Brooklyn · Block 4776 · Lot 21 · 11203

520 East 56 Street

1 floors · 2 apartments · 2,068 sq ft · built 1940 · class B1 · owner of record: Mahon Family Trust

2open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
291dto 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 291 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (1)
IssuedViolationHearingBalance
Dec 10, 2005Quality of Life Non-Hazardous
OCCUPANCY CONTRARY TO THAT ALLOWED BY THE CERTIFICATE OF OCCUPANCY #13092 51. NOTE: IN THAT C OF O INDICATE USE AS A ONE FAMILY DWELLING. THE USE OF BUILDING NOW CHANGE TO THREE FAMILY DWELLING. OBSERVED THE
#34502855R
Jun 5, 2006
IN VIOLATION
$0
DOB (1)
IssuedViolationStatus
Aug 24, 2009CONSTRUCTION

#1706WG
DOB VIOLATION - ACTIVE
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 Nov 14, 2026, 11:20 PM ET. BBL 3047760021.

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