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Converted dwellings or rooming house
23 WEST 90 STREET
MANHATTAN · Upper West Side (Central) · BIN 1081763
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1910Year Built
4Stories
C5Building Class
R7-2Zoning
76,968 sfGross Floor Area
96Units
LL97 Covered14 Open Violations ▸FDNY Report ↗
Converted dwellings or rooming house · Owner of record: NYC HOUSING AUTHORITY · 29,105 sf lot · 2.64 FAR built · Flood zone X
Locations of Work
PlumbingOther
Filed — no permit issued4p · 1 filing · 4 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NYCHA103/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NYCHA101/29/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
NYCHA103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ALAN MARGOLIN & ASSOC423101/29/2021
Building Lifecycle
All (2)Filed (1)Special Inspection (1)
01/29/2021
Filed — Alteration
REPLACE EXISTING GAS PIPE IN ITS ENTIRETY AFTER THE EXISTING GAS METER, THE EXISTING GAS METER IS TO REMAIN.THE REPLACEMENT WORK WILL INCLUDE FROM THE CELLAR LEVEL UP TO BASEMENT, FROM THE BASEMENT UP TO FIRSTFLOOR.
M00461315-I1
01/27/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
Young Suh
Nothing on file for this building.
1 project · most recent 01/29/2021
Gas
FiledStatusContractorScope
01/29/2021——Gas
▾Special Inspection Requirements (DOB NOW) — 1
DateRequirementInspectorRole
01/27/2021Fire-Resistant Penetrations and JointsYoung Suhspecial
▾Documents — 4 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch - Plumbing1
09/04/2026M00461315-I1Request digital key ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026M00461315-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/28/2026M00461315-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
08/13/2026M00461315-I1Open ↗