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337 Union Avenue

Brooklyn, NY 11211BBL 3-02400-0012Map

Owner of record: Mapleridge Realty LLC

337 Union Avenue is a walk-up apartment building built in 1910 in Brooklyn, 11211. It has 10 residential units across 5 floors. The owner of record is Mapleridge Realty LLC. HPD has recorded 54 housing violations here, most recently on November 7, 2022. 35 of the 50 most recent violations are still open. City tax records listed 1 rent-stabilized apartment here in 2024.

HPD violations
54
DOB violations
11
ECB violations
0
HPD complaints
39

What to know

Concern
5 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Nov 7, 2022

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
1
About 10% of the building's 10 apartments
Down from 10 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 · 54

  • 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 7, 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.

    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.

    Oct 31, 2019

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling in the kitchen located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • 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

    Aug 23, 2019

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective caulking around the bathtub in the bathroom located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system notice missing at public hall, 1st story

    Aug 23, 2019

    Open — Nov sent out
Show 40 more ↓
  • 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

    Aug 23, 2019

    Open — Nov sent out
  • 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

    Aug 23, 2019

    Open — Nov sent out
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling. at public hall, 1st story

    Aug 23, 2019

    Open — Nov sent out
  • A

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

    Aug 23, 2019

    Closed — Violation dismissed
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Aug 23, 2019

    Closed — Violation dismissed
  • A

    § 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor frame missing at public hall, 1st story

    Aug 23, 2019

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling at public hall, 5th story

    Aug 23, 2019

    Closed — Violation dismissed
  • B

    Properly repair and abate unsafe electric wiring condition consisting of exposed electric wires at ceiling at public hall, 5th story

    Aug 23, 2019

    Open — Nov sent out
  • B

    Remove all encumbrances consisting of household itmes at public hall, 5th story

    Aug 23, 2019

    Open — Nov sent out
  • A

    Provide a lock and key to the entrance door of dwelling unit and, if a cl a multiple dwelling, also a chain guard missing at door in the entrance located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • C

    Arrange and make self-closing the doors in the entrace located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • C

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 3rd room from east located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Closed — Violation closed
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate at fire escape window in the kitchen located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • B

    Replace with new the broken or defective rubber gasket at refrigerator door in the kitchen located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Notice of issuance sent to tenant
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Notice of issuance sent to tenant
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at east wall in the bathroom located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective ceramic tile at floor in the bathroom located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Open — Nov sent out
  • C

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroom located at apt 5l, 5th story, apartment at south

    Aug 23, 2019 · Apt 5L

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective fire retardant material at ceiling at public hall, 5th story

    Aug 23, 2019

    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, 2017

    Closed — Violation dismissed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the 3rd room from east located at apt 5l, 5th story, 1st apartment from east at south

    Sep 30, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective ceramic floor tiles in the bathroom located at apt 5l, 5th story, 1st apartment from east at south

    Sep 30, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and all walls in the bathroom located at apt 5l, 5th story, 1st apartment from east at south

    Sep 30, 2017 · Apt 5L

    Open — Nov sent out
  • A

    § 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor missing at public hall, 1st story

    Jul 6, 2017

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak over ceiling in the bathroom located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Abate the nuisance consisting of roaches in the entire apartment located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Replace with new the missing ceramic floor tiles in the bathroom located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective caulking around bath tub in the bathroom located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Repair or replace the smoke detector missing located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color all walls and ceilings in the entire apartment located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    Open — Nov sent out
  • 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

    Jul 6, 2017

    Open — Nov sent out
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system missing at public hall, 1st story

    Jul 6, 2017

    Open — Nov sent out
  • A

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

    Jul 6, 2017

    Open — Nov sent out
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling. at public hall, 1st story

    Jul 6, 2017

    Open — Nov sent out
  • 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

    Jul 6, 2017

    Open — Nov sent out
  • B

    Replace with new the broken or defective gasket for refrigerator in the kitchen located at apt 5l, 5th story, 1st apartment from east at south

    Jul 6, 2017 · Apt 5L

    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 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

DOB building violations · 11

  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2016 inspection report

    Apr 6, 2018

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2015 inspection report

    Feb 24, 2017

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2014 inspection report

    Oct 1, 2015

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 19, 2003

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 26, 2002

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 27, 2001

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 16, 1999

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    May 4, 1998

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Sep 16, 1997

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - active
Show 1 more ↓
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 16, 1993

    Dob violation - active

ECB violations · 0

No ECB violations on record

Complaints

  • General

    Bell/buzzer/intercom

    May 14, 2026 · Apt 2R

    Close
  • Door/window

    Door

    May 14, 2026 · Apt 2R

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Mar 11, 2026 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Mar 11, 2026 · Apt BLDG

    Close
  • Appliance

    Refrigerator

    Feb 28, 2020 · Apt 5L

    Close
  • Plumbing

    Bathtub/shower

    Feb 28, 2020 · Apt 5L

    Close
  • Electric

    No lighting

    Feb 28, 2020 · Apt 5L

    Close
  • Flooring/stairs

    Floor

    Feb 28, 2020 · Apt 5L

    Close
  • Appliance

    Refrigerator

    Jan 10, 2020 · Apt 5L

    Close
  • Flooring/stairs

    Floor

    Jan 10, 2020 · Apt 5L

    Close
Show 29 more ↓
  • Heat/hot water

    Entire building

    Nov 3, 2019 · Apt 1R

    Close
  • Paint/plaster

    Wall

    Aug 19, 2019 · Apt 5L

    Close
  • Paint/plaster

    Ceiling

    Aug 19, 2019 · Apt 5L

    Close
  • Appliance

    Refrigerator

    Jun 6, 2019 · Apt 5L

    Close
  • Paint/plaster

    Ceiling

    Jun 6, 2019 · Apt 5L

    Close
  • Flooring/stairs

    Floor

    Jun 6, 2019 · Apt 5L

    Close
  • Paint/plaster

    Ceiling

    Jun 6, 2019 · Apt 5L

    Close
  • Appliance

    Refrigerator

    Jun 6, 2019 · Apt 5L

    Close
  • Flooring/stairs

    Floor

    Jun 6, 2019 · Apt 5L

    Close
  • Paint/plaster

    Window/frame

    Sep 19, 2017 · Apt 5L

    Close
  • Appliance

    Refrigerator

    Sep 19, 2017 · Apt 5L

    Close
  • Flooring/stairs

    Floor

    Sep 19, 2017 · Apt 5L

    Close
  • Paint/plaster

    Ceiling

    Sep 19, 2017 · Apt 5L

    Close
  • Paint/plaster

    Ceiling

    Sep 19, 2017 · Apt 5L

    Close
  • Flooring/stairs

    Floor

    Jun 21, 2017 · Apt 5L

    Close
  • Plumbing

    Bathtub/shower

    Jun 21, 2017 · Apt 5L

    Close
  • Paint/plaster

    Ceiling

    Jun 21, 2017 · Apt 5L

    Close
  • Heat/hot water

    Entire building

    May 8, 2017 · Apt 3R

    Close
  • Appliance

    Refrigerator

    Aug 18, 2015 · Apt 4R

    Close
  • Heating

    Heat related

    Feb 28, 2013 · Apt 4L

    Close
  • Heating

    Heat related

    Feb 13, 2013 · Apt 4L

    Close
  • Heating

    Heat related

    Apr 28, 2012 · Apt 4L

    Close
  • Electric

    Bell-buzzer/intercom

    Aug 5, 2009 · Apt 4L

    Close
  • Nonconst

    Rubbish

    Aug 5, 2009 · Apt 4L

    Close
  • Nonconst

    Rubbish

    Aug 5, 2009 · Apt 4L

    Close
  • Heating

    Heat related

    Apr 1, 2009 · Apt 5R

    Close
  • Heating

    Heat related

    Jan 12, 2009 · Apt 4L

    Close
  • Heating

    Heat related

    Jan 12, 2009 · Apt 4L

    Close
  • Heating

    Heat related

    Jan 1, 2009 · Apt 4L

    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 (C4)
Year built
1910
Floors
5
Residential units
10
Building area
6,738 ft²
Lot area
2,450 ft²
Zoning
R6
Community board
301
Council district
34
Block / lot
2400 / 12
Assessed value
$1,126,350
Landmark / historic district
No

HPD registration #308735, last renewed Sep 3, 2025.

Questions about 337 Union Avenue

Who owns 337 Union Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Mapleridge Realty LLC.

Does 337 Union Avenue have violations?

Yes. NYC HPD has recorded 54 housing violations at this property.

Is 337 Union Avenue rent stabilized?

NYC Department of Finance tax bills listed 1 rent-stabilized units here in 2024 (about 10% of its 10 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 337 Union Avenue built?

City records list 1910 as the year it was built.

How many apartments are in 337 Union Avenue?

It has 10 residential units.

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