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840 Hart Street

Brooklyn, NY 11237BBL 3-03236-0015Map

Owner of record: 275 Linden Realty Corp.

840 Hart Street is a walk-up apartment building built in 1931 in Brooklyn, 11237. It has 6 residential units across 3 floors. The owner of record is 275 Linden Realty Corp.. HPD has recorded 152 housing violations here, most recently on October 2, 2026. 19 of the 50 most recent violations are still open. City tax records listed 1 rent-stabilized apartment here in 2024.

HPD violations
152
DOB violations
14
ECB violations
3
HPD complaints
338

What to know

Concern
14 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Oct 2, 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

Rent-stabilized units in 2024
1
About 17% of the building's 6 apartments

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 · 152

  • I

    Apts have been vacated by this department and cannot be reoccupied until so ordered after proof of compliance for apts 1r vacate order #261204 in the entire apartment located at apt, 1st story, 1st apartment from east at south

    Oct 2, 2026

    Open — Info nov sent out
  • I

    Apts have been vacated by this department and cannot be reoccupied until so ordered after proof of compliance for apts 2r vacate order #261204 in the entire apartment located at apt, 2nd story, 1st apartment from north at east

    Oct 2, 2026

    Open — Info nov sent out
  • I

    Apts have been vacated by this department and cannot be reoccupied until so ordered after proof of compliance for apts 3r vacate order #261204 in the entire apartment located at apt, 3rd story, 1st apartment from north at east

    Oct 2, 2026

    Open — Info nov sent out
  • C

    Provide a safe and adequate supply of electric service to the fixtures at ceiling , wall outlets and light switches. in the entire apartment located at apt 2r, 2nd story, 1st apartment from north at east

    Sep 30, 2026 · Apt 2R

    Open — Nov sent out
  • C

    M/d law abate the nuisance consisting of fire damage at ceiling and walls. in the entire apartment located at apt 2r, 2nd story, 1st apartment from north at east

    Sep 30, 2026 · Apt 2R

    Open — Nov sent out
  • C

    M/d law abate the nuisance consisting of fire damage at ceiling and walls. in the entire apartment located at apt 1r, 1st story, 1st apartment from east at south

    Sep 30, 2026 · Apt 1R

    Open — Nov sent out
  • C

    Provide an adequate supply of gas to the fixtures at gas range in the kitchen located at apt 2r, 2nd story, 1st apartment from north at east

    Sep 30, 2026 · Apt 2R

    Open — Nov sent out
  • C

    Provide an adequate supply of gas to the fixtures at gas range in the kitchen located at apt 1r, 1st story, 1st apartment from east at south

    Sep 30, 2026 · Apt 1R

    Open — Nov sent out
  • C

    Provide an adequate supply of gas to the fixtures at range in the kitchen located at apt 3r, 3rd story, 1st apartment from south at west

    Sep 29, 2026 · Apt 3R

    Open — Nov sent out
  • C

    Provide a safe and adequate supply of electric service to the fixtures at ceiling, wall outlets and light switches in the entire apartment located at apt 3r, 3rd story, 1st apartment from south at west

    Sep 29, 2026 · Apt 3R

    Open — Nov sent out
Show 40 more ↓
  • C

    Provide temporary seal up of all accessible opening, window broken due to recent fire in the kitchen located at apt 3r, 3rd story, 1st apartment from south at west

    Sep 29, 2026 · Apt 3R

    Open — Nov sent out
  • C

    Provide temporary seal up of all accessible opening, window broken due to recent fire in the 4th room from east located at apt 3r, 3rd story, 1st apartment from south at west

    Sep 29, 2026 · Apt 3R

    Open — Nov sent out
  • C

    Provide temporary seal up at all accessable opening, window broken due to recent fire in the 1st room from east located at apt 3r, 3rd story, 1st apartment from south at west

    Sep 29, 2026 · Apt 3R

    Open — Nov sent out
  • C

    M/d law abate the nuisance consisting of fire damage, windows broken and non-plywood sealed, open to the elements in the entire apartment located at apt 3r, 3rd story, 1st apartment from south at west

    Sep 29, 2026 · Apt 3R

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at bulkhead door at roof

    Sep 29, 2026

    Open — Nov sent out
  • C

    Remove the illegal fastening consisting of key operated lock installed at bulkhead door at roof

    Sep 29, 2026

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling in bulkhead at public hall stairs, 3rd story

    Sep 29, 2026

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective fire retardant material at ceiling in bulkhead at public hall stairs, 3rd story

    Sep 29, 2026

    Open — Nov sent out
  • C

    Properly repair with similar material the broken or defective wood decking and asphalt material at roof.

    Sep 29, 2026

    Open — Nov sent out
  • B

    Remove all encumbrances consisting of household items at public hall, 3rd story

    Sep 10, 2025

    Closed — Violation dismissed
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules defective in the entire apartment located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 16, 2025 · Apt 3L

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling, north,east and south wall in the bathroom located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 16, 2025 · Apt 3L

    Closed — Violation dismissed
  • B

    Remove all encumbrances consisting of household items at public hall, 2nd story

    Aug 16, 2025

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling at public hall, 2nd story

    Aug 16, 2025

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective fire retarded plaster at ceiling at public hall, 2nd story

    Aug 16, 2025

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 16, 2025 · Apt 3L

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 16, 2025 · Apt 3L

    Closed — Violation dismissed
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations defective in the entire apartment located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 16, 2025 · Apt 3L

    Closed — Violation dismissed
  • A

    Trace and repair the source and abate the visible mold condition... less than 10sq ft at ceiling, north, east and south wall in the bathroom located at apt 3l, 3rd story, 1st apartment from west at north

    Aug 16, 2025 · Apt 3L

    Closed — Violation dismissed
  • 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 1l, 1st story, 1st apartment from west at north

    Aug 13, 2025 · Apt 1L

    Closed — Violation dismissed
  • 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 1l, 1st story, 1st apartment from west at north

    Aug 13, 2025 · Apt 1L

    Closed — Violation dismissed
  • B

    Remove all encumbrances consisting of household items at public hall, 3rd story

    Aug 13, 2025

    Closed — Violation dismissed
  • C

    Remove the illegal fastening slide bolt at bulkhead door capable of being padlock at public hall, 3rd story

    Aug 13, 2025

    Closed — Violation dismissed
  • A

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

    Aug 13, 2025 · Apt 1L

    Closed — Violation dismissed
  • A

    Trace and repair the source and abate the visible mold condition... less than 10sq ft at ceiling in the bathroom located at apt 1l, 1st story, 1st apartment from west at north

    Aug 13, 2025 · Apt 1L

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective mechanical ventilation system at ceiling in the bathroom located at apt 1l, 1st story, 1st apartment from west at north

    Aug 13, 2025 · Apt 1L

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department the south wall at public hall, 3rd story

    Aug 13, 2025

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective fire retardant plaster at south wall at public hall, 3rd story

    Aug 13, 2025

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department the ceiling at public hall, 3rd story

    Aug 13, 2025

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective fire retardant plaster at ceiling at public hall, 3rd story

    Aug 13, 2025

    Closed — Violation dismissed
  • B

    Provide sufficient, proper and separate metal receptacles for the deposit of garbage, rubbish and other waste material and arrange for collection and disposal of such material.

    Sep 23, 2024

    Closed — Violation dismissed
  • B

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

    Sep 23, 2024

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective inoperative bell and buzzer intercom system from building front to receiving panel at east wall in the foyer located at apt 1r, 1st story, 1st apartment from south at west

    Sep 23, 2024 · Apt 1R

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 1r, 1st story, 1st apartment from south at west

    Sep 23, 2024 · Apt 1R

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 1r, 1st story, 1st apartment from south at west

    Sep 23, 2024 · Apt 1R

    Closed — Violation dismissed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 1r, 1st story, 1st apartment from south at west

    Sep 23, 2024 · Apt 1R

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 3r, 3rd story, 1st apartment from east at south

    Oct 27, 2022 · Apt 3R

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 3r, 3rd story, 1st apartment from east at south

    Oct 27, 2022 · Apt 3R

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 3r, 3rd story, 1st apartment from east at south

    Oct 27, 2022 · Apt 3R

    Closed — Violation dismissed
  • C

    Provide an adequate supply of gas to the fixtures at range in the kitchen located at apt 3r, 3rd story, 1st apartment from east at south

    Oct 27, 2022 · Apt 3R

    Closed — Violation dismissed

DOB building violations · 14

  • Construction other optional

    Comply with stop work order

    Feb 9, 2010

    Dob violation - active
  • Construction other optional

    Comply with the stop work order,stop all work

    Feb 5, 2010

    Dob violation - active
  • Construction other optional

    Stop all work forthwith except that is required to make site safe

    Aug 15, 2008

    Vw-violation work without permit - active
  • 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

    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

    Feb 10, 1997

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - dismissed
Show 4 more ↓
  • 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
  • Boiler boiler optional

    B-boiler boiler optional

    Dec 26, 1991

    Vp*-violation unserved ecb- dismissed

ECB violations · 3

  • Class - 2

    Work w/o permit. work noted: at 1st fl public hallway full height partition walls. remedy: stop all work & obtain permit.

    Dec 12, 2013 · Penalty $4,000

    Active
  • Non-hazardous

    Boilers

    Dec 26, 1991 · Penalty $250

    Resolve
  • Hazardous

    Fire chamber door improper closing.

    Oct 19, 1988 · Penalty $35

    Resolve

Complaints

  • Paint/plaster

    Ceiling

    Sep 28, 2026 · Apt 3R

    Close
  • Unsanitary condition

    Mold

    Jun 15, 2026 · Apt 3L

    Close
  • Plumbing

    Bathtub/shower

    Jun 15, 2026 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Nov 5, 2025 · Apt 1R

    Close
  • Unsanitary condition

    Mold

    Aug 1, 2025 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Aug 1, 2025 · Apt 3L

    Close
  • Safety

    Fire escape

    Aug 1, 2025 · Apt BLDG

    Close
  • Paint/plaster

    Ceiling

    Aug 1, 2025 · Apt BLDG

    Close
  • Paint/plaster

    Wall

    Aug 1, 2025 · Apt BLDG

    Close
  • Unsanitary condition

    Pests

    Aug 1, 2025 · Apt 1L

    Close
Show 40 more ↓
  • Safety

    Fire escape

    Aug 1, 2025 · Apt 1L

    Close
  • Unsanitary condition

    Pests

    Aug 1, 2025 · Apt 2L

    Close
  • Safety

    Carbon monoxide detector

    Aug 1, 2025 · Apt 3L

    Close
  • Safety

    Smoke detector

    Aug 1, 2025 · Apt 3L

    Close
  • Door/window

    Door

    Aug 1, 2025 · Apt 3L

    Close
  • Door/window

    Door

    Mar 5, 2025 · Apt 2L

    Close
  • Unsanitary condition

    Mold

    Mar 5, 2025 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Sep 14, 2024 · Apt 1R

    Close
  • Door/window

    Door

    Aug 23, 2024 · Apt BLDG

    Close
  • Unsanitary condition

    Pests

    Jul 5, 2024 · Apt 1R

    Close
  • Plumbing

    Toilet

    May 23, 2024 · Apt 1R

    Close
  • Heat/hot water

    Apartment only

    Dec 24, 2022 · Apt 2L

    Close
  • Heat/hot water

    Entire building

    Oct 26, 2022 · Apt BLDG

    Close
  • General

    Cooking gas

    Oct 26, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 25, 2022 · Apt BLDG

    Close
  • General

    Cooking gas

    Oct 22, 2022 · Apt 3R

    Close
  • Heat/hot water

    Entire building

    Oct 22, 2022 · Apt 3R

    Close
  • Heat/hot water

    Apartment only

    Nov 5, 2021 · Apt 2R

    Close
  • Door/window

    Door

    Apr 30, 2020 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Apr 30, 2020 · Apt 3L

    Close
  • General

    Bell/buzzer/intercom

    Apr 30, 2020 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Apr 30, 2020 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Apr 30, 2020 · Apt 3L

    Close
  • Electric

    Lighting

    Apr 30, 2020 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Apr 30, 2020 · Apt 3L

    Close
  • Paint/plaster

    Wall

    Sep 11, 2019 · Apt 3R

    Close
  • General

    Bell/buzzer/intercom

    Sep 11, 2019 · Apt 3R

    Close
  • Electric

    Outlet/switch

    Sep 11, 2019 · Apt 3R

    Close
  • Unsanitary condition

    Mold

    Sep 11, 2019 · Apt 3R

    Close
  • Flooring/stairs

    Floor

    Sep 11, 2019 · Apt 3R

    Close
  • Heat/hot water

    Apartment only

    Sep 11, 2019 · Apt 3R

    Close
  • Heat/hot water

    Apartment only

    Feb 1, 2019 · Apt 1L

    Close
  • Paint/plaster

    Wall

    Dec 18, 2018 · Apt 3R

    Close
  • Flooring/stairs

    Floor

    Dec 18, 2018 · Apt 3R

    Close
  • Unsanitary condition

    Mold

    Dec 18, 2018 · Apt 3R

    Close
  • Heat/hot water

    Apartment only

    Dec 18, 2018 · Apt 3R

    Close
  • Heat/hot water

    Apartment only

    Oct 16, 2018 · Apt 3L

    Close
  • Plumbing

    Basin/sink

    Jan 23, 2018 · Apt 1R

    Close
  • Heat/hot water

    Apartment only

    Jan 13, 2018 · Apt 1R

    Close
  • Heat/hot water

    Apartment only

    Jan 6, 2018 · Apt 1R

    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 (C2)
Year built
1931
Floors
3
Residential units
6
Building area
5,250 ft²
Lot area
2,500 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3236 / 15
Assessed value
$649,800
Landmark / historic district
No

HPD registration #301831, last renewed Jul 11, 2025.

Questions about 840 Hart Street

Who owns 840 Hart Street?

The owner of record in NYC Department of City Planning PLUTO data is 275 Linden Realty Corp..

Does 840 Hart Street have violations?

Yes. NYC HPD has recorded 152 housing violations at this property.

Is 840 Hart Street rent stabilized?

NYC Department of Finance tax bills listed 1 rent-stabilized units here in 2024 (about 17% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 840 Hart Street built?

City records list 1931 as the year it was built.

How many apartments are in 840 Hart Street?

It has 6 residential units.

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