Brooklyn · Block 6346 · Lot 42 · 11214

8510 21 Avenue

3 floors · 2 apartments · 3,534 sq ft · built 1931 · class S2 · owner of record: 8510 21st Avenue Holdings, Llc

7open violations
$2,500ECB/OATH penalties owed
0HPD class C (immediately hazardous)
Overdueto 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

OverdueRegistration expired 2026-09-01
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 61 days
Keep the report on file (not filed with DOB)
Gas piping inspection (2027 cycle) Likely applies
Local Law 152 · During 2027
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 11 is on the 2027 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2027
in 426 days
Next cycle year 2027

Open violations

ECB / OATH (2) · $2,500 owed
IssuedViolationHearingBalance
May 29, 2026Construction CLASS - 1
UNLAWFUL ACTS. FAILURE TO COMPLY WITH COMMISSIONER'S ORDER. FOR WORK WITHOUT A PERMIT FOR VIO#39155916J ,NO PERMIT ON FILE AS OF 5/29/2026., COMPLY WITH COMMISSIONER'S ORDER
#39190433Z
Sep 15, 2026
IN VIOLATION
$2,500
Aug 4, 2025Construction CLASS - 1
WORK WITHOUT PERMIT: ATOI OBSERVED AT EXPO # 3 AN UNPERMITTED UNDOCUMENTED ONE STORY ALUMNI FRAME STRUCTURE CONNECTED TO THE EXISTING BUILDING WITH MULTIPLE WINDOWS TWO ENTRY DOORS NO PERMITS WERE FOUND FOR THE
#39155916J
Oct 8, 2025
IN VIOLATION
$0
DOB (0)

None open.

DOB NOW Safety (1)
IssuedViolationStatus
Mar 17, 2026AEUHAZ FTC-AEU-HAZ
Active
HPD (4) · C 0 · B 4 · A 0
IssuedClassViolationCorrect by
Nov 12, 2014BApt FLR3 · § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR ALL WALLS AND CEILING IN THE ENTIRE APARTMENT LOCATED AT APT FLR3, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 17, 2014
Nov 12, 2014BApt FLR3 · § 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILE AT NORTH WALL IN THE BATHROOM LOCATED AT APT FLR3, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 17, 2014
Nov 12, 2014BApt FLR3 · § 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR THROUGHOUT IN THE ENTIRE APARTMENT LOCATED AT APT FLR3, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 17, 2014
Nov 12, 2014BApt FLR3 · § 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING IN THE KITCHEN LOCATED AT APT FLR3, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHDec 17, 2014

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, 6:22 AM ET. BBL 3063460042.

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