401 East 23 Street
Brooklyn, NY 11226BBL 3-05209-0040Map
Owner of record: Sys Realty
401 East 23 Street is a walk-up apartment building built in 1925 in Brooklyn, 11226. It has 23 residential units across 4 floors. The owner of record is Sys Realty. HPD has recorded 387 housing violations here, most recently on September 5, 2026. 31 of the 50 most recent violations are still open. City tax records listed 16 rent-stabilized apartments here in 2024.
- HPD violations
- 387
- DOB violations
- 3
- ECB violations
- 5
- HPD complaints
- 1,336
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 · 387
- CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective latch set at entrance door at public hall, 1st story
Sep 5, 2026
Closed — Violation closed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 4l, 2nd story, 1st apartment from south at west
Sep 5, 2026 · Apt 4L
Open — Civ14 mailed - BHazardous
Provide a safe and adequate supply of electric service to the fixtures at range in the kitchen located at apt 4l, 2nd story, 1st apartment from south at west
Sep 5, 2026 · Apt 4L
Open — Civ14 mailed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroom located at apt 4l, 2nd story, 1st apartment from south at west
Sep 5, 2026 · Apt 4L
Open — Civ14 mailed - CImmediately hazardous
Properly repair or replace the broken or defective spring balances at lower sash window , west wall, in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Closed — Violation dismissed - BHazardous
Properly secure the loose wash basin at north wall in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - 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 = 1 in the entire apartment located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
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 inoperative in the entire apartment located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - BHazardous
Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules inoperative in the entire apartment located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Replace with new the missing escutcheon plate at ceiling heat riser , west wall in the 4th room from north at west located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed
Show 40 more ↓
- BHazardous
Properly repair or replace the broken or defective spring balances at, upper sash window , to fire escape, south wall, in the 4th room from north at west located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - BHazardous
Properly repair or replace the broken or defective ceiling light fixture in the 3rd room from north located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - CImmediately hazardous
Properly repair or replace the broken or defective spring balances at lower sash window 2nd from south at west wall in the 3rd room from north located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Closed — Violation dismissed - ANon-hazardous
Replace with new the missing knob at door , in the entrance , at south wall, in the 1st room from north located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - CImmediately hazardous
Properly repair with similar material the broken or defective wood floor in the 1st room from north located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Closed — Violation dismissed - BHazardous
Properly repair or replace the broken or defective ceiling light fixture in the foyer located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Properly repair or replace the broken or defective locking device at door in the entrance , east wall , in the foyer located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Properly repair or replace the broken or defective peep hole in entrance door of the dwelling unit so located so as to permit a person inside the dwelling to view any person outside entrance door in the foyer located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Trace and repair the source and abate the visible mold condition... less than 10 sq.ft ,ceiling and north wall in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Reset, so as to secure a proper and tight connection, the water closet bowl at west wall in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - BHazardous
Properly repair with similar material the broken or defective porcelain glaze at bathub , north wall , in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Properly repair the source and abate the evidence of a water leak at west wall in the kitchen located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Properly repair with similar material the broken or defective wood floor in the kitchen located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Nov sent out - BHazardous
Properly repair or replace the broken or defective gasket at refrigeraor door in the kitchen located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - BHazardous
Properly repair with similar material the broken or defective grout joints at ceramic tiles at north in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - ANon-hazardous
Properly repair or replace the broken or defective medecine cabinet at north wall in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - BHazardous
Repair the leaky and/or defective faucets at bathtub , north wall , in the bathroom located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Civ14 mailed - BHazardous
Properly repair or replace the broken or defective cracked wire glass at window upper sash, south wall, north section, at public hall stairs, 1st story
Jul 4, 2026
Open — Nov certified on time - BHazardous
Properly repair or replace the broken or defective cracked wire glass at window's lower sash west wall, north section, building,s lobby, at public hall, 1st story
Jul 4, 2026
Open — Nov certified on time - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Not complied with - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 7l, 4th story, 1st apartment from south at west , section ''north''
Jul 4, 2026 · Apt 7L
Open — Not complied with - CImmediately hazardous
Provide ready access to buildings heating system door locked at basement
Jul 2, 2026
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 3l, 1st story, 1st apartment from north at east
Jul 2, 2026 · Apt 3L
Open — Not complied with - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 3l, 1st story, 1st apartment from north at east
Jul 2, 2026 · Apt 3L
Closed — Violation dismissed - ANon-hazardous
Post a proper notice regarding rent stabilization law, in a form approved by the commissioner, in a conspicuous location within the common area at the buildings entrance. for more information about signage requirements, please visit: https://www.nyc.gov/site/hpd/services-and-information/required-signage.page
Jun 30, 2026
Open — Nov certified on time - BHazardous
Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules that is missing in the entire apartment located at apt 12r, 4th story, 1st apartment from north at east , section at south
Jun 30, 2026 · Apt 12R
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 that is missing in the entire apartment located at apt 12r, 4th story, 1st apartment from north at east , section at south
Jun 30, 2026 · Apt 12R
Closed — Violation dismissed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 12r, 4th story, 1st apartment from north at east , section at south
Jun 30, 2026 · Apt 12R
Closed — Violation dismissed - CImmediately hazardous
Provide ready access to buildings heating system locked gste to cellar at south at cellar
Jun 30, 2026
Closed — Violation dismissed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 5l, 2nd story, 1st apartment from west at north , section at north
Jun 30, 2026 · Apt 5L
Closed — Violation dismissed - ANon-hazardous
Properly repair or replace the broken or defective intercom system at north wall in the kitchen located at apt 2r, 1st story, 1st apartment from east at south
Aug 20, 2025 · Apt 2R
Closed — Violation dismissed - ANon-hazardous
Properly repair or replace the broken or defective bell and return buzzer system from building front to north wall in the kitchen located at apt 2r, 1st story, 1st apartment from east at south
Jul 27, 2025 · Apt 2R
Closed — Violation dismissed - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the building south 1st court from east at south
Jul 27, 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 2r, 1st story, 1st apartment from east at south
Jul 27, 2025 · Apt 2R
Closed — Violation closed - ANon-hazardous
Properly repair with similar material the broken or defective porcelain emamel finish at bathtub by method of reglazing in the bathroom located at apt 2r, 1st story, 1st apartment from east at south
Jul 27, 2025 · Apt 2R
Closed — Violation dismissed - BHazardous
Properly repair or replace the broken or defective latch set at building entrance door at public hall, 1st story
Jun 15, 2025
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 1r, 1st story, 1st apartment from south at west
Jun 15, 2025 · Apt 1R
Open — False certification - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 1r, 1st story, 1st apartment from south at west
Jun 15, 2025 · Apt 1R
Open — False certification - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the throughout yard
Jun 15, 2025
Open — Nov sent out - BHazardous
Trace and repair the source and abate the visible mold condition... more than 25 sq ft at ceiling and all walls in the bathroom located at apt 3l, 1st story, 1st apartment from north at east
Feb 27, 2025 · Apt 3L
Closed — Violation closed
DOB building violations · 3
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 3, 2008
Dob violation - active - Construction other optional
C-construction other optional
Jun 8, 1992
Vpw*-violation unserved ecb-work without permit-dismissed - Construction other optional
C-construction other optional
Oct 18, 1990
Dob violation - dismissed
ECB violations · 5
- Class - 1
B154 51.40.3a.3b.15.50a.50b.50c.50d.50e.50f.5g.50h 50a flue pipe not connected 50b fire chamber door need to be sealed 50c check valve on cold water feed missing 50d clean out door holes 50e flue pipe not prope
Dec 14, 2008 · Penalty $1,000
Resolve - Non-hazardous
Work without a permit. corner apartment at e 23 st and ditmas ave,1st floor,coverted to retail grocery without obtianing a permit and amended certificate of occupancy. remedy-file with this dept and obtian perm
May 16, 1991
Resolve - Non-hazardous
Work without a permit. work noted at n/w corner building-on ditmas avemasonry wall opened to create new door,show window,and install pull down shutter. remedy-file with this dept,obtain permit and new certifica
Feb 22, 1991 · Penalty $285
Resolve - Non-hazardous
Work without a permit opening created thru exterior masonry wall between 1 & 2 sty south west side of premises installing partitions suspended ceiling with new entrance from exterior to 1 south west apartment
Oct 18, 1990 · Penalty $1,000
Resolve - Non-hazardous
Failure to maintain stone lental supporting exterior mansonry wall at 2nd sty south west side of premises of 4sty occupied multiple dwelling is cracked sagging & in danger of collapsed due to opening erected
Oct 18, 1990 · Penalty $1,000
Resolve
Complaints
- Appliance
Electric/gas range
Sep 1, 2026 · Apt 4L
Close - Electric
Power outage
Jul 2, 2026 · Apt 7L
Close - Heat/hot water
Apartment only
Jul 1, 2026 · Apt 3L
Close - Heat/hot water
Entire building
Jun 29, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Jun 29, 2026 · Apt BLDG
Close - Unsanitary condition
Pests
Jul 21, 2025 · Apt 5L
Close - Unsanitary condition
Pests
Jul 21, 2025 · Apt 5L
Close - Paint/plaster
Ceiling
Jun 30, 2025 · Apt 2R
Close - Unsanitary condition
Pests
Jun 9, 2025 · Apt 1R
Close - Water leak
Damp spot
Jun 9, 2025 · Apt 1R
Close
Show 40 more ↓
- Unsanitary condition
Pests
Jun 9, 2025 · Apt 1R
Close - Unsanitary condition
Mold
Jan 23, 2025 · Apt 3L
Close - Heat/hot water
Apartment only
Jan 23, 2025 · Apt 3L
Close - Heat/hot water
Apartment only
Jan 23, 2025 · Apt 3L
Close - Heat/hot water
Apartment only
Jan 7, 2025 · Apt 3L
Close - Heat/hot water
Entire building
Jan 7, 2025 · Apt BLDG
Close - Heat/hot water
Entire building
Jan 16, 2024 · Apt BLDG
Close - Heat/hot water
Entire building
Oct 24, 2023 · Apt BLDG
Close - Unsanitary condition
Pests
Aug 21, 2023 · Apt 3L
Close - Unsanitary condition
Pests
May 10, 2023 · Apt 3L
Close - Unsanitary condition
Mold
Mar 2, 2023 · Apt 3L
Close - Heat/hot water
Apartment only
Mar 2, 2023 · Apt 3L
Close - Heat/hot water
Entire building
Feb 23, 2023 · Apt 3L
Close - Heat/hot water
Entire building
Dec 23, 2022 · Apt BLDG
Close - Electric
Wiring
Nov 17, 2022 · Apt 2L
Close - Unsanitary condition
Pests
Sep 22, 2022 · Apt 4R
Close - Heat/hot water
Apartment only
Feb 1, 2022 · Apt 3L
Close - Heat/hot water
Entire building
Jan 4, 2021 · Apt 8L
Close - Heat/hot water
Apartment only
Dec 8, 2020 · Apt 3L
Close - Heat/hot water
Entire building
Mar 11, 2020 · Apt 2L
Close - Heat/hot water
Apartment only
Jan 23, 2020 · Apt 2L
Close - Heat/hot water
Apartment only
Jan 23, 2020 · Apt 9R
Close - Electric
No lighting
Jul 19, 2019 · Apt 11L
Close - Electric
No lighting
Jan 16, 2019 · Apt 10L
Close - Heat/hot water
Apartment only
Jan 3, 2019 · Apt 9R
Close - Water leak
Slow leak
Dec 17, 2018 · Apt 10L
Close - Water leak
Slow leak
Dec 17, 2018 · Apt 10L
Close - Unsanitary condition
Pests
Dec 13, 2018 · Apt 11R
Close - Electric
Power outage
Aug 8, 2018 · Apt 10L
Close - Paint/plaster
Wall
Apr 16, 2018 · Apt 3L
Close - Paint/plaster
Wall
Apr 16, 2018 · Apt 3L
Close - Paint/plaster
Wall
Apr 16, 2018 · Apt 3L
Close - Paint/plaster
Ceiling
Apr 16, 2018 · Apt 3L
Close - Unsanitary condition
Mold
Apr 16, 2018 · Apt 3L
Close - Heat/hot water
Apartment only
Apr 16, 2018 · Apt 3L
Close - Heat/hot water
Entire building
Dec 25, 2017 · Apt 11R
Close - Heat/hot water
Apartment only
Dec 13, 2017 · Apt 12R
Close - Heat/hot water
Entire building
Dec 13, 2017 · Apt BLDG
Close - Heat/hot water
Apartment only
Dec 11, 2017 · Apt 12R
Close - Heat/hot water
Apartment only
Dec 8, 2017 · Apt 12R
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C7)
- Year built
- 1925
- Floors
- 4
- Residential units
- 23
- Building area
- 23,300 ft²
- Lot area
- 4,113 ft²
- Zoning
- R7A
- Community board
- 314
- Council district
- 40
- Block / lot
- 5209 / 40
- Assessed value
- $694,800
- Landmark / historic district
- No
HPD registration #334091, last renewed Aug 25, 2025.
Questions about 401 East 23 Street
Who owns 401 East 23 Street?
The owner of record in NYC Department of City Planning PLUTO data is Sys Realty.
Does 401 East 23 Street have violations?
Yes. NYC HPD has recorded 387 housing violations at this property.
Is 401 East 23 Street rent stabilized?
NYC Department of Finance tax bills listed 16 rent-stabilized units here in 2024 (about 70% of its 23 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 401 East 23 Street built?
City records list 1925 as the year it was built.
How many apartments are in 401 East 23 Street?
It has 23 residential units and 24 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.