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Old law tenement
423 EAST 78 STREET
MANHATTAN · Upper East Side-Lenox Hill-Roosevelt Island · BIN 1046024
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1910Year Built
4Stories
C4Building Class
R8BZoning
—Gross Floor Area
8Units
4 Open Violations 3 unresolved · 1 paperwork only ▸
Old law tenement · Owner of record: 423 E. 78 REALTY LLC · 2.75 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
SASSOUNI MANAGEMENT603/21/2026
423 E. 78 REALTY LLC203/22/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MEIR MAMANElectrical203/21/2026
GREGORY, OWENElectrical103/21/2026
LEE, ASTLEYElectrical103/21/2026
Building Lifecycle
All (12)Violation (12)
09/25/2025
Violation issued (HPD, closed)
B
09/25/2025
Violation issued (HPD, closed)
B
03/15/2023
Violation issued (HPD, closed)
A
10/02/2019
Violation issued (HPD, closed)
B
10/02/2019
Violation issued (HPD, closed)
C
12/13/2011
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/06/2005
Violation issued (HPD, open)
B
03/18/1994
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/18/1993
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/06/1990
Violation issued (HPD, open)
B
06/06/1990
Violation issued (HPD, open)
B
01/17/1990
Violation issued (ECB, open)
Boilers
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISOTISSUEDHW INTERIOR RENOVATION03/17/2008
BISOTISSUEDHERBERT ROSE INC03/01/2004
BISMHISSUEDY&B CONSTRUCTION CORP08/11/1997
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 10 on file (BIS + DOB NOW)
▸Applications & Permits1
▸BISPLAN / WORK APPROVAL APPLICATION1
03/15/2008110112413Open ↗
▸Seals & Professional Certifications3
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
03/17/2008110112413Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
03/15/2008110112413Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
03/15/2008110112413Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING1
03/15/2008110112413Open ↗
▸Environmental & Asbestos2
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'2
03/15/2008110112413Open ↗
03/15/2008110112413Open ↗
▸Approvals, Objections & Sign-offs1
▸BISADMINISTRATIVE OBJECTIONS1
03/15/2008110112413Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
03/17/2008110112413Open ↗
▸Filing & Intake Forms1
▸BISeFiling Job Application Cover Sheet1
03/15/2008110112413Open ↗