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12 Martense Street

Brooklyn, NY 11226BBL 3-05089-0012Map

Owner of record: 12 Martense Holding LLC

12 Martense Street is a walk-up apartment building built in 1925 in Brooklyn, 11226. It has 20 residential units across 4 floors. The owner of record is 12 Martense Holding LLC. HPD has recorded 381 housing violations here, most recently on August 18, 2026. 11 of the 50 most recent violations are still open.

HPD violations
381
DOB violations
9
ECB violations
1
HPD complaints
1,274

What to know

Concern
4 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Aug 18, 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 · 381

  • C

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

    Aug 18, 2026

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective latch set in the entrance located at apt 2b, 2nd story, 2nd apartment from west at north , section ''north''

    Aug 18, 2026 · Apt 2B

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... at ceiling (less than 10 sq ft) in the bathroom located at apt 2b, 2nd story, 2nd apartment from west at north , section ''north''

    Aug 18, 2026 · Apt 2B

    Open — Notice of issuance sent to tenant
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the bathroom located at apt 2b, 2nd story, 2nd apartment from west at north , section ''north''

    Aug 18, 2026 · Apt 2B

    Open — Nov sent out
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 2b, 2nd story, 2nd apartment from west at north , section ''north''

    Aug 18, 2026 · Apt 2B

    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 2b, 2nd story, 2nd apartment from west at north , section ''north''

    Aug 18, 2026 · Apt 2B

    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 2b, 2nd story, 2nd apartment from west at north , section ''north''

    Aug 18, 2026 · Apt 2B

    Open — Nov sent out
  • C

    Remove all obstructions and repair all defects in wasteline at water closet in the bathroom located at apt 2b, 2nd story, 2nd apartment from west at north , section ''north''

    Aug 18, 2026 · Apt 2B

    Open — Nov sent out
  • B

    Remove all encumbrances consisting of bicycle at public hall, 1st story

    Aug 18, 2026

    Open — Nov sent out
  • C

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

    Oct 20, 2025 · Apt 2B

    Open — Nov sent out
Show 40 more ↓
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ceiling and north wall in the 3rd room from north located at apt 2c, 2nd story, 1st apartment from west at north

    Sep 17, 2024 · Apt 2C

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective counter balance at upper sash window at west in the 1st room from east at south located at apt 2a, 2nd story, 1st apartment from west at north , section at north

    Aug 26, 2024 · Apt 2A

    Closed — Violation dismissed
  • 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 = 3, wg to replace = 0, wg to repair = 3 in the entire apartment located at apt 2c, 2nd story, 1st apartment from west at north , section at south

    Aug 26, 2024 · Apt 2C

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at door to public hall in the private hallway located at apt 2c, 2nd story, 1st apartment from west at north , section at south

    Aug 26, 2024 · Apt 2C

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the north wall and east wall in the bathroom located at apt 2c, 2nd story, 1st apartment from west at north , section at south

    Aug 26, 2024 · Apt 2C

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north , section at north

    Aug 26, 2024 · Apt 2A

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective wire glass pane at upper sash window at east at north section at public hall stairs, 4th story

    Aug 26, 2024

    Closed — Violation dismissed
  • A

    Properly repair or replace the broken or defective bell buzzer intercom system from building entrance to west wall in the private hallway located at apt 3c, 3rd story, 1st apartment from west at north

    Jul 9, 2024 · Apt 3C

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective ceramic floor tiles in the bathroom located at apt 2a, 2nd story, 1st apartment from west at north , section ''north''

    May 22, 2024 · Apt 2A

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north , section ''north''

    May 22, 2024 · Apt 2A

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north , section ''north''

    May 22, 2024 · Apt 2A

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective door leading to east yard at public hall, 1st story

    May 22, 2024

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department all ceilings and all walls in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north , section ''north''

    May 22, 2024 · Apt 2A

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2a, 2nd story, 1st apartment from west at north , section ''north''

    May 22, 2024 · Apt 2A

    Closed — Violation closed
  • B

    Remove all encumbrances consisting of two ladders and discarded electrical light fixture at public hall stairs, 4th story, section at south

    May 3, 2024

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges on door to roof at bulkhead at south section at public hall, 4th story

    May 3, 2024

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling in the bathroom located at apt 1b, 1st story, 1st apartment from north at east

    May 3, 2024 · Apt 1B

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... at ceiling apprx 1 square feet in the bathroom located at apt 1b, 1st story, 1st apartment from north at east original violation 16948243 issued 03-may-24 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    May 3, 2024 · Apt 1B

    Closed — Violation closed
  • C

    Remove the illegal fastening consisting of slide bolt arranged for padlock installed at east metal gate at west court at building front

    May 3, 2024

    Closed — Violation closed
  • C

    Properly repair or replace the broken or defective wire glass pane at lower sash at window at intermediat landing of public hall stairs at public hall, 3rd story, section at south

    May 3, 2024

    Closed — Violation dismissed
  • B

    Properly repair and abate unsafe electric wiring condition consisting of exposed electrical wiring at east wall at bulkhead at building south section at public hall, 4th story

    May 3, 2024

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges on door to roof at bulkhead at north section at public hall, 4th story

    May 3, 2024

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective electrical light fixture at east wall at bulkhead at building north section at public hall, 4th story

    May 3, 2024

    Closed — Violation dismissed
  • C

    Properly repair or replace the broken or defective glass pane at bottom at west partition of vestibule door at public hall, 1st story

    May 3, 2024

    Closed — Violation closed
  • A

    Trace and repair the source and abate the visible mold condition... at ceiling apprx 1 square feet in the bathroom located at apt 1b, 1st story, 1st apartment from north at east

    May 3, 2024 · Apt 1B

    Closed — Violation closed
  • A

    Paint metal in accordance with dept. regulation steam riser in the bathroom located at apt 1b, 1st story, 1st apartment from north at east

    May 3, 2024 · Apt 1B

    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

    Oct 19, 2023

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective at the entrance to building 1st from north at east , at public hall, 1st story

    Oct 19, 2023

    Closed — Violation closed
  • B

    Repair the leaky and/or defective faucets sink in the kitchen located at apt 2c, 2nd story, 1st apartment from south at west

    Aug 10, 2023 · Apt 2C

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at west wall in the bathroom located at apt 2c, 2nd story, 1st apartment from south at west

    Aug 10, 2023 · Apt 2C

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... approx 4sqft at west wall in the kitchen located at apt 2c, 2nd story, 1st apartment from south at west original violation 16155483 issued 10-aug-23 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Aug 10, 2023 · Apt 2C

    Closed — Violation closed
  • A

    Trace and repair the source and abate the visible mold condition... approx 4sqft at west wall in the kitchen located at apt 2c, 2nd story, 1st apartment from south at west

    Aug 10, 2023 · Apt 2C

    Closed — Violation closed
  • A

    And dept. rules and regulations. scrape and remove rust scales and paint with 2 coats of paint all balconys all stories front of the building at fire escape

    Jun 7, 2023

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes flower pots at north stack building front at fire escape, 2nd story

    Jun 7, 2023

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective leading to the east yard at public hall, 1st story

    Jun 7, 2023

    Closed — Violation closed
  • 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 10, 2022

    Closed — Violation dismissed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and all walls in the 1st room from east at north located at apt 2b, 2nd story, 2nd apartment from west at north

    Mar 22, 2022 · Apt 2B

    Open — Not complied with
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 2b, 2nd story, 2nd apartment from west at north

    Mar 22, 2022 · Apt 2B

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2b, 2nd story, 2nd apartment from west at north

    Mar 22, 2022 · Apt 2B

    Closed — Violation closed
  • 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 8, 2022

    Closed — Violation dismissed

DOB building violations · 9

  • Immediate emergency anythingoptional

    Fully demolish the exp 3 retaining wall approx 60 lf. grade and slope site as required. demolition operations to commence after or simultaneously with the ied issued separately for the full demolition of 873 rear flatbush ave

    Oct 24, 2025

    Dob violation - dismissed
  • Construction other optional

    In rear yard of building exp-3 retaining wall in state of severe disrepair with loose and dislodged bricks and leaning towards property.

    Oct 22, 2025

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2021 external low pressure inspection

    Jun 30, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2018 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2011 inspection report

    Mar 1, 2013

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2010 inspection report

    Dec 13, 2011

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    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

    Jul 25, 1994

    Dob violation - dismissed

ECB violations · 1

  • Class - 1

    Failure to maintain building in code compliant matter. noted: in rear yard of building exp-3 a retaining wall running along property line in state of severe disrepair, leaning towards property and with loose an

    Oct 22, 2025 · Penalty $12,500

    Active

Complaints

  • Water leak

    Slow leak

    Oct 8, 2026 · Apt 1A

    Open
  • Plumbing

    Basin/sink

    Oct 8, 2026 · Apt 1A

    Open
  • Plumbing

    Toilet

    Aug 12, 2026 · Apt 2B

    Close
  • Paint/plaster

    Wall

    Aug 12, 2026 · Apt 2B

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Jul 24, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    May 13, 2026 · Apt BLDG

    Close
  • Plumbing

    Water supply

    Mar 23, 2026 · Apt 2B

    Close
  • Paint/plaster

    Wall

    Mar 23, 2026 · Apt 2B

    Close
  • Paint/plaster

    Ceiling

    Mar 23, 2026 · Apt 2B

    Close
  • Door/window

    Door

    Mar 23, 2026 · Apt 2B

    Close
Show 40 more ↓
  • Paint/plaster

    Wall

    Mar 23, 2026 · Apt 2B

    Close
  • Door/window

    Door frame

    Mar 23, 2026 · Apt 2B

    Close
  • Door/window

    Door

    Feb 3, 2026 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Nov 27, 2024 · Apt BLDG

    Close
  • Door/window

    Window frame

    Aug 22, 2024 · Apt 2A

    Close
  • Unsanitary condition

    Pests

    Aug 22, 2024 · Apt 2A

    Close
  • Door/window

    Window pane

    Aug 22, 2024 · Apt 2A

    Close
  • Door/window

    Window frame

    Aug 22, 2024 · Apt 2A

    Close
  • Unsanitary condition

    Pests

    Aug 22, 2024 · Apt 2A

    Close
  • Door/window

    Window frame

    Aug 22, 2024 · Apt 2A

    Close
  • Door/window

    Window frame

    Aug 22, 2024 · Apt 2A

    Close
  • Unsanitary condition

    Pests

    Aug 22, 2024 · Apt 2A

    Close
  • Plumbing

    Water supply

    Aug 22, 2024 · Apt 2A

    Close
  • Door/window

    Window pane

    Aug 22, 2024 · Apt 2A

    Close
  • Paint/plaster

    Wall

    Jul 5, 2024 · Apt 2C

    Close
  • Unsanitary condition

    Mold

    Jul 5, 2024 · Apt 2C

    Close
  • General

    Bell/buzzer/intercom

    May 27, 2024 · Apt 3C

    Close
  • Paint/plaster

    Wall

    May 11, 2024 · Apt 2A

    Close
  • Unsanitary condition

    Pests

    May 11, 2024 · Apt 2A

    Close
  • Unsanitary condition

    Pests

    May 11, 2024 · Apt 2A

    Close
  • Water leak

    Heavy flow

    Apr 25, 2024 · Apt 1B

    Close
  • Electric

    No lighting

    Dec 2, 2023 · Apt BLDG

    Close
  • Plumbing

    Steam pipe/riser

    Oct 18, 2023 · Apt 2B

    Close
  • Electric

    Wiring

    Oct 18, 2023 · Apt 2B

    Close
  • Unsanitary condition

    Mold

    Aug 4, 2023 · Apt 2C

    Close
  • Plumbing

    Toilet

    Jul 31, 2023 · Apt 1D

    Close
  • Plumbing

    Basin/sink

    Jul 31, 2023 · Apt 1D

    Close
  • Plumbing

    Water supply

    May 2, 2023 · Apt 1

    Close
  • Appliance

    Refrigerator

    Aug 18, 2022 · Apt 1D

    Close
  • Unsanitary condition

    Pests

    Mar 8, 2022 · Apt 2B

    Close
  • Unsanitary condition

    Pests

    Mar 8, 2022 · Apt 2B

    Close
  • Door/window

    Door

    Mar 8, 2022 · Apt 2B

    Close
  • Plumbing

    Water supply

    Mar 8, 2022 · Apt 2B

    Close
  • Plumbing

    Water supply

    Mar 8, 2022 · Apt 2B

    Close
  • Outside building

    Roof door/hatch

    Mar 7, 2022 · Apt BLDG

    Close
  • Paint/plaster

    Wall

    Mar 7, 2022 · Apt BLDG

    Close
  • Paint/plaster

    Ceiling

    Mar 7, 2022 · Apt BLDG

    Close
  • Door/window

    Door

    Mar 7, 2022 · Apt BLDG

    Close
  • Safety

    Carbon monoxide detector

    Mar 6, 2022 · Apt 2B

    Close
  • Electric

    Outlet/switch

    Mar 6, 2022 · Apt 2B

    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 (C1)
Year built
1925
Floors
4
Residential units
20
Building area
18,240 ft²
Lot area
6,000 ft²
Zoning
R7A
Community board
314
Council district
40
Block / lot
5089 / 12
Assessed value
$366,300
Landmark / historic district
No

HPD registration #324112, last renewed Aug 27, 2025.

Questions about 12 Martense Street

Who owns 12 Martense Street?

The owner of record in NYC Department of City Planning PLUTO data is 12 Martense Holding LLC.

Does 12 Martense Street have violations?

Yes. NYC HPD has recorded 381 housing violations at this property.

Is 12 Martense 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 12 Martense Street built?

City records list 1925 as the year it was built.

How many apartments are in 12 Martense Street?

It has 20 residential units.

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