roofy
Post

20 Ditmars Street

Brooklyn, NY 11221BBL 3-03194-0015Map

Owner of record: Lau, Karen

20 Ditmars Street is a walk-up apartment building built in 1920 in Brooklyn, 11221. It has 3 residential units across 3 floors. The owner of record is Lau, Karen. HPD has recorded 44 housing violations here, most recently on May 4, 2026.

HPD violations
44
DOB violations
0
ECB violations
7
HPD complaints
27

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation May 4, 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

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 44

  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    May 4, 2026

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 19, 2025

    Closed — Violation dismissed
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Apr 9, 2024

    Closed — Violation dismissed
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Feb 24, 2022

    Closed — Violation dismissed
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Apr 8, 2021

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of tree limbs hanging over balconies at east yard at fire escape

    Jun 21, 2013

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of antenna attached to goose neck ladder at fire escape

    Jun 21, 2013

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of water leak at ceiling in the bathroom located at apt 2, 2nd story, 1st apartment from east at south

    Oct 7, 2011 · Apt 2

    Closed — Violation closed
  • C

    Replace with new the broken or defective defective wood joists at basement

    Oct 7, 2011

    Closed — Violation closed
  • C

    Properly repair with similar material the broken or defective fire retardant materials at ceiling at basement

    Oct 7, 2011

    Closed — Violation closed
Show 34 more ↓
  • C

    M/d law abate the nuisance consisting of exposed electric wires at ceiling at basement

    Oct 7, 2011

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 1, 1st story, 1st apartment from east at south

    Oct 7, 2011 · Apt 1

    Closed — Violation closed
  • B

    Remove all encumbrances consisting of various personal belongings and boxes blocking roof scuttle ladder at public hall, 3rd story

    Aug 8, 2011

    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, 2011

    Closed — Violation dismissed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 2, 2nd story

    Oct 12, 2010 · Apt 2

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 2, 2nd story

    Oct 12, 2010 · Apt 2

    Closed — Violation closed
  • B

    Provide an adequate supply of gas to the fixtures range in the kitchen located at apt 2, 2nd story

    Oct 12, 2010 · Apt 2

    Closed — Violation closed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 2, 2nd story, 1st apartment from east at south

    Oct 4, 2010 · Apt 2

    Closed — Violation closed
  • C

    Repair the leaky and/or defective faucets at bathtub in the bathroom located at apt 2, 2nd story, 1st apartment from east at south

    Oct 4, 2010 · Apt 2

    Closed — Violation closed
  • B

    M/d law abate the nuisance consisting of evidence water leaking from ceiling in the kitchen located at apt 2, 2nd story, 1st apartment from east at south

    Oct 4, 2010 · Apt 2

    Closed — Violation closed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the kitchen located at apt 2, 2nd story, 1st apartment from east at south

    Oct 4, 2010 · Apt 2

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 2, 2nd story, 1st apartment from east at south

    Oct 4, 2010 · Apt 2

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of door lock installed between room north east 1 and room north 2, obstructing 2nd means egress to fire escape located at apt 2, 2nd story, 1st apartment from east at south

    Oct 4, 2010 · Apt 2

    Closed — Violation closed
  • B

    Provide adequate light of not less than 60 watts incandescent or equivalent illumination at second story at public hall

    Oct 4, 2010

    Closed — Violation closed
  • C

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling and west wall (20 sq ft) in the bathroom located at apt 2, 2nd story, 1st apartment from east at south

    Oct 4, 2010 · Apt 2

    Closed — Violation closed
  • B

    Provide an adequate supply of gas to the fixtures ,, in the entire apartment located at apt 2, 2nd story, 1st apartment from east at south

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • B

    Abate the nuisance consisting of roaches in the entire apartment located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • B

    Abate the nuisance consisting of mice in the entire apartment located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of a concealed water leak at ceiling in the bathroom located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and west wall in the bathroom located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • B

    Repair the leaky and/or defective faucets at bathtub in the bathroom located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    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 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • B

    Properly repair the broken or defective counter balance mechanism at lower sash to fire escape window in the 1st room from east at north located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • B

    Repair or replace the smoke detector missing in the entire apartment located at apt 2, 2nd story

    Aug 13, 2010 · Apt 2

    Closed — Violation closed
  • C

    Abate the nuisance consisting of rodents consisting of rats, at cellar

    Feb 13, 2010

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system locked door to cellar at public hall, 1st story

    Feb 5, 2010

    Closed — Violation closed
  • B

    Properly secure the loose hand rail all stories at public hall stairs

    Jun 16, 2005

    Closed — Violation closed
  • B

    D26-10.01 adm code properly repair with similar material the broken or defective plasterboard clg cellar thru out.

    Aug 29, 1996

    Closed — Violation closed
  • A

    D26-10.01 adm code & 309 m/d law abate the nuisance consisting of paneling at stairs public hall all stys.

    Aug 29, 1996

    Closed — Violation closed
  • A

    D26-10.01 adm code properly repair with similar material the broken or defective ceramic wall tile 1 sty apt 1 bathroom. , section '' ''

    Aug 29, 1996 · Apt 1

    Closed — Violation closed
  • B

    D26-20.07 adm code arrange and make self-closing the doors entrance 1 sty apt 1. , section '' ''

    Aug 29, 1996 · Apt 1

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective fire retarded all walls cock loft scuttle closet 3 sty public hall.

    Aug 29, 1996

    Closed — Violation closed
  • C

    Fire escape defective. properly secure gooseneck ladder 3 sty to roof rear.

    Aug 29, 1996

    Closed — Violation closed

DOB building violations · 0

No DOB violations on record

ECB violations · 7

  • Class - 1

    Sec.28-201.1 failure to comply with commissioner's order to obtain permit as per violation 34612866j for erecting partition walls,installing 3 bathroom,electric lines etc in property w/o a permit.

    Sep 16, 2008

    Resolve
  • Hazardous

    Failure to comply w/an order of the commissioner to correct violation #34612866j - for erecting partitions creating rooms installed water & waste lines for bathroom an electric lines for stove. no records of

    Mar 7, 2008

    Resolve
  • Hazardous

    Failure to provide at least 2 means of egress from room or space whererequired. noted: at 2nd floor level divided floor area creating 2 separate sros thus blocking 2nd means of egress. remedy: provide adequate

    Mar 7, 2008 · Penalty $480

    Resolve
  • Hazardous

    Residence altered for occupancy for more than the legal numbers of families. dob records indicate bldg to be legally approved families. residence now altered & occupied as ( ) families w/one sro at the 2nd fl

    Mar 7, 2008 · Penalty $5,375

    Resolve
  • Hazardous

    Work w/o a permit.work noted:at cellar level erected partitions to create 5rms installed water & waste lines for 3pc bathroom(toilet,sink,shower)7 residential sink.installed 220 line for electric stove.at 2nd &

    Oct 24, 2007

    Resolve
  • Hazardous

    Residence altered for occupancy for more than the legally approved # of families dept of bldgs records indicare premises to be legally approved for a multiple dwelling.illegal occupancy noted cellar level creat

    Oct 24, 2007 · Penalty $7,550

    Resolve
  • Hazardous

    Failure to provide at least 2 means of egress from room or space whererequired.noted:at 2nd & 3rd fls each fl has create sro's dividing rooms from rest of apt.causing 2nd egress to be blocked at either side at

    Oct 24, 2007

    Resolve

Complaints

  • Unsanitary condition

    Pests

    Aug 4, 2026 · Apt 1

    Close
  • Plumbing

    Water supply

    Apr 1, 2018 · Apt 2

    Close
  • General

    Cooking gas

    Oct 7, 2010 · Apt 2

    Close
  • General

    Cooking gas

    Oct 1, 2010 · Apt 2

    Close
  • Electric

    Electric-supply

    Oct 1, 2010 · Apt 2

    Close
  • Electric

    Lighting

    Oct 1, 2010 · Apt 2

    Close
  • Paint/plaster

    Ceiling

    Oct 1, 2010 · Apt 2

    Close
  • Plumbing

    Water-leaks

    Oct 1, 2010 · Apt 2

    Close
  • Paint/plaster

    Ceiling

    Oct 1, 2010 · Apt 2

    Close
  • Plumbing

    Water-leaks

    Oct 1, 2010 · Apt 2

    Close
Show 17 more ↓
  • Plumbing

    Shower-stall

    Oct 1, 2010 · Apt 2

    Close
  • Plumbing

    Water-leaks

    Aug 10, 2010 · Apt 2

    Close
  • General

    Cooking gas

    Aug 10, 2010 · Apt 2

    Close
  • Nonconst

    Vermin

    Aug 10, 2010 · Apt 2

    Close
  • Nonconst

    Vermin

    Aug 10, 2010 · Apt 2

    Close
  • Plumbing

    Water-leaks

    Jul 28, 2010 · Apt 1

    Close
  • General

    Cooking gas

    Jul 28, 2010 · Apt 1

    Close
  • Plumbing

    Basin/sink

    Jul 9, 2010 · Apt 3FLR

    Close
  • General

    Floor

    Jul 9, 2010 · Apt 3FLR

    Close
  • Appliance

    Refrigerator

    Jul 9, 2010 · Apt 3FLR

    Close
  • General

    Floor

    Jul 9, 2010 · Apt 3FLR

    Close
  • Heating

    Heat related

    Feb 16, 2010 · Apt 1

    Close
  • Heating

    Heat related

    Feb 10, 2010 · Apt 1

    Close
  • Heating

    Heat related

    Feb 3, 2010 · Apt 1

    Close
  • Heating

    Heat related

    Oct 29, 2008 · Apt 1

    Close
  • Heating

    Heat related

    Feb 7, 2008 · Apt 3FLR

    Close
  • Plumbing

    Water supply

    Jun 14, 2005 · Apt 1

    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 (C0)
Year built
1920
Floors
3
Residential units
3
Building area
2,850 ft²
Lot area
1,805 ft²
Zoning
R6
Community board
304
Council district
34
Block / lot
3194 / 15
Assessed value
$74,580
Landmark / historic district
No

HPD registration #373085, last renewed Nov 21, 2025.

Questions about 20 Ditmars Street

Who owns 20 Ditmars Street?

The owner of record in NYC Department of City Planning PLUTO data is Lau, Karen.

Does 20 Ditmars Street have violations?

Yes. NYC HPD has recorded 44 housing violations at this property.

Is 20 Ditmars Street rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 20 Ditmars Street built?

City records list 1920 as the year it was built.

How many apartments are in 20 Ditmars Street?

It has 3 residential units.

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