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840 Jefferson Avenue

Brooklyn, NY 11221BBL 3-01658-0042Map

Owner of record: Simpleton Resource Funds Xvii LLC

840 Jefferson Avenue is a walk-up apartment building built in 1910 in Brooklyn, 11221. It has 8 residential units across 4 floors. The owner of record is Simpleton Resource Funds Xvii LLC. HPD has recorded 76 housing violations here, most recently on July 1, 2016. 1 of the 50 most recent violations are still open. City tax records listed 2 rent-stabilized apartments here in 2024.

HPD violations
76
DOB violations
29
ECB violations
2
HPD complaints
285

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Jul 1, 2016

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
2
About 25% of the building's 8 apartments
Down from 3 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 · 76

  • B

    Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following a minimum of 100 watts of incandescent light required. (light fixture present)

    Jul 1, 2016

    Open — Nov sent out
  • A

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

    Oct 6, 2015

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 4a, 4th story, 2nd apartment from east at south

    May 7, 2014 · Apt 4A

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system locked boiler room at cellar

    May 7, 2014

    Closed — Violation closed
  • A

    Refit door to roof at bulkhead at public hall, 4th story

    Oct 12, 2013

    Closed — Violation closed
  • 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 .. at public hall, 1st story

    Oct 12, 2013

    Closed — Violation closed
  • B

    Replace with new the missing mechanical ventilation vent in the kitchen located at apt 3b, 3rd story, 1st apartment from east at south

    Oct 7, 2013 · Apt 3B

    Closed — Violation closed
  • I

    The premises has been selected to participate in the alternative enforcement program which may result in building-wide inspections, fees, and extensive repair work to correct violations and underlying conditions. charges for repair work done pursuant to this order, if not paid, will become liens on the property

    Jan 31, 2013

    Closed — Violation dismissed
  • C

    Properly repair the broken or defective locking device at entrance door to building

    Oct 19, 2012

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at the ceiling ceiling in the bathroom located at apt 2, 2nd story, 2nd apartment from east at south

    Sep 27, 2012 · Apt 2

    Closed — Violation closed
Show 40 more ↓
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the bathroom located at apt 2, 2nd story, 2nd apartment from east at south

    Sep 27, 2012 · Apt 2

    Closed — Violation closed
  • A

    Properly secure the loose wash basin cabinet in the bathroom located at apt 2, 2nd story, 2nd apartment from east at south

    Sep 27, 2012 · Apt 2

    Closed — Violation closed
  • C

    Replace with new the broken or defective glass, lower sash in the 1st room from north located at apt 2, 2nd story, 2nd apartment from east at south

    Sep 27, 2012 · Apt 2

    Closed — Violation closed
  • A

    Refit loose hinged door in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Aug 31, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Replace the broken or defective washbasin in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Aug 31, 2012 · Apt 1B

    Closed — Violation closed
  • A

    Refit loose hinged door in the 1st room from north located at apt 1b, 1st story, 1st apartment from east at south

    Aug 31, 2012 · Apt 1B

    Closed — Violation closed
  • A

    Refit loose hinged door in the 5th room from north located at apt 1b, 1st story, 1st apartment from east at south

    Aug 31, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Repair or replace the smoke detector inoperable located at apt 1b, 1st story, 1st apartment from east at south

    Aug 31, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). inoperable located at apt 1b, 1st story, 1st apartment from east at south

    Aug 31, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Properly repair the broken or defective mechanical vent at ceiling in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Aug 31, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Replace with new the broken or defective door glass on vestibule door at public hall, 1st story

    Aug 26, 2012

    Closed — Violation closed
  • B

    Properly repair the broken or defective mailbox at public hall, 1st story

    Aug 26, 2012

    Closed — Violation closed
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the front yard

    Aug 26, 2012

    Closed — Violation closed
  • B

    Cleanse and disinfect to the satisfaction of this department after removing the urine & trash at all stories at public hall

    Jul 13, 2012

    Closed — Violation closed
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 2b, 2nd story, 1st apartment from east at south

    Jul 11, 2012 · Apt 2B

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes air conditioner installed on window located at apt 2b, 2nd story, 1st apartment from east at south

    Jul 11, 2012 · Apt 2B

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling in the kitchen located at apt 2b, 2nd story, 1st apartment from east at south

    Jul 8, 2012 · Apt 2B

    Closed — Violation closed
  • C

    Remove all obstructions and repair all defects in bathtub in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Jul 8, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Replace with new the missing ceramic tiles north wall in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Jul 8, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the floor and stairs at public hall, 2nd story

    Jul 8, 2012

    Closed — Violation closed
  • C

    Remove all obstructions and repair all defects in wasteline at bathtub in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Jul 8, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Trace and repair the source and abate the nuisance consisting of mold ... at east wall and ceiling in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Jul 8, 2012 · Apt 1B

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling in the 3rd room from north located at apt 2b, 2nd story, 1st apartment from east at south

    Jul 8, 2012 · Apt 2B

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the 4th room from north, the bathroom , the 5th room from north, the kitchen , the private hallway located at apt 1b, 1st story, 1st apartment from east at south

    Jul 3, 2012 · Apt 1B

    Closed — Violation closed
  • C

    Remove all obstructions and repair all defects in waste line at bathtub in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Jul 3, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Repair or replace the smoke detector inoperative located at apt 1b, 1st story, 1st apartment from east at south

    Jul 3, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Abate the nuisance consisting of roaches located at apt 1b, 1st story, 1st apartment from east at south

    Jul 3, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). inoperative located at apt 1b, 1st story, 1st apartment from east at south

    Jul 3, 2012 · Apt 1B

    Closed — Violation closed
  • B

    Trace and repair the source and abate the nuisance consisting of mold ... approximately 20 sq.ft at east wall, north wall, ceiling in the bathroom located at apt 1b, 1st story, 1st apartment from east at south

    Jul 3, 2012 · Apt 1B

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the 6th room from north, the 5th room from north, the 4th room from north located at apt 3a, 3rd story, 2nd apartment from east at south

    May 27, 2012 · Apt 3A

    Closed — Violation closed
  • B

    M/d law abate the nuisance consisting of a/c unit blocking egress at fire escape window in the 5th room from north located at apt 3a, 3rd story, 2nd apartment from east at south

    May 27, 2012 · Apt 3A

    Closed — Violation closed
  • B

    Repair the flushing apparatus and maintain same so as to flush effectively the water closet , in the bathroom located at apt 3a, 3rd story, 2nd apartment from east at south

    May 27, 2012 · Apt 3A

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 3a, 3rd story, 2nd apartment from east at south

    May 27, 2012 · Apt 3A

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 3a, 3rd story, 2nd apartment from east at south

    May 27, 2012 · Apt 3A

    Closed — Violation closed
  • B

    Properly repair the broken or defective porcelain in bath tub in the bathroom located at apt 4a, 4th story, 2nd apartment from east at south

    May 15, 2012 · Apt 4A

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all walls in the bathroom located at apt 4a, 4th story, 2nd apartment from east at south

    May 15, 2012 · Apt 4A

    Closed — Violation closed
  • B

    Properly repair the broken or defective wash basin cabinet in the bathroom located at apt 4a, 4th story, 2nd apartment from east at south

    May 15, 2012 · Apt 4A

    Closed — Violation closed
  • B

    Properly repair the broken or defective entrance door in the bathroom located at apt 4a, 4th story, 2nd apartment from east at south

    May 15, 2012 · Apt 4A

    Closed — Violation closed
  • B

    Repair the flushing apparatus and maintain same so as to flush effectively the water closet .. in the bathroom located at apt 3a, 3rd story, 2nd apartment from east at south

    May 15, 2012 · Apt 3A

    Closed — Violation closed
  • A

    Cleanse to the satisfaction of this department the stairs and landings at all stories public hall

    May 15, 2012

    Closed — Violation closed

DOB building violations · 29

  • Low pressure boiler boiler required

    Violation issued-failure to file 2024 external low pressure inspection

    Nov 14, 2025

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2023 external low pressure inspection

    Sep 23, 2024

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2020 external low pressure inspection

    Jun 30, 2023

    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-failure to file 2019 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2022 external low pressure inspection

    Apr 25, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2017 inspection report

    Nov 8, 2019

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2016 inspection report

    Apr 6, 2018

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2015 inspection report

    Feb 24, 2017

    Dob violation - active
Show 19 more ↓
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2014 inspection report

    Oct 1, 2015

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2013 inspection report

    Mar 3, 2015

    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

    Violation issued for failure to file annual boiler 2010 inspection report

    Dec 13, 2011

    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
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 3, 2008

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 19, 2007

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 6, 2006

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 31, 2005

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 13, 2004

    Dob violation - active
  • 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 - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 16, 1999

    Dob violation - dismissed
  • 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

    Sep 16, 1997

    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 · 2

  • Non-hazardous

    Failure to maintain exterior building wall. noted: separation at northeast exterior brick wall,approx 1 inch to 2 inches, from above the 3rdstory window location to parapet, as a result, section of loose bricks

    Sep 13, 2004 · Penalty $800

    Resolve
  • Non-hazardous

    Failure to maintain exterior building wall. defect is chimney at roof north east section leaning out of plumb with loose missing and defective brick work. remedy: repair defective chimney.

    Oct 14, 1992 · Penalty $1,000

    Resolve

Complaints

  • Unsanitary condition

    Pests

    May 10, 2024 · Apt 4A

    Close
  • Paint/plaster

    Ceiling

    May 10, 2024 · Apt 4A

    Close
  • Unsanitary condition

    Pests

    Apr 24, 2024 · Apt 4A

    Close
  • Water leak

    Heavy flow

    Mar 18, 2022 · Apt 2B

    Close
  • Unsanitary condition

    Mold

    Mar 18, 2022 · Apt 2B

    Close
  • Heat/hot water

    Apartment only

    Jan 6, 2018 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Oct 3, 2015 · Apt 1A

    Close
  • Water leak

    Slow leak

    Sep 30, 2015 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    May 9, 2014 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    May 6, 2014 · Apt 3B

    Close
Show 40 more ↓
  • Heating

    Heat related

    Jan 23, 2014 · Apt 1A

    Close
  • Heating

    Heat related

    Nov 29, 2013 · Apt 1A

    Close
  • Nonconst

    Signage

    Oct 3, 2013 · Apt BLDG

    Close
  • General

    Ceramic-tile

    Oct 3, 2013 · Apt BLDG

    Close
  • General

    Doors

    Oct 3, 2013 · Apt BLDG

    Close
  • General

    Ventilation system

    Oct 3, 2013 · Apt 3B

    Close
  • General

    Doors

    Oct 3, 2013 · Apt 4B

    Close
  • Paint/plaster

    Wall

    Oct 3, 2013 · Apt 4B

    Close
  • Electric

    Wiring

    Oct 3, 2013 · Apt 4B

    Close
  • Electric

    Bell-buzzer/intercom

    Oct 3, 2013 · Apt 4B

    Close
  • Plumbing

    Toilet

    Oct 3, 2013 · Apt 4B

    Close
  • Heating

    Heat related

    May 25, 2013 · Apt 1A

    Close
  • Nonconst

    Rubbish

    Dec 6, 2012 · Apt 1A

    Close
  • Nonconst

    Rubbish

    Oct 17, 2012 · Apt 1A

    Close
  • Heating

    Heat related

    Oct 17, 2012 · Apt 1A

    Close
  • General

    Locks

    Oct 17, 2012 · Apt 1A

    Close
  • General

    Windows

    Sep 20, 2012 · Apt 2

    Close
  • Paint/plaster

    Wall

    Aug 29, 2012 · Apt 1B

    Close
  • Paint/plaster

    Wall

    Aug 29, 2012 · Apt 1B

    Close
  • General

    Doors

    Aug 29, 2012 · Apt 1B

    Close
  • Paint/plaster

    Ceiling

    Aug 29, 2012 · Apt 1B

    Close
  • Paint/plaster

    Ceiling

    Aug 29, 2012 · Apt 1B

    Close
  • Paint/plaster

    Wall

    Aug 29, 2012 · Apt 1B

    Close
  • General

    Doors

    Aug 29, 2012 · Apt 1B

    Close
  • General

    Mold

    Aug 29, 2012 · Apt 1B

    Close
  • Plumbing

    Basin/sink

    Aug 29, 2012 · Apt 1B

    Close
  • General

    Doors

    Aug 29, 2012 · Apt 1B

    Close
  • Paint/plaster

    Wall

    Aug 29, 2012 · Apt 1B

    Close
  • General

    Mailbox

    Aug 17, 2012 · Apt 2B

    Close
  • Nonconst

    Rubbish

    Aug 17, 2012 · Apt 2B

    Close
  • Nonconst

    Rubbish

    Aug 17, 2012 · Apt 2B

    Close
  • General

    Doors

    Aug 17, 2012 · Apt 2B

    Close
  • General

    Locks

    Aug 17, 2012 · Apt 2B

    Close
  • Paint/plaster

    Ceiling

    Jul 7, 2012 · Apt 2B

    Close
  • Plumbing

    Water-leaks

    Jul 7, 2012 · Apt 2B

    Close
  • General

    Locks

    Jul 2, 2012 · Apt 1A

    Close
  • Plumbing

    Sewer

    Jul 2, 2012 · Apt 1A

    Close
  • Nonconst

    Rubbish

    Jul 2, 2012 · Apt 1A

    Close
  • Nonconst

    Janitor/super

    Jul 2, 2012 · Apt 1B

    Close
  • General

    Mold

    Jul 2, 2012 · 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 (C1)
Year built
1910
Floors
4
Residential units
8
Building area
9,038 ft²
Lot area
3,086 ft²
Zoning
R6B
Community board
303
Council district
41
Block / lot
1658 / 42
Assessed value
$712,800
Landmark / historic district
No

HPD registration #302317, last renewed Aug 20, 2025.

Questions about 840 Jefferson Avenue

Who owns 840 Jefferson Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Simpleton Resource Funds Xvii LLC.

Does 840 Jefferson Avenue have violations?

Yes. NYC HPD has recorded 76 housing violations at this property.

Is 840 Jefferson Avenue rent stabilized?

NYC Department of Finance tax bills listed 2 rent-stabilized units here in 2024 (about 25% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 840 Jefferson Avenue built?

City records list 1910 as the year it was built.

How many apartments are in 840 Jefferson Avenue?

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.