 10 sq ft at ceiling, north and west wall in the bathroom located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • C

    Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 1, wg to replace = 0, wg to repair = 0 in the 1st room from north located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • A

    § 53, 187, 231 m/d law and department rules and regulations. provide a shoe properly secured to bottom of string of dropladder tack weleded, properly secure by using appropriate nuts and bolts to secure at 2nd fire escape from north at west exterior wall at fire escape

    May 27, 2026

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective doorbell at apartment entranace door in the entrance located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective porcelain enamel finish by methor of reglazing at bathtub in the bathroom located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • C

    Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at court yard, section ''731''

    May 27, 2026

    Closed — Violation closed
  • B

    Provide adequate light of not less than 60 watts incandescent or equivalent illumination at ceiling light fixture at public hall, 2nd story, section ''731''

    May 27, 2026

    Closed — Violation closed
  • A

    Post sign on wall of entrance story bearing name, address including apartment number if any, and telephone number of superintendent, janitor or housekeeper. at public hall, 1st story

    May 27, 2026

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective latch set and it's assembly at building entrance door 1st story from court to public hall at public hall, 1st story

    May 27, 2026

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective latch set at building entrance door at public hall, 1st story

    May 27, 2026

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective latch and it's assembly at room door in the 2nd room from north located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • A

    Replace with new the missing radiator handle knob in the 1st room from north at east located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • A

    Replace with new the missing radiator handle knob in the 1st room from north located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at closet ceiling in the 1st room from north located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • B

    Repair the flushing apparatus and maintain same so as to flush effectively the water closet ... in the bathroom located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt d4, 4th story, 2nd apartment from south at west

    May 27, 2026 · Apt D4

    Closed — Violation dismissed
  • B

    Abate the nuisance consisting of pests. evidence of infestation of spiders in the entire apartment located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Open — Not complied with
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Open — Not complied with
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective missing ceramic floor tiles in the 2nd room from north located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Open — Not complied with
  • B

    Properly repair with similar material the broken or defective missing ceramic tiles at floor in the foyer located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Open — Not complied with
  • B

    Properly repair or replace the broken or defective bell buzzer intercom system from the building entrance door to panel at east wall in the kitchen located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective spring balance at lower sash in the bathroom located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Open — Not complied with
  • B

    Provide escutcheon plate at top and bottom riser in the bathroom located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective ceramic floor tiles in the 1st room from north located at apt 2d, 4th story, 2nd apartment from south at west , section ''731''

    May 27, 2026 · Apt 2D

    Closed — Violation closed

DOB building violations · 8

  • 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 - active
  • Low pressure boiler boiler required

    Issued for failure to file annual boiler 2013 inspection report

    Mar 3, 2015

    Dob violation - active
  • Low pressure boiler boiler required

    Issued for failure to file annual boiler 2012 inspection report

    May 15, 2014

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2011 inspection report

    Mar 1, 2013

    Dob violation - active
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 1, 2009

    Dob violation - active
  • Construction other optional

    C-construction other optional

    Nov 18, 2006

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Sep 16, 1997

    Dob violation - dismissed

ECB violations · 5

  • Class - 1

    Summons issued for failure to maintain due to multiple cracks in the brick facade and defective lentil above 3rd floor window right side of exposure and spalling on the exposure #4, repair and/replace

    Apr 20, 2024 · Penalty $1,250

    Resolve
  • Class - 2

    At time of inspection observed exterior masonry facades instate of disrepair conditions with vertical and step cracks throughout exposure # 01 & 04. also observed window capping open & exposed interior bricks a

    Jan 18, 2024

    Resolve
  • Hazardous

    Failure to comply w/a stop work order.stop work order #111806c01fg05 issued on 11/18/06.remedy:comply w/stop work order.

    Nov 19, 2006 · Penalty $1,500

    Resolve
  • Non-hazardous

    Failure to protect sidewalk & walkways during const operations.@ southside elevation brick & window work w/hook scaffold in progress over public walkway for build.tenants.stop all work.remedy:except to provide

    Nov 18, 2006 · Penalty $2,000

    Resolve
  • Hazardous

    Supervisor or use of rigging equip.w/o a special riggers lic.no riggers lic present for roof hook scaffold.stop all work.remedy: provide license.

    Nov 18, 2006 · Penalty $500

    Resolve

Complaints

  • Paint/plaster

    Wall

    Sep 29, 2026 · Apt B2

    Open
  • Plumbing

    Bathtub/shower

    Sep 29, 2026 · Apt B2

    Open
  • Flooring/stairs

    Floor

    Sep 29, 2026 · Apt B2

    Open
  • Electric

    No lighting

    Sep 25, 2026 · Apt A3

    Close
  • Plumbing

    Radiator

    Sep 25, 2026 · Apt A3

    Open
  • Electric

    Lighting

    Sep 25, 2026 · Apt A3

    Open
  • Plumbing

    Basin/sink

    Sep 18, 2026 · Apt C1

    Close
  • Paint/plaster

    Wall

    Sep 17, 2026 · Apt A3

    Close
  • Water leak

    Heavy flow

    Sep 17, 2026 · Apt A3

    Close
  • Electric

    Lighting

    Sep 17, 2026 · Apt A3

    Close
Show 40 more ↓
  • Paint/plaster

    Ceiling

    Sep 17, 2026 · Apt A3

    Close
  • Electric

    No lighting

    Sep 17, 2026 · Apt A3

    Close
  • Paint/plaster

    Wall

    Sep 14, 2026 · Apt A2

    Close
  • Unsanitary condition

    Mold

    Sep 14, 2026 · Apt A2

    Close
  • Electric

    No lighting

    Aug 31, 2026 · Apt A2

    Close
  • Electric

    Wiring

    Aug 31, 2026 · Apt A2

    Close
  • Electric

    No lighting

    Aug 17, 2026 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Aug 17, 2026 · Apt BLDG

    Close
  • Door/window

    Window frame

    Aug 12, 2026 · Apt D4

    Close
  • Unsanitary condition

    Pests

    Aug 12, 2026 · Apt D4

    Close
  • Unsanitary condition

    Pests

    Aug 12, 2026 · Apt D4

    Close
  • General

    Cabinet

    Aug 12, 2026 · Apt D4

    Close
  • Door/window

    Door frame

    Aug 12, 2026 · Apt D4

    Close
  • Appliance

    Electric/gas range

    Aug 7, 2026 · Apt 2D

    Close
  • Appliance

    Refrigerator

    Aug 7, 2026 · Apt 2D

    Close
  • Appliance

    Refrigerator

    Aug 7, 2026 · Apt 2D

    Close
  • Unsanitary condition

    Mold

    Aug 7, 2026 · Apt 2D

    Close
  • Unsanitary condition

    Pests

    Aug 4, 2026 · Apt D4

    Close
  • Door/window

    Window frame

    Aug 4, 2026 · Apt D4

    Close
  • General

    Cabinet

    Aug 4, 2026 · Apt D4

    Close
  • Paint/plaster

    Wall

    Aug 2, 2026 · Apt 2D

    Close
  • Paint/plaster

    Wall

    Aug 2, 2026 · Apt 2D

    Close
  • Appliance

    Refrigerator

    Aug 2, 2026 · Apt 2D

    Close
  • Unsanitary condition

    Pests

    Aug 2, 2026 · Apt 2D

    Close
  • Flooring/stairs

    Floor

    Jul 30, 2026 · Apt D4

    Close
  • Paint/plaster

    Wall

    Jul 30, 2026 · Apt D4

    Close
  • Appliance

    Refrigerator

    Jul 30, 2026 · Apt D4

    Close
  • Electric

    Outlet/switch

    Jul 30, 2026 · Apt D4

    Close
  • Plumbing

    Toilet

    Jul 30, 2026 · Apt D4

    Close
  • Unsanitary condition

    Pests

    Jul 30, 2026 · Apt D4

    Close
  • Door/window

    Door frame

    Jul 30, 2026 · Apt D4

    Close
  • General

    Cabinet

    Jul 30, 2026 · Apt D4

    Close
  • Unsanitary condition

    Pests

    Jul 21, 2026 · Apt B1

    Close
  • Door/window

    Door

    Jul 21, 2026 · Apt B1

    Close
  • Plumbing

    Toilet

    Jul 21, 2026 · Apt B1

    Close
  • Flooring/stairs

    Floor

    Jul 20, 2026 · Apt A2

    Close
  • Electric

    Power outage

    Jul 20, 2026 · Apt A2

    Close
  • Electric

    Outlet/switch

    Jul 9, 2026 · Apt A2

    Close
  • Electric

    Wiring

    Jun 30, 2026 · Apt A2

    Close
  • Plumbing

    Water supply

    Jun 20, 2026 · Apt 1B

    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
1920
Floors
6
Residential units
47
Building area
43,750 ft²
Lot area
9,600 ft²
Zoning
R6
Community board
201
Council district
8
Block / lot
2665 / 61
Assessed value
$1,656,000
Landmark / historic district
No

HPD registration #210605, last renewed Jul 9, 2026.

Questions about 721 Union Avenue

Who owns 721 Union Avenue?

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

Does 721 Union Avenue have violations?

Yes. NYC HPD has recorded 1,193 housing violations at this property.

Is 721 Union Avenue rent stabilized?

NYC Department of Finance tax bills listed 48 rent-stabilized units here in 2024 (about 100% of its 47 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 721 Union Avenue built?

City records list 1920 as the year it was built.

How many apartments are in 721 Union Avenue?

It has 47 residential units and 49 units in total.

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