Brooklyn · Block 5501 · Lot 1 · 11204

5723 21 Avenue

1 floors · 2 apartments · 1,764 sq ft · built 1960 · class B1 · owner of record: The Chaim Landau 2012 Family Trust

3open violations
$2,500ECB/OATH penalties owed
0HPD class C (immediately hazardous)
305dto Annual property registration

Get an email when anything changes here

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 305 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (1) · $2,500 owed
IssuedViolationHearingBalance
Apr 30, 2026Construction CLASS - 1
WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND /OR APPROVED AMENDMENTS. ATOI OBSERVED JOB # B01341676-I1-GC EXPIRES 05/26/2026 FOR 2 STORY INT/ENT RENOVATIONS NOW HORIZONTALLY AND VERTICALLY ENLAR
#39186723P
Feb 22, 2027
PENDING
$2,500
DOB (2)
IssuedViolationStatus
Apr 30, 2026CONSTRUCTION
WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND / OR APPROVED AMENDMENTS. PERMIT B01341676-I1-GC EXPIRES 05/26/2026 FOR 2 STORY INT/EXT RENOVATIONS, VERTICAL AND HORIZONTALLY ENLARGEMENT IN PROGRESS CONTRARY TO APPROVALS. BULKHEAD SETBACK ELEVATES ABOVE 4 TIER SF SCAFFOLDING, 3RD, 4TH S
#26-01174
DOB VIOLATION - ACTIVE
May 16, 2006CONSTRUCTION
WORK WITHOUT A PERMIT WORK NOTED: IN THAT ILLEGAL CURB CUT WAS CONSTRU CTED AT REAR OF BLDG. RIGHT SIDE CURB CUT WAS EXTENDED TO 25 FT ALSO I LLEGAL PARKING AND CONSTRUCTED REMEDY: OBTAIN APPROVED TWO PERMITS OR RESTORE TO PRIOR LEGAL CONDITIO NS
#12JB02
VIOLATION UNSERVED ECB-WORK WITHOUT PERMIT-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 Oct 31, 2026, 6:20 AM ET. BBL 3055010001.

Look up another building