Brooklyn · Block 1566 · Lot 8 · 11233

21 Marconi Place

2 floors · 2 apartments · 1,530 sq ft · built 1901 · class B9 · owner of record: Mathis, Lamont L

4open violations
$0ECB/OATH penalties owed
4HPD class C (immediately hazardous)
312dto 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 312 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 (4) · C 4 · B 0 · A 0
IssuedClassViolationCorrect by
Jul 30, 2009CApt 1 · SECTION 27-2026 ADMIN. CODE: REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS BATHTUB IN THE BATHROOM LOCATED AT APT 1, 1st STORYAug 5, 2009
Jul 30, 2009CApt 1 · SECTION 27-2026 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE AT SINK IN THE KITCHEN LOCATED AT APT 1, 1st STORYAug 5, 2009
Jul 30, 2009CSECTION 27-2026 ADMIN. CODE: REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS SINK KITCHEN 1ST STORY APT. 1 ER-1Aug 5, 2009
Jul 30, 2009CSECTION 27-2026 ADMIN. CODE: REMOVE ALL OBSTRUCTIONS AND REPAIR ALL DEFECTS IN WASTELINE WASHBASIN BATHROOM 1ST STORY APT. 1 ER-1Aug 5, 2009

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, 1:30 PM ET. BBL 3015660008.

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