Brooklyn · Block 874 · Lot 7 · 11215

643 6 Avenue

2 floors · 2 apartments · 884 sq ft · built 1910 · class B2 · owner of record: Cosme Ramos, Carlos T

3open violations
$0ECB/OATH penalties owed
2HPD 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 (1)
IssuedViolationStatus
May 22, 2009CONSTRUCTION
WORK W/OUT PERMIT
#ERLP01
VIOLATION WORK WITHOUT PERMIT - ACTIVE
DOB NOW Safety (0)

None open.

HPD (2) · C 2 · B 0 · A 0
IssuedClassViolationCorrect by
Apr 9, 2012CSECTION 27-2005 ADMIN. CODE: REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK AT SECURITY DOOR AT BUILDING ENTRANCE , 1st STORYApr 15, 2012
Apr 9, 2012CSECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING LOCK AT THE ENTRANCE DOOR TO BUILDING , 1st STORYApr 15, 2012

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, 5:07 PM ET. BBL 3008740007.

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