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Walk-up cooperative
335 WEST 21 STREET
MANHATTAN · BIN 1013292
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1920Year Built
5Stories
C6Building Class
R7BZoning
10,250 sfGross Floor Area
20Units
Rent Stabilized0 Open Violations
Walk-up cooperative · Owner of record: 331-5 W 21 STREET COR · 2,469 sf lot · 4.15 FAR built · Flood zone X
Locations of Work
StructuralPlumbingGeneral
Floor 26p · 2 filings · 14 docs
Floor 1
1 job · most recent 06/03/2024
Water/Sanitary
FiledStatusContractorScope
06/03/2024Permit IssuedINNOVATIVE HEATING SOLUTIWater/Sanitary
2 jobs · most recent 05/02/2026
General Wiring
FiledStatusContractorScope
05/02/2026Permit IssuedJ & Y ELECTRIC AND INTER*General Wiring
08/05/2024CompleteASCUATECH ELECTRICAL CORP—
Building Lifecycle
All (44)Filed (9)Permit Issued (8)Signed Off (5)Violation (10)Inspection (8)Objection (2)Special Inspection (2)
10/01/2025
Signed off — Alteration
PLUMBING WORK ASSOCIATED WITH (OT) JOB #M0116692. RELOCATION OF 1 FIXTURES AND 3 NEW FIXTURES FOR KITCHEN AND BATHROOM
M01166694-I1
07/02/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
06/16/2025
Signed off — Alteration
ENOVATION OF EXISTING UNIT #RE. REMOVE AND CONSTRUCT PARTITIONS. PLUMBING TO BE FILED UNDER SEPARATE APPLICATION. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01166692-I1
06/04/2025
Violation issued (HPD, closed)
A
05/20/2025
Filed — Alteration
PLUMBING WORK ASSOCIATED WITH (OT) JOB #M0116692. RELOCATION OF 1 FIXTURES AND 3 NEW FIXTURES FOR KITCHEN AND BATHROOM
M01166694-P1
05/12/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
03/21/2025
Permit issued — Plumbing
M01166694-I1-PL
03/18/2025
Permit issued — General Construction
M01166692-I1-GC
01/31/2025
Signed off — Alteration
INTERIOR RENOVATION OF UNIT 1RE AND 1RW ON THE 2ND FLOOR. REMOVAL AND INSTALLATION OF NON-LOADBEARING PARTITIONS, NEW FINISHES AND MILLWORK PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01056827-I1
01/31/2025
Objection raised — Scope
01/31/2025
Objection resolved — Addressed
01/28/2025
Filed — Alteration
PLUMBING WORK ASSOCIATED WITH (OT) JOB #M0116692. RELOCATION OF 1 FIXTURES AND 3 NEW FIXTURES FOR KITCHEN AND BATHROOM
M01166694-I1
01/28/2025
Filed — Alteration
ENOVATION OF EXISTING UNIT #RE. REMOVE AND CONSTRUCT PARTITIONS. PLUMBING TO BE FILED UNDER SEPARATE APPLICATION. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01166692-I1
10/25/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/31/2024
Permit issued — General Construction
M01056827-I1-GC
07/23/2024
Permit issued — Plumbing
M01056926-I1-PL
07/19/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/03/2024
Filed — Alteration
INTERIOR RENOVATION OF UNIT 1RE AND 1RW ON THE 2ND FLOOR. REMOVAL AND INSTALLATION OF NON-LOADBEARING PARTITIONS, NEW FINISHES AND MILLWORK PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01056827-I1
06/03/2024
Filed — Alteration
COMBINE APARTMENTS 1RE & 1RW INTO ONE ON 2ND FLOOR. THIS APPLICATION IS FILED FOR PLUMBING WORK IN CONJUNCTION WITH GENERAL WORK TYPE (OT) APPLICATION #M01056827-I1, NO CHANGE IN USE, OCCUPANCY OR EGRESS.
M01056926-I1
05/24/2024
Special inspection requirement — Energy Code Compliance Inspections
Esther Cheung
12/01/2023
Inspection — Pass-Final PL - Underground
Pass
View inspection ↗
11/28/2023
Inspection — Fail-Final PL - Underground
Fail
View inspection ↗
10/16/2023
Inspection — Pass-Final PL - Underground
Pass
View inspection ↗
09/07/2023
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
11/02/2022
Violation issued (HPD, closed)
I
08/10/2022
Signed off — Alteration
INSTALLATION OF TEMPORARY 65' HIGH PIPE SCAFFOLD ORIGINATING (OFF SHED) FOR REMEDIAL REPAIR WORK AS PER PLAN. NO CHANGE IN USE EGRESS OR OCCUPANCY,PIPE SCAFFOLD SHALL COMPLY WITH CHAPTER#33 OF 2014 THE NY BUILDING CODE
M00223389-I1
08/10/2022
Signed off — Alteration
M00359004-I1
09/30/2021
Permit issued — Supported Scaffold
M00223389-I1-SF
04/01/2021
Violation issued (HPD, closed)
A
09/04/2020
Permit issued — Supported Scaffold
M00223389-I1-SF
06/19/2020
Permit issued — Sidewalk Shed
M00359004-I1-SH
06/18/2020
Filed — Alteration
M00359004-I1
10/08/2019
Filed — Alteration
INSTALLATION OF TEMPORARY 65' HIGH PIPE SCAFFOLD ORIGINATING (OFF SHED) FOR REMEDIAL REPAIR WORK AS PER PLAN. NO CHANGE IN USE EGRESS OR OCCUPANCY,PIPE SCAFFOLD SHALL COMPLY WITH CHAPTER#33 OF 2014 THE NY BUILDING CODE
M00223389-P2
10/08/2019
Special inspection requirement — Final
Sunil Saigal
09/23/2019
Filed — Alteration
INSTALLATION OF TEMPORARY 65' HIGH PIPE SCAFFOLD ORIGINATING (OFF SHED) FOR REMEDIAL REPAIR WORK AS PER PLAN. NO CHANGE IN USE EGRESS OR OCCUPANCY,PIPE SCAFFOLD SHALL COMPLY WITH CHAPTER#33 OF 2014 THE NY BUILDING CODE
M00223389-P1
09/12/2019
Filed — Alteration
INSTALLATION OF TEMPORARY 65' HIGH PIPE SCAFFOLD ORIGINATING (OFF SHED) FOR REMEDIAL REPAIR WORK AS PER PLAN. NO CHANGE IN USE EGRESS OR OCCUPANCY,PIPE SCAFFOLD SHALL COMPLY WITH CHAPTER#33 OF 2014 THE NY BUILDING CODE
M00223389-I1
09/12/2019
Permit issued — Supported Scaffold
M00223389-I1-SF
03/16/1999
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/04/1998
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
09/16/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/10/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/29/1995
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/18/1994
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/18/1993
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
DAISY MANAGEMENT807/08/2026
SOLSTICE PROJECT SERVICES LLC1107/08/2026
331-5 W 21 STREET COR103/22/2026
SOLSTICE RESIDENTAL GROUP, LLC403/21/2026
331-5 WEST 21ST STREET803/21/2026
331-335 W 21 STREET303/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JIWOO PARK ARCHITECTURE305/20/2025
CHEUNG SHOWMAN ARCHITECTS206/03/2024
GREEN DESIGN106/18/2020
ROYAL ENGINEERING, P.C310/08/2019
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ANDAMIO SCAFFOLDING LLCGeneral Contractor303/21/2026
EVEREST SCAFFOLDING INCGeneral Contractor307/08/2026
CIKU CONSTRUCTION LLCGeneral Contractor107/08/2026
HELLO CHAPTER LLCGeneral Contractor107/08/2026
FLINT MECHANICAL CORPPlumbing107/08/2026
INNOVATIVE HEATING SOLUTIPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CATALPA SPECIAL INSPECTIO2004101/28/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offFLINT MECHANICAL CORP03/21/2025
DOB NOWGeneral ConstructionSigned-offCIKU CONSTRUCTION LLC03/18/2025
DOB NOWGeneral ConstructionSigned-offHELLO CHAPTER LLC07/31/2024
DOB NOWPlumbingPermit IssuedMITIE PLUMBING & HTG CORP07/23/2024
DOB NOWSupported ScaffoldSigned-offANDAMIO SCAFFOLDING LLC09/30/2021
DOB NOWSupported ScaffoldSigned-offEVEREST SCAFFOLDING INC09/04/2020
DOB NOWSidewalk ShedSigned-offEVEREST SCAFFOLDING INC06/19/2020
DOB NOWSupported ScaffoldSigned-offEVEREST SCAFFOLDING INC09/12/2019
BISOTISSUEDACCURA REST.& WATERPROOF02/22/2022
BISOTISSUEDACCURA REST.& WATERPROOF03/01/2021
BISOTISSUEDACCURA REST.& WATERPROOF02/28/2020
BISOTISSUEDACCURA REST.& WATERPROOF11/21/2019
BISEQISSUEDEVEREST SCAFFOLDING INC09/24/2019
BISEQISSUEDEVEREST SCAFFOLDING INC10/03/2018
BISEQISSUEDEVEREST SCAFFOLDING INC10/16/2017
BISOTISSUEDNEW YORK ROOFSCAPES INC03/21/2014
BISOTISSUEDMASTER RESTORATION11/01/2000
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
07/02/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
05/12/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
10/25/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/19/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/01/2023Pass-Final PL - UndergroundPassView ↗
11/28/2023Fail-Final PL - UndergroundFailView ↗
10/16/2023Pass-Final PL - UndergroundPassView ↗
09/07/2023Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Special Inspection Requirements (DOB NOW) — 2
DateRequirementInspectorRole
05/24/2024Energy Code Compliance InspectionsEsther Cheungprogress
10/08/2019FinalSunil Saigalprogress
▾Documents — 85 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch5
08/27/2026M01056827-I1Request digital key ↗
08/27/2026M01056926-I1Request digital key ↗
08/23/2026M01166694-P1Request digital key ↗
Showing 3 of 5 on file for this type
▸DOB NOWPlans/Sketch - Supported Scaffold3
09/05/2026M00223389-I1Request digital key ↗
08/15/2026M00223389-P2Request digital key ↗
08/15/2026M00223389-P1Request digital key ↗
▸DOB NOWPlans/Sketch - Sidewalk Shed1
09/04/2026M00359004-I1Request digital key ↗
▸Applications & Permits13
▸BISWORK PERMIT APPLICATION7
11/22/2019123861366Open ↗
11/22/2019123861366Open ↗
11/22/2019123861366Open ↗
Showing 3 of 7 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION6
03/29/2019123861366Open ↗
04/27/2018123442079Open ↗
04/17/2018123442079Open ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications22
▸DOB NOWDPL-1: Design Professional Seal & Signature9
09/05/2026M00223389-I1Open ↗
09/05/2026M00223389-P1Open ↗
09/05/2026M00223389-P2Open ↗
Showing 3 of 9 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION8
11/13/2019123861366Open ↗
03/29/2019123861366Open ↗
04/17/2018123442079Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWProgress Inspector Seal & Signature2
08/27/2026M01056926-I1Open ↗
08/25/2026M00223389-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
10/14/2017140706662Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
10/14/2017140706662Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
10/14/2017140706662Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
04/17/2018123442079Open ↗
▸Safety & Tenant Protection7
▸DOB NOWTenant Protection Plan4
08/13/2026M00359004-I1Open ↗
08/13/2026M00223389-I1Open ↗
08/13/2026M00223389-P1Open ↗
Showing 3 of 4 on file for this type
▸BISTenant Protection Plan and Notes3
03/29/2019123861366Open ↗
04/17/2018123442079Open ↗
10/14/2017140706662Open ↗
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/23/2026M01166694-I1Open ↗
08/23/2026M01166694-P1Open ↗
08/13/2026M01166692-I1Open ↗
Showing 3 of 5 on file for this type
▸BISDEP ASBESTOS PROJECT COMPLETION FORM1
11/22/2019123861366Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
04/17/2018123442079Open ↗
▸Energy Compliance6
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4
03/29/2019123861366Open ↗
04/17/2018123442079Open ↗
04/17/2018123442079Open ↗
Showing 3 of 4 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS1
08/04/2014121865785Open ↗
▸BISELECTRICAL APPLICATION FOR SIDEWALK SHED LIGHTING1
10/14/2017140706662Open ↗
▸Inspections & Test Reports2
▸BISTECHNICAL REPORT: RESPONSIBILITY2
09/22/2020140706662Open ↗
10/14/2017140706662Open ↗
▸Approvals, Objections & Sign-offs6
▸BISLETTERS - SUPPORTING DOCUMENTATION3
09/24/2019140706662Open ↗
09/24/2019140706662Open ↗
03/29/2019123861366Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
09/22/2020140706662Open ↗
08/04/2014121865785Open ↗
▸BISSHED LETTER1
10/04/2018140706662Open ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT5
04/02/2019123861366Open ↗
04/17/2018123442079Open ↗
08/04/2014121865785Open ↗
Showing 3 of 5 on file for this type
▸Filing & Intake Forms7
▸BISEFILING COVER SHEET4
03/29/2019123861366Open ↗
04/17/2018123442079Open ↗
04/17/2018123442079Open ↗
Showing 3 of 4 on file for this type
▸BISADDITIONAL INFORMATION2
09/20/2019140706662Open ↗
06/03/2019123861366Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
10/14/2017140706662Open ↗