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Walk-up cooperative
405 WEST 21 STREET
MANHATTAN · Chelsea-Hudson Yards · BIN 1012636
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1853Year Built
4Stories
C6Building Class
R7BZoning
—Gross Floor Area
12Units
1 Open Violation 0 unresolved · 1 paperwork only ▸
Walk-up cooperative · Owner of record: CHELSEA GARDENS APT. CORP. · 3.07 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
CHELSEA GARDENS APT. CORP.203/22/2026
CHELSEA GARDEN INC C/O CH103/22/2026
CHELSEA GARDENS APARTMENT903/21/2026
Building Lifecycle
All (14)Violation (14)
04/29/2026
Violation issued (HPD, closed)
A
02/16/2022
Violation issued (HPD, closed)
A
10/26/2021
Violation issued (ECB, open)
Boilers
04/01/2021
Violation issued (HPD, closed)
A
08/05/2020
Violation issued (HPD, closed)
A
08/05/2020
Violation issued (HPD, closed)
A
08/05/2020
Violation issued (HPD, closed)
A
08/05/2020
Violation issued (HPD, closed)
A
10/25/2019
Violation issued (HPD, closed)
I
10/01/2015
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/29/2007
Violation issued (HPD, closed)
B
01/19/2007
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/13/2004
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/19/2003
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISPLISSUEDTRIPLE CROWN PLBG&HTG INC03/15/2017
BISPLISSUEDTRIPLE CROWN PLBG&HTG INC02/14/2013
BISOTISSUEDDIAGRAMA CONSTRUCTION LLC01/14/2013
BISOTISSUEDDIAGRAMA CONSTRUCTION LLC03/13/2012
BISOTISSUEDDIAGRAMA CONSTRUCTION LLC03/13/2012
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 48 on file (BIS + DOB NOW)
▸Applications & Permits10
▸BISPLAN / WORK APPROVAL APPLICATION6
06/06/2018120713317Open ↗
05/09/2017120713317Open ↗
12/29/2016120713317Open ↗
Showing 3 of 6 on file for this type
▸BISWORK PERMIT APPLICATION4
04/04/2017120713317Open ↗
02/19/2013120713317Open ↗
03/15/2012120713317Open ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications12
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION7
11/03/2016122930551Open ↗
06/16/2016120713317Open ↗
06/16/2016120713317Open ↗
Showing 3 of 7 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM2
06/14/2011120713317Open ↗
06/14/2011120713317Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
11/03/2016122930551Open ↗
06/14/2011120713317Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
11/03/2016122930551Open ↗
▸Trade Schedules & Equipment4
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE3
06/06/2018120713317Open ↗
05/09/2017120713317Open ↗
12/29/2016120713317Open ↗
▸BISSCHEDULE B - PLUMBING1
06/14/2011120713317Open ↗
▸Safety & Tenant Protection1
▸BISTenant Protection Plan and Notes1
11/03/2016122930551Open ↗
▸Environmental & Asbestos2
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
11/03/2016122930551Open ↗
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
06/14/2011120713317Open ↗
▸Energy Compliance5
▸BISTECHNICAL REPORT: ENERGY2
06/14/2011120713317Open ↗
06/14/2011120713317Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2
11/03/2016122930551Open ↗
06/16/2016120713317Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
06/16/2016120713317Open ↗
▸Approvals, Objections & Sign-offs3
▸BISLANDMARKS APPROVAL2
11/03/2016122930551Open ↗
06/14/2011120713317Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
06/16/2016120713317Open ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT5
11/03/2016122930551Open ↗
06/16/2016120713317Open ↗
06/16/2016120713317Open ↗
Showing 3 of 5 on file for this type
▸Filing & Intake Forms5
▸BISEFILING COVER SHEET3
11/03/2016122930551Open ↗
06/14/2011120713317Open ↗
06/14/2011120713317Open ↗
▸BISADDITIONAL INFORMATION1
03/09/2017120713317Open ↗
▸BISBOROUGH INTAKE FORM1
06/06/2018120713317Open ↗
▸Other Documents1
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
06/16/2011120713317Open ↗