423 Throop Avenue at a glance
423 Throop Avenue, Brooklyn has 209 open city records on file, 45 of them Class C (immediately hazardous), and no balance recorded as due on OATH/ECB summonses. The most recent record is dated Nov 14, 2025.
Open Class C
45
Immediately hazardous — click to see them
Open Class B
145
Hazardous — click to see them
Open Class A
19
Non-hazardous — click to see them
Fines due
$0.00
Balance on OATH/ECB summonses
Permits on file
6
Construction permits filed with DOB
Last activity
Nov 14, 2025
HPD record
Health score for 423 Throop Avenue
A composite of the public indicators below. How it is scored.
Record timeline for 423 Throop Avenue
Showing the 300 most recent of 360 records; the CSV has the full history. Class A, B and C are HPD’s hazard tiers: C is immediately hazardous, A and B explained here.
OATH / ECB summonses & fines at 423 Throop Avenue
No balance is recorded as due across the 10 summonses below, out of $65,625.00 in penalties imposed. Balances are as the city publishes them; a settlement or write-off that never reached the dataset will not show here. New to these? How an OATH summons becomes a penalty, explained.