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Over six families without stores
420 EAST 83 STREET
MANHATTAN · Upper East Side-Yorkville · BIN 1050434
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1930Year Built
5Stories
C1Building Class
R8BZoning
8,345 sfGross Floor Area
12Units
Rent Stabilized3 Open Violations ▸
Over six families without stores · Owner of record: GRAD, LLC · 2,554 sf lot · 3.27 FAR built · Flood zone X
Locations of Work
Plumbing
Floor 15p · 1 filing · 20 docs
Cellar6p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
GRAD1103/22/2026
GRAD LLC AARON SCHWARTZ103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
KIT MIDDLETON ARCHITECT P.C.402/25/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KIT MIDDLETON ARCHITECT P C803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
LUIS JIMENEZElectrical303/21/2026
R.J.C. MECHANICAL CORPPlumbing107/08/2026
Building Lifecycle
All (12)Filed (4)Permit Issued (1)Violation (5)Inspection (2)
06/28/2022
Violation issued (ECB, closed)
Boilers
02/25/2022
Filed — Alteration
New-Cel-(1) electrical stack dryer, (1)FD, (2)washers, (1)SP head off domestic, (1)backflow preventer(secondary) and new gas piping 1fl; 1st fl-(1)DW. Rem-Cel-(1)WC,(1)LAV. Rep-1st fl-(1)WC,(1)LAV,(1)TUB. Rel-1st fl-(1)cooking equip-res, (1)sink-res
M00364815-P3
02/16/2022
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
11/03/2021
Filed — Alteration
New-Cel-(1) electrical stack dryer, (1)FD, (2)washers, (1)SP head off domestic, (1)backflow preventer(secondary) and new gas piping 1fl; 1st fl-(1)DW. Rem-Cel-(1)WC,(1)LAV. Rep-1st fl-(1)WC,(1)LAV,(1)TUB. Rel-1st fl-(1)cooking equip-res, (1)sink-res
M00364815-P2
10/13/2021
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
09/09/2021
Filed — Alteration
New-Cel-(1) electrical stack dryer, (1)FD, (2)washers, (1)SP head off domestic, (1)backflow preventer(secondary) and new gas piping 1fl; 1st fl-(1)DW. Rem-Cel-(1)WC,(1)LAV. Rep-1st fl-(1)WC,(1)LAV,(1)TUB. Rel-1st fl-(1)cooking equip-res, (1)sink-res
M00364815-P1
05/14/2021
Permit issued — Plumbing
M00364815-I1-PL
03/23/2021
Filed — Alteration
New-Cel-(1) electrical stack dryer, (1)FD, (2)washers, (1)SP head off domestic, (1)backflow preventer(secondary) and new gas piping 1fl; 1st fl-(1)DW. Rem-Cel-(1)WC,(1)LAV. Rep-1st fl-(1)WC,(1)LAV,(1)TUB. Rel-1st fl-(1)cooking equip-res, (1)sink-res
M00364815-I1
10/25/2016
Violation issued (HPD, closed)
I
08/15/2006
Violation issued (HPD, open)
A
08/15/2006
Violation issued (HPD, open)
B
10/10/1986
Violation issued (HPD, open)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedR.J.C. MECHANICAL CORP05/14/2021
BIS—ISSUEDONE WORLD BUILDERS LLC09/28/2022
BIS—ISSUEDLIPA CONSTRUCTION CORP01/04/2021
BISPLISSUEDPREMIER PIPE SOLUTIONS05/23/2019
BISOTISSUEDLIPA CONSTRUCTION CORP04/04/2019
BISOTISSUEDATHERAS CONSTRUCTION CORP08/11/2009
BISPLISSUEDBAXTER PLBG & HTG INC12/14/2005
BISOTISSUEDATHERAS CONSTRUC. CORP10/21/2005
BISFBISSUEDROCKWAY FUEL OIL CORP11/17/1997
BISPLISSUEDTILOS PLMB. & HTNG CORP09/11/1997
BISOTISSUEDG.PASTIS CONTRCTNG. CO08/19/1997
1 project · most recent 02/25/2022
Gas Plumbing-Sprinkler Water/Sanitary
FiledStatusContractorScope
02/25/2022Permit IssuedR.J.C. MECHANICAL CORPGas, Plumbing-Sprinkler, Water/Sanitary
2 projects · most recent 02/08/2022
General Wiring
FiledStatusContractorScope
02/08/2022CompleteL J ELEC'L SERV. INC.General Wiring
07/12/2019CompleteMACINTOSH ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
02/16/2022Pass-Final PL - Up to 3 Requested FloorsPassView ↗
10/13/2021Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Documents — 75 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch - Plumbing4
09/03/2026M00364815-I1Request digital key ↗
09/03/2026M00364815-P2Request digital key ↗
08/15/2026M00364815-P1Request digital key ↗
Showing 3 of 4 on file for this type
▸Applications & Permits12
▸BISWORK PERMIT APPLICATION7
09/29/2022140923990Open ↗
01/04/2021140923990Open ↗
05/24/2019123406233Open ↗
Showing 3 of 7 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION4
02/25/2022140923990Open ↗
07/28/2020140923990Open ↗
01/04/2019123406233Open ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
02/14/2022140923990Open ↗
▸Seals & Professional Certifications11
▸DOB NOWDPL-1: Design Professional Seal & Signature4
09/03/2026M00364815-P1Open ↗
09/03/2026M00364815-I1Open ↗
09/03/2026M00364815-P2Open ↗
Showing 3 of 4 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
02/05/2019123406233Open ↗
01/04/2019123406233Open ↗
07/31/2009120117499Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
07/28/2020140923990Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
07/31/2009120117499Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
07/28/2020140923990Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
08/03/2009120117499Open ↗
▸Trade Schedules & Equipment5
▸BISSELF-CERT PLUMBING NOTICE3
01/14/2010120117499Open ↗
12/30/2009120117499Open ↗
09/29/2009120117499Open ↗
▸BISSCHEDULE B - PLUMBING1
08/03/2009120117499Open ↗
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
01/04/2019123406233Open ↗
▸Safety & Tenant Protection8
▸DOB NOWTenant Protection Plan4
09/03/2026M00364815-I1Open ↗
09/03/2026M00364815-P1Open ↗
09/03/2026M00364815-P2Open ↗
Showing 3 of 4 on file for this type
▸BISTENANT PROTECTION PLAN AND NOTES2
07/28/2020140923990Open ↗
01/04/2019123406233Open ↗
▸BISSTREET TREE CHECKLIST1
07/28/2020140923990Open ↗
▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1
01/04/2019123406233Open ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
09/03/2026M00364815-I1Open ↗
09/03/2026M00364815-P2Open ↗
09/03/2026M00364815-P1Open ↗
Showing 3 of 4 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)2
07/28/2020140923990Open ↗
01/04/2019123406233Open ↗
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'2
08/03/2009120117499Open ↗
08/03/2009120117499Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
01/04/2019123406233Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
07/28/2020140923990Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
07/28/2020140923990Open ↗
▸Inspections & Test Reports2
▸BISTECHNICAL REPORT: RESPONSIBILITY2
12/16/2020140923990Open ↗
07/28/2020140923990Open ↗
▸Approvals, Objections & Sign-offs6
▸BISLETTERS - SUPPORTING DOCUMENTATION4
09/29/2022140923990Open ↗
04/04/2019123406233Open ↗
04/04/2019123406233Open ↗
Showing 3 of 4 on file for this type
▸BISADMINISTRATIVE OBJECTIONS1
07/31/2009120117499Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
12/16/2020140923990Open ↗
▸Cost, Insurance & Ownership4
▸BISCOST AFFIDAVIT3
07/28/2020140923990Open ↗
01/04/2019123406233Open ↗
08/03/2009120117499Open ↗
▸BISHIC LICENSE OR AFFIDAVIT1
08/13/2009120117499Open ↗
▸Filing & Intake Forms7
▸BISADDITIONAL INFORMATION4
02/28/2022140923990Open ↗
08/08/2019123406233Open ↗
01/04/2019123406233Open ↗
Showing 3 of 4 on file for this type
▸BISEFILING COVER SHEET2
01/04/2019123406233Open ↗
08/03/2009120117499Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
07/28/2020140923990Open ↗
▸Other Documents5
▸DOB NOWDHCR Document4
09/03/2026M00364815-I1Open ↗
09/03/2026M00364815-P2Open ↗
09/03/2026M00364815-P1Open ↗
Showing 3 of 4 on file for this type
▸BISPLOT DIAGRAM1
07/28/2020140923990Open ↗