Brooklyn · Block 3247 · Lot 2 · 11237

355 Knickerbocker Avenue

3 floors · 8,350 sq ft · built 1931 · class K4 · owner of record: Rad Associates

1open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
69dto Gas piping inspection (2026 cycle)

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

Compliance deadlines

RequirementDueStatus
Gas piping inspection (2026 cycle) Likely applies
Local Law 152 · During 2026
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 4 is on the 2026 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2026
in 69 days
Due this year
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 69 days
Keep the report on file (not filed with DOB)

Open violations

ECB / OATH (1)
IssuedViolationHearingBalance
Apr 1, 2008Construction Non-Hazardous
ALTERED BUILDING OCCUPIED W/O A VALID CERTIFICATE OF OCCUPANCY. FOR ALT#300558117 TEMP C OF O #300558117 HAD EXPIRED ON 11/19/97. REMEDY: OBTAIN A VALID CERTIFICATE OF OCCUPANCY.
#34640413P
Jul 21, 2008
IN VIOLATION
$0
DOB (0)

None open.

DOB NOW Safety (0)

None open.

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 23, 2026, 3:33 AM ET. BBL 3032470002.

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