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1720 Mermaid Avenue

BrooklynBIN 3189574
4 open Class CHPD registration valid
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OverviewHealth scoreTimelineFinesOwner
Open Class C
4
Immediately hazardous
Open Class B
24
Hazardous
Open Class A
0
Non-hazardous
Fines due
$0.00
Balance on OATH/ECB summonses
Permits on file
0
DOB permit records
Last activity
Dec 23, 2025
Bedbugs record

Building health score

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

D
Health score · Jul 30, 2026
Scored from all 139 public records for this building
Open Class C violations
Immediately hazardous, uncertified
This building 4
Open Class B violations
Hazardous
This building 24
Heat & hot water records
Violations and complaints, last 24 months
This building 0
Unpaid penalties
OATH/ECB summonses with balance due
This building $0
Bedbug filings with infestations
Annual LL69 filings on record
This building 0
Tenant litigation
Open HP actions in Housing Court
This building 1
Active vacate order
HPD or FDNY order to vacate, still in effect
This building No

Unified timeline

Every record from every agency, interleaved. 139 records on file.

Download this timeline (CSV) →
Dec 23, 2025
Aug 3, 2025
Dec 4, 2024
Sep 23, 2024
Nov 21, 2023
Jun 30, 2023
Jun 30, 2023
Jun 20, 2023
Jun 20, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Apr 25, 2023
Nov 10, 2022
Apr 30, 2022
Mar 1, 2022
Apr 12, 2021
Dec 16, 2019
Dec 16, 2019
Nov 8, 2019
Oct 30, 2019
Oct 29, 2019
Jul 22, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Feb 8, 2019
Jul 23, 2018
Jul 23, 2018

OATH / ECB summonses & fines

No balance is recorded as due across the 5 summonses below, out of $67,500.00 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 1720 Mermaid Avenue
1733058May 16, 20165B,6A,15,16,34B,38,50,50A,50B,50C,50D. AS PER CLASS 2 (B265) 28-303.7Jul 11, 2016WRITTEN OFF
1620153Jan 29, 2014FAILURE TO MAINTAIN BLDG EXTERIOR PARAPET WALL HAS STEP CRACKS MISSINGMar 17, 2014WRITTEN OFF
1604708Nov 14, 2013FAILURE TO MAINTAIN EXTERIOR PARAPET WALL HAS STEP CRACKS MISSING MORTDec 30, 2013WRITTEN OFF
1585234Sep 12, 2013FAILURE TO MAINTAIN BLDG WALLS OR APPURTENANCES: NOTED: AT FRONT OF BLOct 28, 2013WRITTEN OFF
1578816Jul 3, 2013FAILURE TO MAINTAIN BLDG EXTERIOR WALL DEFECT NOTED AT EXPOSURE 1 PARAAug 19, 2013WRITTEN OFF