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21 Adelphi Street

BrooklynBIN 3058012
2 open Class C$2,500.00 recorded as dueHPD registration valid
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21 Adelphi Street at a glance

21 Adelphi Street, Brooklyn has 6 open city records on file, 2 of them Class C (immediately hazardous), and $2,500.00 recorded as due on OATH/ECB summonses. The most recent record is dated Dec 21, 2023.

Open Class C
2
Immediately hazardous
Open Class B
4
Hazardous
Open Class A
0
Non-hazardous
Fines due
$2,500.00
Balance on OATH/ECB summonses
Permits on file
0
DOB permit records
Last activity
Dec 21, 2023
HPD record

Health score for 21 Adelphi Street

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

C
Health score · Aug 4, 2026
Scored from all 60 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 2
Open Class B violations
Hazardous
This building 4
Heat & hot water records
Violations and complaints, last 24 months
This building 2
Unpaid penalties
OATH/ECB summonses with balance due
This building $2,500
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

Record timeline for 21 Adelphi Street

Every record from every agency, interleaved. 60 records on file.

Download this timeline (CSV) →
May 1, 2026
Jun 6, 2025
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 21, 2023
Oct 4, 2023
Oct 4, 2023
Aug 21, 2023
Jun 22, 2023
Jun 22, 2023
Jun 21, 2023
Jun 20, 2023
Jun 20, 2023
Mar 21, 2023
Aug 11, 2022
Feb 23, 2022
Jun 7, 2021
Apr 22, 2021
Apr 22, 2021
Apr 21, 2021
Apr 20, 2021

OATH / ECB summonses & fines at 21 Adelphi Street

$2,500.00 is recorded as due across the 2 summonses below, out of $2,500.00 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 21 Adelphi Street
1742162Jun 22, 2023WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR APPROVOct 11, 2023IN VIOLATION$1,250.00
1742163Jun 22, 2023WORK WITHOUT PERMIT:NOTED:AT TIME OF INSPECTION OBSERVED WORK IN PROGROct 11, 2023IN VIOLATION$1,250.00