363 Sumpter Street
Brooklyn, NY 11233BBL 3-01522-0064Map
Owner of record: Klanstuy Realty LLC, 25%
363 Sumpter Street is a walk-up apartment building built in 1908 in Brooklyn, 11233. It has 6 residential units across 3 floors. The owner of record is Klanstuy Realty LLC, 25%. HPD has recorded 45 housing violations here, most recently on May 25, 2025. 5 of the 45 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 45
- DOB violations
- 1
- ECB violations
- 1
- HPD complaints
- 40
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 · 45
- BHazardous
Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at north yard at fire escape
May 25, 2025
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 3a, 3rd story, 1st apartment from west at north
Apr 10, 2025 · Apt 3A
Closed — Violation dismissed - BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 3a, 3rd story, 1st apartment from west at north
Apr 10, 2025 · Apt 3A
Closed — Violation dismissed - CImmediately hazardous
Provide hot water at all hot water fixtures in the 1st room from north located at apt 3a, 3rd story, 1st apartment from west at north
Mar 6, 2025 · Apt 3A
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door locked at boiler room, 1st story
Mar 6, 2025
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 3a, 3rd story, 1st apartment from west at north
Mar 6, 2025 · Apt 3A
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective wood floor in the foyer located at apt 1b, 1st story, 1st apartment from west at north
May 21, 2024 · Apt 1B
Open — Nov sent out - BHazardous
Properly repair or replace the broken or defective door knob in the entrance located at apt 1b, 1st story, 1st apartment from west at north
May 21, 2024 · Apt 1B
Open — Nov sent out - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 1b, 1st story, 1st apartment from west at north
May 21, 2024 · Apt 1B
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 1b, 1st story, 1st apartment from west at north
Mar 24, 2023 · Apt 1B
Closed — Violation dismissed
Show 35 more ↓
- CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective entrance door at public hall, 1st story
Oct 27, 2022
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 1b, 1st story, 1st apartment from west at north
Oct 27, 2022 · Apt 1B
Open — Violation will be reinspected - BHazardous
Properly repair with similar material the broken or defective wood base cabinet at sink in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Oct 27, 2022 · Apt 1B
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department at ceiling and walls in the bathroom located at apt 1b, 1st story, 1st apartment from west at north
Oct 27, 2022 · Apt 1B
Closed — Violation closed - BHazardous
Properly repair the broken or defective sink at north wall in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Jul 2, 2021 · Apt 1B
Closed — Violation dismissed - BHazardous
Trace and repair the source and abate the visible mold condition... under sink approx 20 sq ft in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Jul 2, 2021 · Apt 1B
Open — Defect letter issued - BHazardous
Repair or replace the smoke detector defective located at apt 1b, 1st story, 1st apartment from west at north
May 21, 2021 · Apt 1B
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective located at apt 1b, 1st story, 1st apartment from west at north
May 21, 2021 · Apt 1B
Closed — Violation closed - BHazardous
Repair the broken or defective connection waste line under sink in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
May 21, 2021 · Apt 1B
Closed — Violation closed - BHazardous
Trace and repair the source and abate the visible mold condition... west interior wood division at sink (approx. 1 sq. ft.) in the kitchen located at apt 1b, 1st story, 1st apartment from west at north original violation 14316333 issued 29-apr-21 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).
Apr 29, 2021 · Apt 1B
Open — Defect letter issued - BHazardous
Repair the leaky and/or defective faucets at sink in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Apr 29, 2021 · Apt 1B
Closed — Violation dismissed - ANon-hazardous
Trace and repair the source and abate the visible mold condition... west interior wood division at sink (approx. 1 sq. ft.) in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Apr 29, 2021 · Apt 1B
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective disloged, cracked, and loose mortar veneer , at south wall, adjacent to building entrance, front court, 1st story
Apr 22, 2021
Closed — Violation closed - CImmediately hazardous
Repair the leaky and/or defective faucets at sink in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Apr 22, 2021 · Apt 1B
Closed — Violation closed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 1b, 1st story, 1st apartment from west at north
Apr 22, 2021 · Apt 1B
Closed — Violation dismissed - CImmediately hazardous
Arrange and make self-closing the doors at buiding entrance , 1st story
Apr 22, 2021
Closed — Violation dismissed - BHazardous
Provide glass panel at front entrance door to building , 1st story
Apr 15, 2021
Closed — Violation dismissed - BHazardous
M/d law abate the nuisance consisting of plexi-glass panel installed at front entrance door to bulding , 1st story
Apr 15, 2021
Closed — Violation dismissed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 1b, 1st story, apartment at north
Apr 15, 2021 · Apt 1B
Closed — Violation closed - BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 1b, 1st story, apartment at north
Apr 15, 2021 · Apt 1B
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ..the ceiling in the bathroom located at apt 1b, 1st story, apartment at north
Apr 15, 2021 · Apt 1B
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak ..at ceiling in the bathroom located at apt 1b, 1st story, apartment at north
Apr 15, 2021 · Apt 1B
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ..the ceiling in the private hallway located at apt 1b, 1st story, apartment at north
Apr 15, 2021 · Apt 1B
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling in the private hallway located at apt 1b, 1st story, apartment at north
Apr 15, 2021 · Apt 1B
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective (rotted) base cabinet at north wall in the kitchen located at apt 1b, 1st story, apartment at north
Apr 15, 2021 · Apt 1B
Closed — Violation dismissed - BHazardous
Replace with new the broken or defective wooden cabinet base at the north wall in the kitchen located at apt 1b, 1st story, apartment at north
Apr 12, 2021 · Apt 1B
Closed — Violation closed - CImmediately hazardous
Repair the broken or defective connection wastline leaking at sink in the kitchen located at apt 1b, 1st story, apartment at north
Apr 12, 2021 · Apt 1B
Closed — Violation closed - ANon-hazardous
Cleanse to the satisfaction of this department the floor at public hall, 1st story
Mar 29, 2021
Closed — Violation closed - BHazardous
Remove all obstructions and repair all defects in wasteline at sink in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Mar 29, 2021 · 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
Jul 3, 2017
Closed — Violation closed - CImmediately hazardous
Properly repair with similar material the broken or defective stucco at east wall at building front court yard approx. 30 sq. ft. , 3rd story
Jan 16, 2016
Closed — Violation closed - BHazardous
Trace and repair the source and abate the nuisance consisting of mold ... at wood base cabinet approx. 4 sq. ft. in the kitchen located at apt 1b, 1st story, 1st apartment from west at north
Jan 16, 2016 · Apt 1B
Closed — Violation closed - BHazardous
Repair or replace the smoke detector defective located at apt 1b, 1st story, 1st apartment from west at north
Jan 16, 2016 · Apt 1B
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective located at apt 1b, 1st story, 1st apartment from west at north
Jan 16, 2016 · Apt 1B
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of scalding hot water in the kitchen located at apt 2a, 2nd story, apartment at south
Feb 16, 2007 · Apt 2A
Closed — Violation closed
DOB building violations · 1
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed
ECB violations · 1
- Non-hazardous
Illegal use in a residential district (r6m zone) note: at rear north side of property. 1 white & burgundy chevy mini van being stored w/no license plate. this constitutes dead storage of vehicles or use group
May 2, 2007 · Penalty $240
Resolve
Complaints
- Heat/hot water
Entire building
Feb 9, 2026 · Apt 2A
Close - Heat/hot water
Apartment only
Jan 30, 2026 · Apt 2A
Close - Heat/hot water
Entire building
May 22, 2025 · Apt 2A
Close - Heat/hot water
Entire building
Mar 4, 2025 · Apt 2A
Close - Unsanitary condition
Pests
Oct 23, 2024 · Apt 2A
Close - Water leak
Damp spot
Oct 23, 2024 · Apt 2A
Close - Unsanitary condition
Pests
Oct 7, 2024 · Apt 2A
Close - Water leak
Slow leak
Oct 7, 2024 · Apt 2A
Close - Flooring/stairs
Floor
May 15, 2024 · Apt 1B
Close - Plumbing
Basin/sink
May 15, 2024 · Apt 1B
Close
Show 30 more ↓
- Paint/plaster
Wall
Oct 21, 2022 · Apt 1B
Close - Flooring/stairs
Floor
Oct 21, 2022 · Apt 1B
Close - Paint/plaster
Wall
Oct 21, 2022 · Apt 1B
Close - General
Cabinet
Oct 21, 2022 · Apt 1B
Close - Unsanitary condition
Mold
Oct 21, 2022 · Apt 1B
Close - Paint/plaster
Cabinet
Feb 18, 2022 · Apt 1B
Close - Flooring/stairs
Floor
Jan 10, 2022 · Apt 15
Close - Flooring/stairs
Floor
Apr 11, 2021 · Apt 1B
Close - Unsanitary condition
Mold
Apr 11, 2021 · Apt 1B
Close - Unsanitary condition
Pests
Apr 11, 2021 · Apt 1B
Close - General
Cabinet
Apr 11, 2021 · Apt 1B
Close - Plumbing
Basin/sink
Apr 5, 2021 · Apt 1B
Close - Flooring/stairs
Floor
Mar 26, 2021 · Apt 1B
Close - Plumbing
Basin/sink
Mar 26, 2021 · Apt 1B
Close - General
Cabinet
Mar 26, 2021 · Apt 1B
Close - Unsanitary condition
Mold
Mar 26, 2021 · Apt 1B
Close - Plumbing
Basin/sink
Mar 26, 2021 · Apt 1B
Close - Heat/hot water
Entire building
Jan 21, 2019 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 21, 2019 · Apt BLDG
Close - Unsanitary condition
Mold
Jan 14, 2016 · Apt 1B
Close - Unsanitary condition
Mold
Jan 14, 2016 · Apt 1B
Close - Heat/hot water
Apartment only
Jan 14, 2016 · Apt 1B
Close - General
Bell/buzzer/intercom
Oct 7, 2014 · Apt 1B
Close - Door/window
Door
Oct 7, 2014 · Apt 1B
Close - Water leak
Damp spot
Oct 7, 2014 · Apt 1B
Close - Flooring/stairs
Floor
Oct 7, 2014 · Apt 1B
Close - Plumbing
Toilet
Oct 7, 2014 · Apt 1B
Close - Plumbing
Basin/sink
Oct 7, 2014 · Apt 1B
Close - Heating
Heat related
Feb 9, 2007 · Apt 2A
Close - Electric
Electric-supply
Jun 17, 2005 · Apt ALL
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C2)
- Year built
- 1908
- Floors
- 3
- Residential units
- 6
- Building area
- 7,200 ft²
- Lot area
- 2,500 ft²
- Zoning
- R6
- Community board
- 316
- Council district
- 37
- Block / lot
- 1522 / 64
- Assessed value
- $604,800
- Landmark / historic district
- No
HPD registration #316912, last renewed Aug 6, 2025.
Questions about 363 Sumpter Street
Who owns 363 Sumpter Street?
The owner of record in NYC Department of City Planning PLUTO data is Klanstuy Realty LLC, 25%.
Does 363 Sumpter Street have violations?
Yes. NYC HPD has recorded 45 housing violations at this property.
Is 363 Sumpter Street rent stabilized?
NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 363 Sumpter Street built?
City records list 1908 as the year it was built.
How many apartments are in 363 Sumpter 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.