Brooklyn · Block 5508 · Lot 3 · 11204

5817 21 Avenue

2 floors · 2 apartments · 1,600 sq ft · built 1925 · class B2 · owner of record: Greenfeld, Malka

4open violations
$38,247ECB/OATH penalties owed
0HPD class C (immediately hazardous)
306dto 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 306 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (7) · $38,247 owed
IssuedViolationHearingBalance
Sep 15, 2026Construction CLASS - 2
PSWO AND ECB VIOLATION ISSUED FOR WORK WITHOUT PERMIT IN PROGRESS. OBSERVED 4" BLACK IRON DRAINPIPE BEING INSTALLED AT 3RD AND 4TH FLOOR LEV OF BUILDING. A TOTAL APPROX. 35 FEET LENGTH. NO PERMIT ON FILE AT DOB
#39204226K
Nov 25, 2026
PENDING
$1,250
Sep 15, 2026Construction CLASS - 1
FSWO AND ECB VIO ISSUED FOR WORK WITHOUT PERMIT. OBSERVED VERTICAL ENLARGEMENT TO EXISTING 2 STORY 2 FAMILY DWELLING IN PROGRESS, 2 ADDITIONAL STORIES ADDED BUILDING IS 4 STORIES. STRUCTURAL AND PARTITION WALL
#39204224R
Nov 25, 2026
PENDING
$2,500
Sep 15, 2026Construction CLASS - 1
ECB VIO ISSUED FOR FAILING TO INSTITUTE AND MAINTAIN SAFETY MEASURES OR TEMP. CONST. MEASURES. GUARDRAILS AND NETTING ARE MISSING AT LEADING EDGE IN SEVERAL LOCATIONS AT 2ND, 3RD AND 4TH FLOOR TO PREVENT POSSIB
#39204225Z
Nov 25, 2026
PENDING
$5,000
Aug 11, 2026Construction CLASS - 1
ECB ISSUED FOR ATOI OBSERVED TARP NOT PROPERLY INSTALLED /MAINTAIN TO PROPERTY/ SCAFFOLD AT EXPOSURE 1 EXTERIOR. TARP OBSERVED OUTSIDE OF CONSTRUCTION SITE ZONE., SAFEGUARD PUBLIC AND PROPERTY
#39200191L
May 18, 2027
$10,000
Nov 12, 2016Construction CLASS - 1
FAILURE TO COMPLY W/THE COMM'S ORDER CONTAINED IN NOV #35169006M ISSUED ON 05/01/16 & TO FILE A C OF C PURSUANT TO 28-201.1,28-204.4 & 1RCNY102-01. FOR WORK W/O A PERMIT. REMEDY: COMPLY W/COMM'S ORDER &/OR FILE
#35189475N
Mar 8, 2017
IN VIOLATION
$828
May 26, 2016Construction CLASS - 1
HOMEOWNER TRAMPERS WTH REMOVED OR DEFACED A WRITTEN AND POSED STOP WORK ORDER OF THE COMMISSIONER.FOUND AT THE TIME OF INSPECTION POSTED NOTICE OF A STOP WORK ORDER WAS REMOVED SWO#35169006M ISSUED ON 05-01-16.
#35175740H
Oct 24, 2016
$3,218
May 26, 2016Construction CLASS - 1
UNLAWFULLY CONTINUED WORK WHILE UNDER THE NOTICE OF A STOP WORK ORDER #35169006M POSTED ON 05-01-16 FOR EXCAVATION WORK W/O A PERMIT. FOUND 2 MEN AT WORK IN PROGRESS ON THE CELLAR LEVEL DEMOLISHING CONCRETE
#35175741J
Oct 24, 2016
$15,451
DOB (1)
IssuedViolationStatus
Sep 15, 2026CONSTRUCTION
DOB VIO ISSUED FOR WORK WITHOUT A PERMIT. UNAUTHORIZED STRUCTURAL WORK IS IN PROGRESS TO EXECUTE VERTICAL ENLARGEMENT AND ADD 2 MORE STORIES ON AN EXISTING 2 STORY STRUCTURE. BEAMS, POSTS AND OTHER STRUCTURES WERE ADDED
#26-02212
DOB VIOLATION - ACTIVE
DOB NOW Safety (0)

None open.

HPD (0)

None open.

Issued in the last 120 days

DateSourceWhatNow
Sep 15, 2026DOBCONSTRUCTION: DOB VIO ISSUED FOR WORK WITHOUT A PERMIT. UNAUTHORIZED STRUCTURAL WORK IS IN PROGRESS TO EXECUTE VERTICAL ENLARGEMENT AND ADD 2 MORE STORIES ON AN EXISTING 2 STORY STRUCTURE. BEAMS, POSTS AND OTHER STRUCTURES WERE ADDEDOpen
Sep 15, 2026ECBConstruction: PSWO AND ECB VIOLATION ISSUED FOR WORK WITHOUT PERMIT IN PROGRESS. OBSERVED 4" BLACK IRON DRAINPIPE BEING INSTALLED AT 3RD AND 4TH FLOOR LEV OF BUILDING. A TOTAL APPROX. 35 FEET LENGTH. NO PERMIT ON FILE AT DOBOpen
Sep 15, 2026ECBConstruction: FSWO AND ECB VIO ISSUED FOR WORK WITHOUT PERMIT. OBSERVED VERTICAL ENLARGEMENT TO EXISTING 2 STORY 2 FAMILY DWELLING IN PROGRESS, 2 ADDITIONAL STORIES ADDED BUILDING IS 4 STORIES. STRUCTURAL AND PARTITION WALLOpen
Sep 15, 2026ECBConstruction: ECB VIO ISSUED FOR FAILING TO INSTITUTE AND MAINTAIN SAFETY MEASURES OR TEMP. CONST. MEASURES. GUARDRAILS AND NETTING ARE MISSING AT LEADING EDGE IN SEVERAL LOCATIONS AT 2ND, 3RD AND 4TH FLOOR TO PREVENT POSSIBOpen
Aug 11, 2026ECBConstruction: ECB ISSUED FOR ATOI OBSERVED TARP NOT PROPERLY INSTALLED /MAINTAIN TO PROPERTY/ SCAFFOLD AT EXPOSURE 1 EXTERIOR. TARP OBSERVED OUTSIDE OF CONSTRUCTION SITE ZONE., SAFEGUARD PUBLIC AND PROPERTYClosed

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 30, 2026, 11:18 AM ET. BBL 3055080003.

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