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634 Classon Avenue

BrooklynBIN 3027990
3 open Class C$5,000.00 recorded as dueHPD registration valid
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OverviewHealth scoreTimelineFinesOwner
Open Class C
3
Immediately hazardous
Open Class B
4
Hazardous
Open Class A
0
Non-hazardous
Fines due
$5,000.00
Balance on OATH/ECB summonses
Permits on file
3
DOB permit records
Last activity
May 13, 2026
ECB/OATH record

Building health score

A composite of public indicators. Every input is a public record. See the full methodology.

C
Health score · Jul 29, 2026
Scored from all 55 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 3
Open Class B violations
Hazardous
This building 4
Heat & hot water records
Violations and complaints, last 24 months
This building 0
Unpaid penalties
OATH/ECB summonses with balance due
This building $5,000
Bedbug filings with infestations
Annual LL69 filings on record
This building 0
Tenant litigation
Open HP actions in Housing Court
This building 0
Active vacate order
HPD or FDNY order to vacate, still in effect
This building No

Unified timeline

Every record from every agency, interleaved. 55 records on file.

Download this timeline (CSV) →
May 13, 2026
May 13, 2026
May 12, 2026
Dec 16, 2025
Jul 13, 2025
Jul 7, 2025
Dec 10, 2024
Jul 22, 2024
Dec 8, 2023
Jun 20, 2023
Jun 20, 2023
Jun 19, 2023
Jun 18, 2023
Jun 18, 2023
Jun 14, 2023
Jun 14, 2023
Jun 12, 2023
Jun 11, 2023
Mar 21, 2023
Mar 21, 2023
Feb 11, 2023
Dec 7, 2022
Dec 3, 2022
Jun 25, 2022
Apr 28, 2022
Apr 28, 2022
Jan 21, 2022
Oct 27, 2021
Aug 28, 2021
Aug 4, 2021

OATH / ECB summonses & fines

$5,000.00 is recorded as due across the 8 summonses below, out of $12,050.00 in penalties imposed. The city’s published records do not show whether a penalty was paid, reduced, or written off.

OATH and ECB summonses for 634 Classon Avenue
1835177May 13, 2026UNLAWFUL ACTS. FAILURE TO COMPLY WITH THE COMMISSIONER'S ORDER. FAILURJul 22, 2026IN VIOLATION$2,500.00
1835178May 13, 2026FAILURE TO COMPLY WITH THE COMMISSIONER'S ORDER TO FILE A CERTIFICATE Jul 22, 2026IN VIOLATION$1,250.00
1300356Jul 22, 2024FOR OCCUPANCY CONTRARY. AT TIME OF INSPECTION OBSERVED DETAILING CENTESep 25, 2024IN VIOLATION$1,250.00
290804Jun 18, 2023WORK WITHOUT A PERMIT: AT TIME OF INSPECTION, OBSERVED WORK IN PROGRESSep 27, 2023IN VIOLATION—
299845Jun 14, 2023WORK WITHOUT A PERMIT.ATOI-OBSERVED CREATION OF DOORWAY LEADING TO TOPSep 27, 2023IN VIOLATION—
1728408Mar 21, 2023FAILURE TO COMPLY WITH THE COMMISSION ORDER TO FILE A CERTIFICATE OF CJul 5, 2023IN VIOLATION—
1728411Mar 21, 2023WORK WITHOUT PERMIT. AT TIME OF INSPECTION OBSERVED GARAGE AT THE REARDec 11, 2023IN VIOLATION—
913782Aug 4, 2021OCCUPANCY CONTRARY TO THAT ALLOWED BY THE C OF O OF BUILDINGS DEPT RECJan 19, 2022IN VIOLATION—