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Walk-up cooperative
329 WEST 21 STREET
MANHATTAN · Chelsea-Hudson Yards · BIN 1078510
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1900Year Built
5Stories
C6Building Class
R7BZoning
7,400 sfGross Floor Area
11Units
Rent Stabilized4 Open Violations ▸
Walk-up cooperative · Owner of record: 329 W 21ST CORPORATION · 2,469 sf lot · 3 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
AARCO CONTRACTOR504/09/2026
329 W 21ST CORPORATION103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ASR ENGINEERING PC109/29/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ADVANCED BUILDERS SERVICES103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GREGORY PAPANTONIOUElectrical203/21/2026
LARRY ZASSMANElectrical203/21/2026
AARCO CONTRACTOR, LLCGeneral Contractor204/09/2026
RICHARD ESPOSITOElectrical103/21/2026
Building Lifecycle
All (15)Filed (1)Permit Issued (2)Signed Off (1)Violation (11)
01/05/2026
Signed off — Alteration
M01116042-I1
10/01/2024
Permit issued — Supported Scaffold
M01116042-I1-SF
10/01/2024
Permit issued — Supported Scaffold
M01116042-I1-SH
09/29/2024
Filed — Alteration
M01116042-I1
07/20/2021
Violation issued (HPD, closed)
C
07/20/2021
Violation issued (HPD, closed)
C
07/20/2021
Violation issued (HPD, closed)
C
07/20/2021
Violation issued (HPD, closed)
C
07/20/2021
Violation issued (HPD, closed)
C
10/26/2016
Violation issued (HPD, closed)
I
09/16/1997
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/10/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/29/1995
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/18/1994
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/18/1993
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSupported ScaffoldSigned-offAARCO CONTRACTOR, LLC10/01/2024
DOB NOWSupported ScaffoldSigned-offAARCO CONTRACTOR, LLC10/01/2024
BISOTISSUEDKAZER BLDS INC08/18/2004
2 projects · most recent 04/15/2022
General Wiring
FiledStatusContractorScope
04/15/2022CompleteVILLAGE ELECTL CONTRS INCGeneral Wiring
07/19/2021Permit IssuedALL WAYS ELECTRIC CORP.W—
Nothing on file for this building.
▾Documents — 2 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/26/2026M01116042-I1Request digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/26/2026M01116042-I1Open ↗