312 Jefferson Street
Brooklyn, NY 11237BBL 3-03175-0022Map
Owner of record: Sl Systems LLC
312 Jefferson Street is a walk-up apartment building built in 1931 in Brooklyn, 11237. It has 8 residential units across 4 floors. The owner of record is Sl Systems LLC. HPD has recorded 66 housing violations here, most recently on November 20, 2025. 14 of the 50 most recent violations are still open. City tax records listed 7 rent-stabilized apartments here in 2024.
- HPD violations
- 66
- DOB violations
- 4
- ECB violations
- 1
- HPD complaints
- 89
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
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.
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 · 66
- 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 20, 2025
Closed — Violation dismissed - CImmediately hazardous
M/d law abate the nuisance consisting of hot water exceeds the maximum temperature of 130 degrees fahrenheit in the kitchen located at apt 1r, 1st story, 1st apartment from east at south
Jul 1, 2024 · Apt 1R
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of hasp and eye capable of being padlocked at interior door in the entrance located at apt 3r, 3rd story, 1st apartment from east at south
Jul 1, 2024 · Apt 3R
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 = 2; wg to replace = 0; wg to repair = 0; in the entire apartment located at apt 3r, 3rd story, 1st apartment from east at south
Jul 1, 2024 · Apt 3R
Open — Not complied with - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the 20 cubic yards of debris and rubbish at gas meters at basement
Jul 1, 2024
Closed — Violation dismissed - ANon-hazardous
§ 53, 187, 231 m/d law and department rules and regulations. provide a shoe properly secured to bottom of string of dropladder at east yard at rear building at fire escape
Jul 1, 2024
Closed — Violation dismissed - BHazardous
And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes consisting of household articles at 3rd story balcony at 1st stack from north at east at yard at rear building at fire escape
Jul 1, 2024
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 1st room from east at north located at apt 1l, 1st story, 1st apartment from west at north
Jul 1, 2024 · Apt 1L
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3r, 3rd story, 1st apartment from east at south
Jul 1, 2024 · Apt 3R
Open — Invalid certification - CImmediately hazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at north wall and ceiling in the bathroom located at apt 3r, 3rd story, 1st apartment from east at south
Jul 1, 2024 · Apt 3R
Closed — Violation closed
Show 40 more ↓
- 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.
Apr 10, 2024
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the 1st room from north located at apt 4l, 4th story, 2nd apartment from west at north
Apr 1, 2024 · Apt 4L
Closed — Violation dismissed - CImmediately hazardous
Properly repair or replace the broken or defective locking device on door in vestibule at public hall, 1st story
Apr 1, 2024
Closed — Violation closed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges on door in the entrance located at apt 4l, 4th story, 2nd apartment from west at north
Apr 1, 2024 · Apt 4L
Open — First no access to re- inspect violation - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 4l, 4th story, 2nd apartment from west at north
Apr 1, 2024 · Apt 4L
Open — First no access to re- inspect violation - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 4l, 4th story, 2nd apartment from west at north
Apr 1, 2024 · Apt 4L
Open — First no access to re- inspect violation - 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 = 2, wg to replace = 0, wg to repair = 0 in the entire apartment located at apt 4l, 4th story, 2nd apartment from west at north
Apr 1, 2024 · Apt 4L
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 22, 2023
Closed — Violation dismissed - 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 23, 2023
Closed — Violation dismissed - 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 14, 2022
Closed — Violation dismissed - 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.
Feb 25, 2022
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 2l, 2nd story, 1st apartment from north at east
Nov 9, 2021 · Apt 2L
Open — First no access to re- inspect violation - ANon-hazardous
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
Jul 19, 2021
Closed — Violation dismissed - ANon-hazardous
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.
Jul 19, 2021
Closed — Violation dismissed - 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
Jul 19, 2021
Closed — Violation dismissed - BHazardous
Properly secure the loose handrail leading to bulkhead roof door at public hall, 4th story
Jul 19, 2021
Closed — Violation dismissed - 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.
Apr 9, 2021
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective fire retardant material at the ceiling at public hall, 4th story
Mar 20, 2021
Closed — Violation closed - BHazardous
Repair the roof so that it will not leak above the ceiling at public hall, 4th story
Mar 20, 2021
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the ceiling at public hall, 4th story
Mar 20, 2021
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective fire retardant material at the north, east and south wall at public hall, 2nd story
Mar 20, 2021
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of refrigerator with doors intact at public hall, 1st story
Mar 20, 2021
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the north, east and south wall at public hall, 2nd story
Mar 20, 2021
Closed — Violation closed - CImmediately hazardous
Correct failure to notify occupants and/or to investigate lead-based paint hazards.
Feb 23, 2021
Open — Nov sent out - CImmediately hazardous
Correct failure to provide to the department within 45 days of demand all records required to be maintained by owner pursuant to local law 1 of 2004 related to lead-based paint notices, inspections and remediation/abatement activities.
Dec 23, 2020
Open — Nov sent out - BHazardous
Provide missing brackets for air conditioner on 3rd and 4th story at front of building
Nov 19, 2020
Closed — Violation closed - ANon-hazardous
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
Nov 19, 2020
Closed — Violation dismissed - ANon-hazardous
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
Nov 19, 2020
Closed — Violation dismissed - 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
Nov 19, 2020
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective wood floor in the 2nd room from east located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Open — First no access to re- inspect violation - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Open — First no access to re- inspect violation - BHazardous
M/d law abate the nuisance consisting of slide bolt locking device behind at door to west wall preventing egress from room east -4 to fire escape in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Closed — Violation closed - BHazardous
Replace with new the broken or defective door saddle at entrance to building , 1st story
Nov 6, 2020
Open — Not complied with - BHazardous
And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes household items at balcony, rear of building, east yard, at fire escape, 2nd story
Nov 6, 2020
Open — Not complied with - CImmediately hazardous
Properly repair the source and abate the evidence of a water leak at, ceiling , south and east walls in the kitchen located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Closed — Violation closed - BHazardous
Replace with new the broken or defective door saddle in the entrance located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Open — First no access to re- inspect violation - ANon-hazardous
Trace and repair the source and abate the visible mold condition... at ( approximately 1sqft ) ceiling in the kitchen located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Closed — Violation dismissed - ANon-hazardous
Properly repair with similar material the broken or defective wood floor in the 3rd room from east located at apt 2l, 2nd story, 1st apartment from west at north
Nov 6, 2020 · Apt 2L
Closed — Violation dismissed - 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.
Oct 30, 2019
Closed — Violation dismissed
DOB building violations · 4
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
May 4, 1998
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1994
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1993
Dob violation - dismissed
ECB violations · 1
- Class - 2
Work without a permit. premises is a four story m/d. partitions were erected throughout to create additional bedrooms in each apartment. eight apartments in total, obtain all permits
Jul 18, 2024 · Penalty $625
Resolve
Complaints
- Safety
Window guard broken/missing
Apr 1, 2024 · Apt 4L
Close - Safety
Carbon monoxide detector
Apr 1, 2024 · Apt 4L
Close - Safety
Smoke detector
Apr 1, 2024 · Apt 4L
Close - Electric
Lighting
Oct 18, 2021 · Apt 2L
Close - Appliance
Refrigerator
Oct 18, 2021 · Apt 2L
Close - Unsanitary condition
Pests
Oct 18, 2021 · Apt 2L
Close - Heat/hot water
Apartment only
Nov 17, 2020 · Apt 2L
Close - General
Cabinet
Oct 23, 2020 · Apt 2L
Close - Flooring/stairs
Floor
Oct 23, 2020 · Apt 2L
Close - Unsanitary condition
Pests
Sep 15, 2020 · Apt 1R
Close
Show 40 more ↓
- Door/window
Door
Jul 2, 2020 · Apt 3N
Close - Unsanitary condition
Garbage/recycling storage
Nov 7, 2015 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 7, 2015 · Apt 1R
Close - Heat/hot water
Entire building
Sep 15, 2014 · Apt 1R
Close - General
Window guards
Mar 7, 2014 · Apt 1R
Close - General
Mold
Mar 7, 2014 · Apt 1R
Close - Heating
Heat related
Nov 24, 2013 · Apt NA
Close - Nonconst
Rubbish
Apr 27, 2012 · Apt 4L
Close - General
Floor
Nov 7, 2011 · Apt 1R
Close - General
Mold
Nov 7, 2011 · Apt 1R
Close - Plumbing
Basin/sink
Nov 7, 2011 · Apt 1R
Close - General
Mold
Nov 7, 2011 · Apt 1R
Close - General
Window guards
May 18, 2011 · Apt 1L
Close - General
Ceramic-tile
Apr 20, 2011 · Apt 3R
Close - General
Locks
Apr 20, 2011 · Apt 3R
Close - General
Doors
Apr 20, 2011 · Apt 3R
Close - Heating
Heat related
Jan 28, 2010 · Apt 2L
Close - Plumbing
Water-leaks
Jan 11, 2010 · Apt 2L
Close - Paint/plaster
Wall
Jan 11, 2010 · Apt 2L
Close - Paint/plaster
Ceiling
Jan 11, 2010 · Apt 2L
Close - General
Floor
Jan 11, 2010 · Apt 2L
Close - Heating
Heat related
Jan 11, 2010 · Apt 2L
Close - Heating
Heat related
Jan 9, 2010 · Apt 2L
Close - Heating
Heat related
Jan 7, 2010 · Apt 2L
Close - General
Mold
Jan 7, 2010 · Apt 2L
Close - Paint/plaster
Wall
Jan 7, 2010 · Apt 2L
Close - Paint/plaster
Wall
Jan 7, 2010 · Apt 2L
Close - Paint/plaster
Ceiling
Jan 4, 2010 · Apt 3R
Close - Nonconst
Vermin
Jan 4, 2010 · Apt 3R
Close - Paint/plaster
Wall
Jan 4, 2010 · Apt 3R
Close - Nonconst
Vermin
Sep 7, 2009 · Apt 2L
Close - General
Ceramic-tile
Apr 21, 2008 · Apt 3R
Close - General
Ceramic-tile
Apr 21, 2008 · Apt 3R
Close - Paint/plaster
Ceiling
Apr 21, 2008 · Apt 3R
Close - Nonconst
Vermin
Apr 21, 2008 · Apt 3R
Close - Heating
Heat related
Jan 21, 2008 · Apt BLDG
Close - Heating
Heat related
Jan 2, 2008 · Apt BLDG
Close - Heating
Heat related
Dec 20, 2007 · Apt BLDG
Close - Heating
Heat related
Feb 19, 2007 · Apt 2
Close - Heating
Heat related
Feb 6, 2007 · Apt BLDG
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1931
- Floors
- 4
- Residential units
- 8
- Building area
- 6,500 ft²
- Lot area
- 2,500 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 34
- Block / lot
- 3175 / 22
- Assessed value
- $488,250
- Landmark / historic district
- No
HPD registration #347852, last renewed Nov 21, 2025.
Questions about 312 Jefferson Street
Who owns 312 Jefferson Street?
The owner of record in NYC Department of City Planning PLUTO data is Sl Systems LLC.
Does 312 Jefferson Street have violations?
Yes. NYC HPD has recorded 66 housing violations at this property.
Is 312 Jefferson Street rent stabilized?
NYC Department of Finance tax bills listed 7 rent-stabilized units here in 2024 (about 88% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 312 Jefferson Street built?
City records list 1931 as the year it was built.
How many apartments are in 312 Jefferson Street?
It has 8 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.