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Walk-up cooperative
409 WEST 21 STREET
MANHATTAN · Chelsea-Hudson Yards · BIN 1012634
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1853Year Built
4Stories
C6Building Class
R7BZoning
—Gross Floor Area
5Units
0 Open Violations
Walk-up cooperative · Owner of record: CHELSEA SQUARE NORTH INC · 2.87 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
CHELSA SQ N CORP C OFENWICK KEAT403/21/2026
C O FENWICK KEATS MANAGEMENT IN203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HOWARD LEWINElectrical103/21/2026
Building Lifecycle
All (4)Violation (4)
06/04/2025
Violation issued (HPD, closed)
A
04/01/2024
Violation issued (HPD, closed)
A
11/15/2023
Violation issued (HPD, closed)
I
03/15/2023
Violation issued (HPD, closed)
A
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISOTISSUEDPRESERV BLD RESTOR MGT IN10/05/2012
BISEQISSUEDEVEREST SCAFFOLDING INC06/19/2012
BISEQISSUEDEVEREST SCAFFOLDING INC06/18/2012
BISOTISSUEDPRESERV BLD RESTOR MGT IN10/12/2011
BISEQISSUEDEVEREST SCAFFOLDING INC07/14/2011
BISEQISSUEDEVEREST SCAFFOLDING INC07/14/2011
BISOTISSUEDPRESERV BLD RESTOR MGT IN07/11/2011
BISOTISSUEDWAI KEE CONSTRUCTION INC03/18/2011
BISMHISSUEDWAI KEE CONSTRUCTION INC04/07/2010
BISOTISSUEDWAI KEE CONSTRUCTION INC03/17/2010
BISOTISSUEDWAI KEE CONSTRUCTION INC03/17/2010
BISOTISSUEDPRESERV BLD RESTOR MGT IN10/19/2007
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 91 on file (BIS + DOB NOW)
▸Applications & Permits23
▸BISWORK PERMIT APPLICATION11
10/15/2012120518421Open ↗
06/25/2012120757298Open ↗
06/20/2012120761238Open ↗
Showing 3 of 11 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION11
02/20/2014120057142Open ↗
10/24/2013120518421Open ↗
06/19/2012120518421Open ↗
Showing 3 of 11 on file for this type
▸BISNon-Directive 14 Construction Sign Off Including Sign Applications1
04/08/2013120761238Open ↗
▸Seals & Professional Certifications21
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION19
05/13/2014120057142Open ↗
05/13/2014120057142Open ↗
05/13/2014120057142Open ↗
Showing 3 of 19 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
07/18/2011120757298Open ↗
07/15/2011120761238Open ↗
▸Trade Schedules & Equipment5
▸BISSELF-CERT PLUMBING NOTICE2
01/04/2011120057142Open ↗
10/15/2010120057142Open ↗
▸BISEQUIPMENT USE PERMITS1
03/13/2014120057142Open ↗
▸BISSCHEDULE B - PLUMBING1
06/12/2009120057142Open ↗
▸BISEQUIPMENT USE APPLICATION-PERMIT1
03/13/2014120057142Open ↗
▸Environmental & Asbestos6
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'4
07/18/2011120757298Open ↗
11/05/2010120518421Open ↗
06/12/2009120057142Open ↗
Showing 3 of 4 on file for this type
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
07/15/2011120761238Open ↗
▸BISASBESTOS-CERTIFICATION (DEP ACP5)1
08/09/2011120757298Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
02/26/2014120518421Open ↗
▸Approvals, Objections & Sign-offs13
▸BISLANDMARKS APPROVAL5
05/13/2014120057142Open ↗
02/26/2014120518421Open ↗
01/29/2014120518421Open ↗
Showing 3 of 5 on file for this type
▸BISADMINISTRATIVE OBJECTIONS4
07/18/2011120757298Open ↗
07/15/2011120761238Open ↗
11/05/2010120518421Open ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST4
05/13/2014120057142Open ↗
02/26/2014120518421Open ↗
04/08/2013120757298Open ↗
Showing 3 of 4 on file for this type
▸Cost, Insurance & Ownership8
▸BISCOST AFFIDAVIT8
05/13/2014120057142Open ↗
02/26/2014120518421Open ↗
06/18/2012120518421Open ↗
Showing 3 of 8 on file for this type
▸Filing & Intake Forms11
▸BISEFILING COVER SHEET6
07/18/2011120757298Open ↗
07/15/2011120761238Open ↗
11/05/2010120518421Open ↗
Showing 3 of 6 on file for this type
▸BISADDITIONAL INFORMATION5
03/11/2014120057142Open ↗
01/29/2014120518421Open ↗
07/17/2012120518421Open ↗
Showing 3 of 5 on file for this type
▸Other Documents3
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION3
04/08/2013120757298Open ↗
07/17/2012120518421Open ↗
06/20/2012120761238Open ↗