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Walk-up apt, over six families with stores
231 EAST 21 STREET
MANHATTAN · Gramercy · BIN 1019641
💬 Discuss this project
1920Year Built
6Stories
C7Building Class
R8BZoning
18,102 sfGross Floor Area
26Units
Rent Stabilized5 Open Violations ▸
Walk-up apt, over six families with stores · Owner of record: 21ST OWNER LLC · 4,543 sf lot · 3.98 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalPlumbing
Roof5p · 3 filings · 20 docs
Floor 631p · 1 filing · 8 docs
Floor 62
Floor 61
Floor 60
Floor 59
Floor 58
Floor 57
Floor 56
Floor 55
Floor 54
Floor 53
Floor 52
Floor 51
Floor 50
Floor 49
Floor 48
Floor 47
Floor 46
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Floor 33
Floor 32
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Floor 18
Floor 17
Floor 16
Floor 15
Floor 14
Floor 13
Floor 12
Floor 11
Floor 10
Floor 9
Floor 8
Floor 7
Floor 68p · 5 filings · 20 docs
Floor 5
Floor 46p · 3 filings · 20 docs
Floor 33p · 2 filings · 11 docs
Floor 24p · 3 filings · 20 docs
Floor 1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PEAK2107/08/2026
21ST OWNER LLC503/22/2026
227 EAST 21ST STREET L103/22/2026
THE OWNER OF203/22/2026
ORS REALTY103/22/2026
26 32 J803/21/2026
GERRY V MANAGEMENT803/21/2026
JERRY V MANAGEMENT903/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JAMES CHAI ARCHITECT, P.C.1310/28/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HTX BUILDING CONSULTING1303/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
JKO CONSTRUCTION & CONSU*General Contractor707/08/2026
PIPESTYLISTS, INCPlumbing207/08/2026
PEREIRA, WESLLEYElectrical103/21/2026
SENAD MEHOVICElectrical103/21/2026
MEIR MAMANElectrical103/21/2026
JKO USA MANAGEMENT INCGeneral Contractor107/08/2026
INNOVATION PLUMBING LLCPlumbing107/08/2026
ALPHONSE, MICHAELElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JAMES JH CHAI & ASSOCIATE64811310/28/2022
Building Lifecycle
All (124)Filed (13)Permit Issued (7)Signed Off (6)Violation (60)Inspection (8)Special Inspection (30)
04/06/2026
Violation issued (HPD, closed)
C
04/09/2024
Violation issued (HPD, closed)
A
04/09/2024
Violation issued (HPD, closed)
B
03/04/2024
Violation issued (HPD, closed)
C
01/06/2023
Signed off — Alteration
RENOVATE UNITS # 7, 10, 16, 18, 20, 21, 22, 24 INCLUDING REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARINGPARTITIONS,LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY
M00796287-I1
01/06/2023
Signed off — Alteration
PLUMBING WORK TO RENOVATE UNITS # 7, 16, 18, 20, 21, 22, 24. NO CHANGE TO USE, EGRESS OROCCUPANCY
M00796294-I1
12/16/2022
Permit issued — General Construction
M00796287-I1-GC
12/09/2022
Signed off — Alteration
RENOVATE UNITS #5, 6, 11, 14, 15, 17, 19, 25 INCLUDING REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, PLUMBING, LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00766926-I1
12/09/2022
Signed off — Alteration
RENOVATE COMMON HALLWAY FROM 1ST FLOOR TO ROOF & UNIT#12, INCLUDE REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00745521-I1
12/07/2022
Signed off — Alteration
PLUMBING WORK TO RENOVATE UNITS #5, 6, 11, 14, 15, 17, 19, 25. NO CHANGE TO USE, EGRESS OR OCCUPANCY
M00766939-I1
12/07/2022
Signed off — Alteration
PLUMBING WORK TO RENOVATE UNIT #12. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00745544-I1
12/05/2022
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
12/05/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
10/28/2022
Filed — Alteration
RENOVATE UNIT ON 3RD FLOOR, INCLUDING REMOVING AND INSTALLING NEW INTERIOR NON-LOADBEARING PARTITIONS, PLUMBING, LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OROCCUPANCY
M08028967-I1
10/28/2022
Filed — Alteration
PLUMBING WORK TO RENOVATE UNIT # 9 ON 3RD FLOOR. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M08028984-I1
10/27/2022
Special inspection requirement — Fire-Resistance Rated Construction
Joon Ho Chai
10/27/2022
Special inspection requirement — Lighting controls
Joon Ho Chai
10/27/2022
Special inspection requirement — Air barrier - visual inspection
Joon Ho Chai
10/27/2022
Special inspection requirement — Insulation placement and R values
Joon Ho Chai
10/27/2022
Special inspection requirement — Interior lighting power
Joon Ho Chai
10/27/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
10/27/2022
Special inspection requirement — Final
Joon Ho Chai
10/27/2022
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
10/26/2022
Filed — Alteration
PLUMBING WORK TO RENOVATE UNITS # 7, 16, 18, 20, 21, 22, 24. NO CHANGE TO USE, EGRESS OROCCUPANCY
M00796294-P1
10/26/2022
Filed — Alteration
RENOVATE UNITS # 7, 10, 16, 18, 20, 21, 22, 24 INCLUDING REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARINGPARTITIONS,LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY
M00796287-P1
10/26/2022
Special inspection requirement — Insulation placement and R values
Joon Ho Chai
10/26/2022
Special inspection requirement — Interior lighting power
Joon Ho Chai
10/26/2022
Special inspection requirement — Lighting controls
Joon Ho Chai
10/26/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
10/26/2022
Special inspection requirement — Final
Joon Ho Chai
10/26/2022
Special inspection requirement — Fire-Resistance Rated Construction
Joon Ho Chai
10/26/2022
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
10/26/2022
Special inspection requirement — Air barrier - visual inspection
Joon Ho Chai
10/26/2022
Special inspection requirement — Lighting in dwelling units
Joon Ho Chai
10/25/2022
Filed — Alteration
RENOVATE UNITS #5, 6, 11, 14, 15, 17, 19, 25 INCLUDING REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, PLUMBING, LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00766926-P1
10/25/2022
Special inspection requirement — Lighting in dwelling units
Joon Ho Chai
10/25/2022
Special inspection requirement — Lighting controls
Joon Ho Chai
10/25/2022
Special inspection requirement — Air barrier - visual inspection
Joon Ho Chai
10/25/2022
Special inspection requirement — Lighting controls
Joon Ho Chai
10/25/2022
Special inspection requirement — Air barrier - visual inspection
Joon Ho Chai
10/25/2022
Special inspection requirement — Lighting in dwelling units
Joon Ho Chai
10/25/2022
Special inspection requirement — Interior lighting power
Joon Ho Chai
10/25/2022
Special inspection requirement — Insulation placement and R values
Joon Ho Chai
10/25/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
10/25/2022
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
10/25/2022
Special inspection requirement — Final
Joon Ho Chai
10/25/2022
Special inspection requirement — Fire-Resistance Rated Construction
Joon Ho Chai
10/25/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
10/24/2022
Filed — Alteration
PLUMBING WORK TO RENOVATE UNITS #5, 6, 11, 14, 15, 17, 19, 25. NO CHANGE TO USE, EGRESS OR OCCUPANCY
M00766939-P1
10/24/2022
Filed — Alteration
PLUMBING WORK TO RENOVATE UNIT #12. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00745544-P1
09/28/2022
Violation issued (HPD, closed)
A
09/28/2022
Violation issued (HPD, closed)
A
09/28/2022
Violation issued (HPD, closed)
A
09/28/2022
Violation issued (HPD, closed)
A
09/28/2022
Violation issued (HPD, closed)
A
09/28/2022
Violation issued (HPD, closed)
A
09/28/2022
Violation issued (HPD, closed)
A
09/28/2022
Violation issued (HPD, closed)
A
09/16/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
09/06/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
Latest 60 of 124 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offJKO USA MANAGEMENT12/16/2022
DOB NOWPlumbingSigned-offINNOVATION PLUMBING LLC08/31/2022
DOB NOWGeneral ConstructionSigned-offJKO CONSTRUCTION & CONSU*08/23/2022
DOB NOWPlumbingSigned-offT & T PLUMBING INC07/08/2022
DOB NOWGeneral ConstructionSigned-offJKO CONSTRUCTION & CONSU*07/06/2022
DOB NOWPlumbingSigned-offT & T PLUMBING INC06/24/2022
DOB NOWGeneral ConstructionSigned-offJKO CONSTRUCTION & CONSU*06/06/2022
BISPLISSUEDG.P. MECHANICAL CORP03/27/2017
BISOTISSUEDD.G CONTRACTORS, INC03/06/2017
BISOTISSUEDD.G CONTRACTORS, INC10/14/2016
BISOTISSUEDD.G CONTRACTORS, INC03/10/2014
BISOTISSUEDD.G CONTRACTORS, INC03/06/2012
BISOTRE-ISSUEDEXTRA VANTAGE CONST. INC07/25/2011
BISOTISSUEDP.D.P. CONTRACTING INC01/15/2010
BISOTISSUEDP.D.P. CONTRACTING INC11/09/2009
BISOTISSUEDAIA BORTHER INC10/29/2003
BISPLISSUEDGA PLUMB HET SPRIM INC09/17/2003
BISOTISSUEDARCH CONSTRUCTION CO.,INC.07/14/2003
BISOTISSUEDDEUTAL HOME IMPROVEMENT08/06/2002
BISOTISSUEDMUNICIPAL BUILDING CONSULTANTS03/20/2001
BISOTISSUEDGRAND STREET PARTNERS,LLC05/14/1999
BISOTISSUEDGRAND STREET PARTNERS LLC12/03/1998
BISFSISSUEDMARLANDE HTG CORP04/29/1997
BISEQISSUEDPORTCHESTER SCAFFOLDING09/24/1996
BISOTISSUEDNAZ RELIABLE CONTRACTING CO INC08/30/1996
1 project · most recent 10/28/2022
Water/Sanitary
FiledStatusContractorScope
10/28/2022——Water/Sanitary
3 projects · most recent 01/11/2023
General Wiring
FiledStatusContractorScope
01/11/2023Permit IssuedE & M ELECTRICAL NY CORPGeneral Wiring
09/05/2022Permit IssuedE & M ELECTRICAL NY CORPGeneral Wiring
08/31/2022Permit IssuedE & M ELECTRICAL NY CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
12/05/2022Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
12/05/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
09/16/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
09/06/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
08/04/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/25/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/19/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/11/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 39
DateRequirementInspectorRole
10/27/2022Fire-Resistance Rated ConstructionJoon Ho Chaiprogress
10/27/2022Lighting controlsJoon Ho Chaienergy_progress
10/27/2022Air barrier - visual inspectionJoon Ho Chaienergy_progress
10/27/2022Insulation placement and R valuesJoon Ho Chaienergy_progress
10/27/2022Interior lighting powerJoon Ho Chaienergy_progress
10/27/2022Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
10/27/2022FinalJoon Ho Chaiprogress
10/27/2022Energy Code Compliance InspectionsJoon Ho Chaiprogress
10/26/2022Insulation placement and R valuesJoon Ho Chaienergy_progress
10/26/2022Interior lighting powerJoon Ho Chaienergy_progress
10/26/2022Lighting controlsJoon Ho Chaienergy_progress
10/26/2022Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
10/26/2022FinalJoon Ho Chaiprogress
10/26/2022Fire-Resistance Rated ConstructionJoon Ho Chaiprogress
10/26/2022Energy Code Compliance InspectionsJoon Ho Chaiprogress
10/26/2022Air barrier - visual inspectionJoon Ho Chaienergy_progress
10/26/2022Lighting in dwelling unitsJoon Ho Chaienergy_progress
10/25/2022Lighting in dwelling unitsJoon Ho Chaienergy_progress
10/25/2022Lighting controlsJoon Ho Chaienergy_progress
10/25/2022Air barrier - visual inspectionJoon Ho Chaienergy_progress
10/25/2022Lighting controlsJoon Ho Chaienergy_progress
10/25/2022Air barrier - visual inspectionJoon Ho Chaienergy_progress
10/25/2022Lighting in dwelling unitsJoon Ho Chaienergy_progress
10/25/2022Interior lighting powerJoon Ho Chaienergy_progress
10/25/2022Insulation placement and R valuesJoon Ho Chaienergy_progress
Latest 25 of 39.
▾Documents — 183 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
09/02/2026M00745521-I1Request digital key ↗
09/02/2026M00766926-I1Request digital key ↗
09/02/2026M00766926-P1Request digital key ↗
Showing 3 of 13 on file for this type
▸Applications & Permits22
▸BISPLAN / WORK APPROVAL APPLICATION11
10/02/2020140954821Open ↗
09/24/2020140954821Open ↗
03/06/2017122999639Open ↗
Showing 3 of 11 on file for this type
▸BISWORK PERMIT APPLICATION11
04/06/2017122999639Open ↗
03/09/2017122999639Open ↗
10/19/2016122883610Open ↗
Showing 3 of 11 on file for this type
▸Seals & Professional Certifications58
▸DOB NOWDPL-1: Design Professional Seal & Signature13
09/02/2026M00766926-I1Open ↗
09/02/2026M00796287-I1Open ↗
09/02/2026M00796294-I1Open ↗
Showing 3 of 13 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION10
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
03/14/2014121942684Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWProgress Inspector Seal & Signature10
09/05/2026M08028967-I1Open ↗
09/05/2026M08028967-I1Open ↗
09/01/2026M00796287-I1Open ↗
Showing 3 of 10 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST8
10/19/2016122883610Open ↗
03/14/2014121942684Open ↗
03/08/2012120992480Open ↗
Showing 3 of 8 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM6
03/08/2012120992480Open ↗
08/02/2011120766778Open ↗
12/30/2010120565717Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/05/2026M08028967-I1Open ↗
09/01/2026M00796287-I1Open ↗
09/01/2026M00796287-P1Open ↗
Showing 3 of 6 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT3
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
03/14/2014121942684Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
09/24/2020140954821Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
09/24/2020140954821Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
03/06/2017122999639Open ↗
▸Safety & Tenant Protection3
▸BISTenant Protection Plan and Notes3
09/24/2020140954821Open ↗
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
▸Environmental & Asbestos26
▸DOB NOWDEP ACP-5: Asbestos Assessment Report13
09/02/2026M00766926-I1Open ↗
09/02/2026M00796287-I1Open ↗
09/02/2026M00796294-I1Open ↗
Showing 3 of 13 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'8
03/08/2012120992480Open ↗
08/02/2011120766778Open ↗
12/30/2010120565717Open ↗
Showing 3 of 8 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)5
09/24/2020140954821Open ↗
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
Showing 3 of 5 on file for this type
▸Energy Compliance11
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
10/19/2016122883610Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWEN2: As Built Energy Analysis3
08/13/2026M00796287-I1Open ↗
08/13/2026M00766926-I1Open ↗
08/13/2026M00745521-I1Open ↗
▸BISTECHNICAL REPORT: ENERGY2
03/08/2012120992480Open ↗
08/02/2011120766778Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
09/24/2020140954821Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
10/05/2020140954821Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
09/24/2020140954821Open ↗
▸Approvals, Objections & Sign-offs11
▸BISADMINISTRATIVE OBJECTIONS9
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
03/14/2014121942684Open ↗
Showing 3 of 9 on file for this type
▸BISCERTIFICATE OF OCCUPANCY - LOC: REQUEST1
01/11/2011120193931Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
10/05/2020140954821Open ↗
▸Cost, Insurance & Ownership25
▸BISHIC LICENSE OR AFFIDAVIT14
03/09/2017122999639Open ↗
10/19/2016122883610Open ↗
03/17/2014121942684Open ↗
Showing 3 of 14 on file for this type
▸BISCOST AFFIDAVIT11
09/24/2020140954821Open ↗
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
Showing 3 of 11 on file for this type
▸Filing & Intake Forms11
▸BISEFILING COVER SHEET9
03/06/2017122999639Open ↗
10/19/2016122883610Open ↗
03/14/2014121942684Open ↗
Showing 3 of 9 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET1
09/24/2020140954821Open ↗
▸BISADDITIONAL INFORMATION1
10/05/2020140954821Open ↗
▸Other Documents1
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
10/05/2020140954821Open ↗