Brooklyn · Block 1831 · Lot 2 · 11221

521 Throop Avenue

4 floors · 4 apartments · 4,800 sq ft · built 1905 · class C3 · owner of record: Dean, Estelle

32open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
47dto Bedbug annual filing

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New violations the morning after they're issued, plus deadline reminders. Free for one building.

Compliance deadlines

RequirementDueStatus
Annual parapet observation Check
Local Law 126 · By December 31 each year
What this is

If the building has a parapet facing a street, sidewalk or other public way, a competent person (such as a mason, engineer or architect) must observe it every year and the owner keeps the report for DOB on request. Detached one- and two-family homes are exempt. Agency page

Dec 31, 2026
in 47 days
Keep the report on file (not filed with DOB)
Bedbug annual filing Applies
Local Law 69 · December 1 to 31 each year
What this is

Owners of multiple dwellings file their bedbug infestation history for the prior year with HPD and post or distribute it to tenants. Agency page

Dec 31, 2026
in 47 days
Annual
Annual notice: window guards and lead paint Applies
HPD / Health Code · January 1 to 16 each year
What this is

Deliver the annual notice to every unit asking whether a child lives there (window guards for children 10 and under; lead paint for children under 6 in pre-1960 buildings), then follow up on units that don't return it by mid-February. Agency page

Jan 16, 2027
in 63 days
Annual
Annual property registration Applies
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
Registered through 2027-09-01
Gas piping inspection (2028 cycle) Likely applies
Local Law 152 · During 2028
What this is

Buildings with gas piping (except one- and two-family homes) need a periodic gas piping inspection by a licensed master plumber every four years. Community district 3 is on the 2028 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2028
in 778 days
Next cycle year 2028

Open violations

ECB / OATH (0)

None open.

DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (32) · C 0 · B 22 · A 10
IssuedClassViolationCorrect by
Mar 29, 2012BApt 4 · SECTION 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE .. IN THE KITCHEN LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 3, 2012
Mar 29, 2012BApt 4 · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT ALL WALLS AND CEILING INSIDE CLOSET IN THE PRIVATE HALLWAY LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 3, 2012
Mar 27, 2012BApt 4 · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012BApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE INTERCOMMUNICATION SYSTEM LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012BApt 4 · SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012BApt 4 · SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012BApt 4 · SECTION 27-2005 ADM CODE PROPERLY SECURE THE LOOSE DOOR AT WEST WALL IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012BApt 4 · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012AApt 4 · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT WEST WALL IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 30, 2012
Mar 27, 2012BApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOWER SASH COUNTER BALANCE AT EAST WINDOW IN THE KITCHEN LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012AApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE HOLE BY SINK AT WOODEN FLOOR IN THE KITCHEN LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 30, 2012
Mar 27, 2012AApt 4 · SECTION 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION AT WASTELINE FOR SINK IN THE KITCHEN LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 30, 2012
Mar 27, 2012BApt 4 · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 27, 2012AApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE SLIDING DOOR AT EAST WALL IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 30, 2012
Mar 27, 2012BApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOWER SASH COUNTER BALANCES AT SOUTH AND CENTRAL WINDOWS IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTMay 1, 2012
Mar 5, 2012AApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE INTERCOM IN THE ENTIRE APARTMENT LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 8, 2012
Mar 5, 2012AApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE DOOR TO PRIVATE HALL IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 8, 2012
Mar 5, 2012BApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE UPPER SASH SO IT CLOSES PROPERLY IN THE KITCHEN LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTApr 9, 2012
Mar 5, 2012BApt 4 · SECTION 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION ON DRAIN LINE AT SINK IN THE KITCHEN LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTApr 9, 2012
Mar 5, 2012AApt 4 · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALLS AND CEILING IN THE 3rd ROOM FROM EAST AT SOUTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 8, 2012
Mar 5, 2012BApt 4 · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTApr 9, 2012
Mar 5, 2012BApt 4 · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTApr 9, 2012
Mar 5, 2012BApt 4 · SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTApr 9, 2012
Mar 5, 2012AApt 4 · SECTION 27-2005 ADM CODE REFIT DOOR TO 3RD ROOM FROM EAST AT NORTH IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 8, 2012
Mar 5, 2012AApt 4 · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE UPPER SASH AT WINDOW SO IT CLOSES PROPERLY IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 8, 2012
Mar 5, 2012AApt 4 · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTJun 8, 2012
Mar 5, 2012BApt 4 · SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT 4, 4th STORY, APARTMENT AT EASTApr 9, 2012
Feb 15, 2012BApt 4FL · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE LOCATED AT APT 4FL, 4th STORY, 1st APARTMENT FROM SOUTH AT WESTMar 21, 2012
Feb 15, 2012BApt 4FL · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 2nd ROOM FROM NORTH LOCATED AT APT 4FL, 4th STORY, 1st APARTMENT FROM SOUTH AT WESTMar 21, 2012
Feb 15, 2012BApt 4FL · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE DOOR IN THE 2nd ROOM FROM NORTH LOCATED AT APT 4FL, 4th STORY, 1st APARTMENT FROM SOUTH AT WESTMar 21, 2012
Feb 15, 2012BApt 4FL · SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT 4FL, 4th STORY, 1st APARTMENT FROM SOUTH AT WESTMar 21, 2012
Feb 15, 2012BApt 4FL · SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 4FL, 4th STORY, 1st APARTMENT FROM SOUTH AT WESTMar 21, 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 Nov 14, 2026, 7:21 AM ET. BBL 3018310002.

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