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
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 381
- CImmediately hazardous
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 - CImmediately hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - BHazardous
Remove all encumbrances consisting of bicycle at public hall, 1st story
Aug 18, 2026
Open — Nov sent out - CImmediately hazardous
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 ↓
- BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - BHazardous
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 - CImmediately hazardous
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 - BHazardous
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 - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - ANon-hazardous
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 - CImmediately hazardous
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 - BHazardous
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 - CImmediately hazardous
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 - ANon-hazardous
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 - BHazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - BHazardous
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 - CImmediately hazardous
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 - BHazardous
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 - CImmediately hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - CImmediately hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - BHazardous
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 - CImmediately hazardous
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 - IInformation / order
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 - ANon-hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - ANon-hazardous
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
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.