Brooklyn · Block 637 · Lot 52 · 11232

231 20 Street

5 floors · 6 apartments · 9,689 sq ft · built 1933 · class S5 · owner of record: Perpetual Company Llc

2open violations
$5,000ECB/OATH penalties owed
0HPD class C (immediately hazardous)
Overdueto Annual property registration

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New violations the morning after they're issued, plus deadline reminders. Free for one building.

Compliance deadlines

RequirementDueStatus
Annual parapet observation Check
Local Law 126 · By December 31 each year
What this is

If the building has a parapet facing a street, sidewalk or other public way, a competent person (such as a mason, engineer or architect) must observe it every year and the owner keeps the report for DOB on request. Detached one- and two-family homes are exempt. Agency page

Dec 31, 2026
in 68 days
Keep the report on file (not filed with DOB)
Bedbug annual filing Applies
Local Law 69 · December 1 to 31 each year
What this is

Owners of multiple dwellings file their bedbug infestation history for the prior year with HPD and post or distribute it to tenants. Agency page

Dec 31, 2026
in 68 days
Annual
Annual notice: window guards and lead paint Applies
HPD / Health Code · January 1 to 16 each year
What this is

Deliver the annual notice to every unit asking whether a child lives there (window guards for children 10 and under; lead paint for children under 6 in pre-1960 buildings), then follow up on units that don't return it by mid-February. Agency page

Jan 16, 2027
in 84 days
Annual
Annual property registration Applies
HPD registration · September 1 each year
What this is

Residential buildings with three or more units, and one- and two-family homes the owner doesn't occupy, register with HPD every year ($13 fee). An unregistered building can't start a nonpayment case in Housing Court and faces civil penalties. Agency page

OverdueNo current registration found
Gas piping inspection (2029 cycle) Likely applies
Local Law 152 · During 2029
What this is

Buildings with gas piping (except one- and two-family homes) need a periodic gas piping inspection by a licensed master plumber every four years. Community district 7 is on the 2029 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2029
in 1164 days
Next cycle year 2029

Open violations

ECB / OATH (2) · $5,000 owed
IssuedViolationHearingBalance
Sep 16, 2020Construction CLASS - 2
PEDESTRIAN PROTECTION INADEQUATE. NOTED: AT TIME OF INSPECTION OF AN ACTIVE,JOBSITE,OBSERVED SIDEWALK SHED MISSING PARAPET PANE INFORMATION MISSING & BOLTS W/NO(CAP)CRATING A SHARP EDGES WHICH IS HAZARDS FOR
#35503850Z
Jul 21, 2021
DEFAULT
$5,000
May 26, 2016Construction CLASS - 1
SEC. 3301.1.2 FAIL TO COMPLY W/NYC FIRE CODE-NO FIRE GUARD. NOTED: WELDER ON 3RD FL: SPARK FLYING ALL THE WAY DOWN TO THE GROUND(NEXT TO ELEVATOR SHAFT/STAIRS). NO FIRE GUARD ON SITE. POTENTIAL DANGER OF SPARK
#35196104J
Sep 9, 2016
IN VIOLATION
$0
DOB (0)

None open.

DOB NOW Safety (1)
IssuedViolationStatus
Sep 18, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle B (premises is in Community District 7)
Active
HPD (0)

None open.

Check the agency records

Always confirm on the city's own systems before acting: DOB BIS property profile · DOB NOW · HPD Online · Pay ECB/OATH penalties (CityPay)

City records as of Oct 24, 2026, 5:17 PM ET. BBL 3006370052.

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