Brooklyn · Block 1027 · Lot 5 · 11215

521 3 Avenue

3 floors · 19,512 sq ft · built 1931 · class K4 · owner of record: Brooklyn Third Avenue Llc

5open violations
$17,500ECB/OATH penalties owed
0HPD class C (immediately hazardous)
65dto Gas piping inspection (2026 cycle)

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

Compliance deadlines

RequirementDueStatus
Gas piping inspection (2026 cycle) Likely applies
Local Law 152 · During 2026
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 6 is on the 2026 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2026
in 65 days
Due this year
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 65 days
Keep the report on file (not filed with DOB)

Open violations

ECB / OATH (5) · $17,500 owed
IssuedViolationHearingBalance
Dec 12, 2024Construction CLASS - 2
AT TIME OF INSPECTION OBSERVED TEMPORARY CONSTRUCTION FENCE IN PLACE AT EXPOSURE #1 WITH EXPIRE PERMIT UNDER B00031584-I1-FN. UPON REVIEW DEPARTMENT OF RECORDS TO VERIFY TEMPORARY CONSTRUCTION FENCE HAS A VALID
#39535082R
Feb 19, 2025
DEFAULT
$6,250
Dec 27, 2022Construction CLASS - 2
AT TIME OF INSPECTION OBSERVED A TEMPORARY CONSTRUCTION EQUIPMENT AT EXPOSURES 1 & 4, UPON REVIEW OF DEPARTMENTAL RECORDS TO SEE IF THE TEMPORARY CONSTRUCTION EQUIPMENT HAS A VALID PERMIT, UPON REVIEW OF DEPART
#39510824X
Oct 2, 2023
IN VIOLATION
$1,250
Dec 27, 2022Construction CLASS - 2
AT THE TIME OF INSPECTION, OBSERVED TEMPORARY CONSTRUCTION EQUIPMENT ERECTED AT EXPOSURE 1 & 4,, AT EXPOSURE 4 OBSERVED THE TEMPORARY CONSTRUCTION EQUIPMENT FELL DOWN BLOCKING THE SIDEWALK. FAILURE TO SAFEGUAR
#39510823Y
Sep 18, 2023
IN VIOLATION
$5,000
Jun 4, 2020Construction CLASS - 1
BC3306.5.1=DEFICIENT DRAWINGS THE RESPONDANT ,REGISTERED PROFESSIONAL FILED TO MEET TH EMINIMUM REQUIREMENTS (AC28-101.2) SET FORTH IN BC 3306.5.1 BC 3306.5.1. MANDATES DEMOLITION TO HAVE PIONS,SECTIONS,DETAI
#35412348J
Nov 18, 2020
IN VIOLATION
$2,500
Mar 5, 2020Site Safety CLASS - 1
NO COMPETENT PERSON PRESENT AT SITE. AT TIME OF INSPECTION AT AN ACTIVE ALTERATION CONSTRUCTION JOB SITE,UPON ASKING THE WORKERS FOR THE CONSTRUCTION SUPERINTENDENT. THEY RESPONDENT BY SAYING,THE CONSTRUCTION
#35479227J
Apr 8, 2021
IN VIOLATION
$2,500
DOB (0)

None open.

DOB NOW Safety (3)
IssuedViolationStatus
Oct 31, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle C (premises is in Community District 6)
Active
Oct 31, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle C (premises is in Community District 6)
Active
Oct 31, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle C (premises is in Community District 6)
Active
HPD (1) · C 0 · B 1 · A 0
IssuedClassViolationCorrect by
Sep 1, 2009BSECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOCKING DEVICE ENTRANCE DOOR TO BASEMENT STORY.Oct 6, 2009

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 27, 2026, 12:47 AM ET. BBL 3010270005.

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