421 51 Street at a glance
421 51 Street, Brooklyn has 55 open city records on file, 5 of them Class C (immediately hazardous), and no balance recorded as due on OATH/ECB summonses. The most recent record is dated May 20, 2026.
Open Class C
5
Immediately hazardous — click to see them
Open Class B
34
Hazardous — click to see them
Open Class A
16
Non-hazardous — click to see them
Fines due
$0.00
Balance on OATH/ECB summonses
Open per unit
27.50
2 residential units · NYC average 0.37
Permits on file
8
Construction permits filed with DOB
Last activity
May 20, 2026
Bedbugs record
Health score for 421 51 Street
A composite of the public indicators below. How it is scored.
Record timeline for 421 51 Street
177 records on file, every agency interleaved. Class A, B and C are HPD’s hazard tiers: C is immediately hazardous, A and B explained here.
OATH / ECB summonses & fines at 421 51 Street
No balance is recorded as due across the 7 summonses below, out of $44,625.00 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.