835 Clarkson Avenue
Brooklyn, NY 11203BBL 3-04620-0035Map
Owner of record: The Clarkson Winthrop Group LLC
835 Clarkson Avenue is a walk-up apartment building built in 1936 in Brooklyn, 11203. It has 25 residential units across 4 floors. The owner of record is The Clarkson Winthrop Group LLC. HPD has recorded 544 housing violations here, most recently on February 1, 2026. 5 of the 50 most recent violations are still open. City tax records listed 25 rent-stabilized apartments here in 2024.
- HPD violations
- 544
- DOB violations
- 4
- ECB violations
- 7
- HPD complaints
- 357
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 · 544
- BHazardous
Trace and repair the source and abate the visible mold condition... greater than 10 sq ft at west wall in the 1st room from north at west located at apt 4g, 4th story, 1st apartment from west at north
Feb 1, 2026 · Apt 4G
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 4g, 4th story, 1st apartment from west at north
Feb 1, 2026 · Apt 4G
Closed — Violation dismissed - CImmediately hazardous
Trace and repair the source and abate the visible mold condition... greater than 10 sq ft at west wall in the 1st room from north at west located at apt 4g, 4th story, 1st apartment from west at north original violation 18613377 issued 01-feb-26 has been upgraded to class c per administrative code 27-2017.3a(5)(a) or (b).
Feb 1, 2026 · Apt 4G
Open — Invalid certification - BHazardous
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 4g, 4th story, 1st apartment from west at north
Feb 1, 2026 · Apt 4G
Closed — Violation dismissed - BHazardous
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 4g, 4th story, 1st apartment from west at north
Feb 1, 2026 · Apt 4G
Closed — Violation dismissed - BHazardous
Remove all encumbrances consisting of furniture and electrical bicycles at public hall, 2nd story
Oct 27, 2025
Closed — Violation dismissed - BHazardous
And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes house plants at east balcany at 1st fire escape from north at west, 2nd story
Oct 27, 2025
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective regrout around bathtub in the bathroom located at apt 4g, 4th story, 1st apartment from west at north
Sep 10, 2025 · Apt 4G
Closed — Violation dismissed - BHazardous
Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules inoperable in the entire apartment located at apt 4g, 4th story, 1st apartment from west at north
Sep 10, 2025 · Apt 4G
Closed — Violation dismissed - BHazardous
Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations inoperable in the entire apartment located at apt 4g, 4th story, 1st apartment from west at north
Sep 10, 2025 · Apt 4G
Closed — Violation dismissed
Show 40 more ↓
- CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 4g, 4th story, 1st apartment from west at north
Sep 10, 2025 · Apt 4G
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 4g, 4th story, 1st apartment from west at north
Sep 10, 2025 · Apt 4G
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at door in the entrance located at apt 4g, 4th story, 1st apartment from west at north
Sep 10, 2025 · Apt 4G
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the ceiling in the 1st room from north at east located at apt 4g, 4th story, 1st apartment from west at north
Sep 10, 2025 · Apt 4G
Closed — Violation dismissed - CImmediately hazardous
M/d law abate the nuisance consisting of free standing radiator at public hall, 4th story
Aug 16, 2025
Closed — Violation dismissed - CImmediately hazardous
Provide ready access to buildings heating system locked door at celler at boiler room
Aug 15, 2025
Closed — Violation dismissed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 3b, 3rd story, 1st apartment from north at east
Aug 15, 2025 · Apt 3B
Closed — Violation closed - ANon-hazardous
Trace and repair the source and abate the visible mold condition... less than 10 sq ft at ceiling in the kitchen located at apt 1c, 1st story, 2nd apartment from north at east
Aug 5, 2025 · Apt 1C
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at vestibule door at public hall, 1st story
Aug 5, 2025
Closed — Violation closed - BHazardous
Properly repair the source and abate the evidence of a water leak at the ceiling in the kitchen located at apt 1c, 1st story, 2nd apartment from north at east
Aug 5, 2025 · Apt 1C
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the kitchen located at apt 1c, 1st story, 2nd apartment from north at east
Aug 5, 2025 · Apt 1C
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the north wall and ceiling in the bathroom located at apt 1c, 1st story, 2nd apartment from north at east
Aug 5, 2025 · Apt 1C
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at the ceiling in the bathroom located at apt 1c, 1st story, 2nd apartment from north at east
Aug 5, 2025 · Apt 1C
Closed — Violation dismissed - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the yard at east
Jul 2, 2025
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective fire retardant material at south wall at public hall, 1st story
Jul 2, 2025
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the kitchen located at apt 1c, 1st story, 2nd apartment from north at east
Jul 2, 2025 · Apt 1C
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling in the kitchen located at apt 1c, 1st story, 2nd apartment from north at east
Jul 2, 2025 · Apt 1C
Closed — Violation dismissed - CImmediately hazardous
M/d law abate the nuisance consisting of uncapped heat pipe in the 2nd room from east located at apt 1c, 1st story, 2nd apartment from north at east
Jul 2, 2025 · Apt 1C
Closed — Violation closed - BHazardous
Properly repair or replace the broken or defective glass pane at entrance door to building at public hall, 1st story
Jul 2, 2025
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department at south wall at public hall, 1st story
Jul 2, 2025
Closed — Violation dismissed - CImmediately hazardous
M/d law abate the nuisance consisting of free standng radiator at south wall in the 2nd room from east located at apt 1c, 1st story, 2nd apartment from north at east
Jul 2, 2025 · Apt 1C
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling and north wall in the 1st room from north at center located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department at ceiling in the kitchen located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department at east and west wall in the kitchen located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Open — Nov sent out - ANon-hazardous
Properly repair with similar material the broken or defective wood floor in the kitchen located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Open — Nov sent out - ANon-hazardous
Properly repair with similar material the broken or defective wood floor in the private hallway located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Open — Nov sent out - ANon-hazardous
Trace and repair the source and abate the visible mold condition... less than 10 sq ft at north 1 window frame jamb in the 1st room from north at center located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Closed — Violation dismissed - BHazardous
Trace and repair the source and abate the visible mold condition... more than 10 sq ft at the ceiling in the bathroom located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Closed — Violation dismissed - CImmediately hazardous
Properly repair or replace the broken or defective window glass pane at lower sash, first window from north at east in the 1st room from north at east located at apt 4g, 4th story, 1st apartment from west at north
May 31, 2025 · Apt 4G
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective wood window frame at south wall in the 2nd room from east at south located at apt 1c, 1st story, 2nd apartment from north at east
Feb 15, 2025 · Apt 1C
Closed — Violation dismissed - CImmediately hazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at south wall in the 2nd room from east at south located at apt 1c, 1st story, 2nd apartment from north at east
Feb 15, 2025 · Apt 1C
Closed — Violation dismissed - BHazardous
Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at 1st fire escape from south at east
Feb 10, 2025
Closed — Violation dismissed - BHazardous
Properly repair or replace the broken or defective broken glass pane at building entrance door , 1st story
Feb 10, 2025
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective at front entrance to building hinge , 1st story
Jan 18, 2025
Closed — Violation closed - BHazardous
Repair the leaky and/or defective faucets at sink in the kitchen located at apt 4c, 4th story, 2nd apartment from north at east
Jan 9, 2025 · Apt 4C
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 4c, 4th story, 2nd apartment from north at east
Jan 9, 2025 · Apt 4C
Closed — Violation dismissed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 4c, 4th story, 2nd apartment from north at east
Jan 9, 2025 · Apt 4C
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 4c, 4th story, 2nd apartment from north at east
Jan 9, 2025 · Apt 4C
Closed — Violation dismissed - BHazardous
Remove all obstructions and repair all defects in at wasteline at sink in the kitchen located at apt 4c, 4th story, 2nd apartment from north at east
Jan 9, 2025 · Apt 4C
Closed — Violation dismissed - BHazardous
Properly repair or replace the broken or defective intercom system from building front to east wall in the foyer located at apt 4c, 4th story, 2nd apartment from north at east
Jan 9, 2025 · Apt 4C
Closed — Violation dismissed
DOB building violations · 4
- Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Feb 2, 2023
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 19, 2007
Dob violation - dismissed - 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
Aug 16, 1993
Dob violation - active
ECB violations · 7
- Class - 1
Outdoor advertising company sign does not bear decal bearing the ul classification mark or date of sign's erection. (affordable funerals) rmdy: remove illegal sign.
Feb 11, 2017
Resolve - Class - 1
Outdoor advertising company sign does not bear decal bearing ul classification mark or date of sign's erection. (affordable funerals) rmd: remove illegal sign
Feb 11, 2017
Resolve - Class - 1
Outdoor advertising company sign on display w/o a permit. (affordable funerals). rmdy: remove illegal sign
Feb 11, 2017
Resolve - Class - 1
Property owner acting as outdoor advertising company failure to obtainoac registration number while engaging in the outdoor advertising business. (affordable funerals) rmdy: remove illegal sign/register
Feb 11, 2017
Resolve - Class - 1
Outdoor advertising company failure to have licensed sign hanger attach or erect sign) (affordable funerals). rmdy: remove illegal sign
Feb 11, 2017
Resolve - Class - 1
Outdoor advertising company sign on display w/o a permit. (affordable funerals). rmdy: remove illegal sign
Feb 11, 2017
Resolve - Class - 1
Outdoor advertising company failure to have licensed sign hanger attach or erect sign) (affordable funerals). rmdy: remove illegal sig
Feb 11, 2017
Resolve
Complaints
- Paint/plaster
Ceiling
Jan 31, 2026 · Apt 4G
Close - Paint/plaster
Wall
Jan 31, 2026 · Apt 4G
Close - Unsanitary condition
Mold
Jan 31, 2026 · Apt 4G
Close - Water leak
Heavy flow
Jan 31, 2026 · Apt 4G
Close - Plumbing
Radiator
Jan 21, 2026 · Apt 1C
Close - Paint/plaster
Ceiling
Jan 21, 2026 · Apt 1C
Close - Paint/plaster
Ceiling
Jan 21, 2026 · Apt 1C
Close - Heat/hot water
Apartment only
Jan 19, 2026 · Apt 1D
Close - Heat/hot water
Entire building
Nov 10, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 1, 2025 · Apt BLDG
Close
Show 40 more ↓
- Heat/hot water
Apartment only
Oct 27, 2025 · Apt APT1D
Close - Heat/hot water
Entire building
Oct 25, 2025 · Apt 3B
Close - Paint/plaster
Wall
Sep 8, 2025 · Apt 4G
Close - General
Ventilation system
Sep 8, 2025 · Apt 4G
Close - Unsanitary condition
Pests
Sep 8, 2025 · Apt 4G
Close - Unsanitary condition
Mold
Sep 8, 2025 · Apt 4G
Close - Unsanitary condition
Pests
Sep 8, 2025 · Apt 4G
Close - Heat/hot water
Entire building
Aug 15, 2025 · Apt 3B
Close - Heat/hot water
Entire building
Aug 15, 2025 · Apt BLDG
Close - Water leak
Slow leak
Jul 31, 2025 · Apt 1C
Close - Paint/plaster
Wall
Jul 31, 2025 · Apt 1C
Close - Heat/hot water
Entire building
Jul 28, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Jul 27, 2025 · Apt 3A
Close - Water leak
Slow leak
Jul 17, 2025 · Apt 1C
Close - Plumbing
Radiator
Jun 30, 2025 · Apt 1C
Close - Paint/plaster
Wall
May 25, 2025 · Apt 4G
Close - Unsanitary condition
Mold
May 25, 2025 · Apt 4G
Close - Door/window
Window frame
May 25, 2025 · Apt 4G
Close - Flooring/stairs
Floor
May 25, 2025 · Apt 4G
Close - Heat/hot water
Entire building
Feb 27, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 25, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 23, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 14, 2025 · Apt BLDG
Close - Paint/plaster
Wall
Feb 6, 2025 · Apt 1C
Close - Door/window
Window frame
Feb 6, 2025 · Apt 1C
Close - Heat/hot water
Entire building
Jan 16, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 7, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Dec 26, 2024 · Apt BLDG
Close - Flooring/stairs
Floor
Oct 28, 2024 · Apt 4E
Close - Flooring/stairs
Floor
Oct 28, 2024 · Apt 4E
Close - Flooring/stairs
Floor
Oct 28, 2024 · Apt 4E
Close - Unsanitary condition
Mold
Oct 28, 2024 · Apt 4E
Close - Water leak
Slow leak
Oct 10, 2024 · Apt 3E
Close - Door/window
Window frame
Oct 10, 2024 · Apt 3E
Close - Plumbing
Basin/sink
Oct 10, 2024 · Apt 3E
Close - Unsanitary condition
Mold
Oct 10, 2024 · Apt 3E
Close - Plumbing
Basin/sink
Oct 10, 2024 · Apt 3E
Close - Appliance
Electric/gas range
Sep 16, 2024 · Apt 3E
Close - Paint/plaster
Ceiling
Sep 16, 2024 · Apt 3E
Close - Plumbing
Steam pipe/riser
Sep 16, 2024 · Apt 3E
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C7)
- Year built
- 1936
- Floors
- 4
- Residential units
- 25
- Building area
- 26,536 ft²
- Lot area
- 8,000 ft²
- Zoning
- C8-2
- Community board
- 317
- Council district
- 41
- Block / lot
- 4620 / 35
- Assessed value
- $868,950
- Landmark / historic district
- No
HPD registration #333822, last renewed Aug 7, 2025.
Questions about 835 Clarkson Avenue
Who owns 835 Clarkson Avenue?
The owner of record in NYC Department of City Planning PLUTO data is The Clarkson Winthrop Group LLC.
Does 835 Clarkson Avenue have violations?
Yes. NYC HPD has recorded 544 housing violations at this property.
Is 835 Clarkson Avenue rent stabilized?
NYC Department of Finance tax bills listed 25 rent-stabilized units here in 2024 (about 100% of its 25 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 835 Clarkson Avenue built?
City records list 1936 as the year it was built.
How many apartments are in 835 Clarkson Avenue?
It has 25 residential units and 27 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.