Brooklyn · Block 4755 · Lot 9 · 11236

9511 Avenue B

1 floors · 2 apartments · 1,771 sq ft · built 1945 · class B3 · owner of record: Nelson, Orson

2open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
311dto 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 property registration Check
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

Sep 1, 2027
in 311 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (0)

None open.

DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (2) · C 0 · B 2 · A 0
IssuedClassViolationCorrect by
Aug 22, 2025BApt 1 · § 27-2073 ADM CODE - PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT GAS RANGE IN THE KITCHEN LOCATED AT BSMT-APT 1, 1st BSMT-APT FROM SOUTH AT WESTSep 26, 2025
Aug 22, 2025BApt 1 · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT 1, 1st BSMT-APT FROM SOUTH AT WESTSep 26, 2025

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 25, 2026, 10:19 PM ET. BBL 3047550009.

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