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General warehouse
5621 20 AVENUE
BROOKLYN · BIN 3131009
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1931Year Built
3Stories
E1Building Class
R5Zoning
14,780 sfGross Floor Area
2Units
0 Open ViolationsFDNY Report ↗
General warehouse · Owner of record: 2001 57TH STREET LLC · 4,580 sf lot · 3.23 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalMechanicalGeneral
Roof3p · 3 filings · 8 docs
Floor 31p · 1 filing · 3 docs
Floor 2
Floor 11p · 1 filing · 3 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MADISON MANAGEMENT GROUP LLC807/08/2026
AT&T MOBILITY507/08/2026
2001 57TH STREET LLC C/O103/22/2026
AT&T103/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ALBERTO ROMAN107/08/2020
DOUGLAS ACKERMAN106/02/2020
CHOSEN MEP, CORP.112/13/2019
TECTONIC ENGINEERING103/09/2018
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
XPDITE GROUP LLC (104)403/21/2026
CCM CONSULTING GROUP, INC.203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BT'S PLUMBING AND HEATINGPlumbing403/22/2026
PARK HILL DESIGN INCGeneral Contractor307/08/2026
PETER MILEVSKIElectrical103/21/2026
TREVOR DUNWELLElectrical103/21/2026
JOHN AHRENSElectrical103/21/2026
SECTORSITE, LLCGeneral Contractor107/08/2026
IRONBO, INCGeneral Contractor107/08/2026
MOISHE KLEINElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AR-TECH ENGINEERING, P.C.6659107/08/2020
ESNYC CONSULTING INC4099112/13/2019
TECTONIC ENGINEERING CONS106103/09/2018
Building Lifecycle
All (25)Filed (4)Permit Issued (4)Signed Off (4)Violation (13)
06/20/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/19/2022
Signed off — Alteration
B00022628-I1
03/30/2022
Violation issued (ECB, closed)
Construction
12/22/2020
Signed off — Alteration
B00343156-I1
08/20/2020
Signed off — Alteration
B00367899-I1
07/31/2020
Permit issued — Antenna
B00343156-I1-AN
07/23/2020
Permit issued — Mechanical Systems
B00367899-I1-MS
07/08/2020
Filed — Alteration
B00367899-I1
06/19/2020
Signed off — Alteration
B00281324-I1
06/02/2020
Filed — Alteration
B00343156-I1
01/03/2020
Permit issued — Mechanical Systems
B00281324-I1-MS
12/13/2019
Filed — Alteration
B00281324-I1
09/06/2019
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
06/22/2018
Permit issued — Antenna
B00022628-I1-AN
04/06/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/09/2018
Filed — Alteration
B00022628-I1
01/26/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
02/24/2017
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/03/2017
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
10/16/2015
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
12/31/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
09/16/2008
Violation issued (ECB, closed)
Elevators
01/06/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/20/2000
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
03/16/1999
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWAntennaSigned-offIRONBO07/31/2020
DOB NOWMechanical SystemsSigned-offPARK HILL DESIGN INC07/23/2020
DOB NOWMechanical SystemsSigned-offPARK HILL DESIGN INC01/03/2020
DOB NOWAntennaSigned-offSECTORSITE, LLC06/22/2018
BISPLISSUEDBT'S PLUMBING AND HEATING12/31/2019
BISOTISSUEDPARK HILL DESIGN INC11/18/2019
BISOTISSUEDSQUAN CONSTRUCTION SERVIC10/20/2016
BISOTISSUEDSQUAN CONSTRUCTION SERVIC10/19/2015
BISOTISSUEDSQUAN CONSTRUCTION SERVIC06/16/2015
BISOTISSUEDSKYLINE STEEL FABRICATORS &04/19/2005
BISOTISSUEDAPPLIED ELECTRIC CORP11/14/2001
BISOTISSUEDCELLULAR TELEPHONE CO/AT&T WIRE12/22/1997
BISMHISSUEDCELLULAR TELEPHONE CO/AT&T WIRE12/22/1997
2 projects · most recent 04/02/2023
General Wiring
FiledStatusContractorScope
04/02/2023Permit IssuedTUXEDO ELEC'L CONTR'G INC—
02/24/2020CompleteHIVOLTS ELECTRICAL INCGeneral Wiring
Nothing on file for this building.
▾Documents — 54 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch - Mechanical Systems2
09/02/2026B00281324-I1Request digital key ↗
09/02/2026B00367899-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Antenna1
09/02/2026B00343156-I1Request digital key ↗
▸DOB NOWPlans/Sketch1
09/03/2026B00022628-I1Request digital key ↗
▸Applications & Permits11
▸BISWORK PERMIT APPLICATION6
12/31/2019321987999Open ↗
11/18/2019321987999Open ↗
09/11/2019321987999Open ↗
Showing 3 of 6 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION3
12/26/2019321987999Open ↗
09/18/2019321987999Open ↗
08/16/2017321125028Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION2
05/14/2019321987999Open ↗
05/07/2015321125028Open ↗
▸Seals & Professional Certifications8
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4
09/11/2019321987999Open ↗
05/14/2019321987999Open ↗
10/23/2017321125028Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
09/03/2026B00022628-I1Open ↗
08/13/2026B00343156-I1Open ↗
08/13/2026B00281324-I1Open ↗
Showing 3 of 4 on file for this type
▸Trade Schedules & Equipment5
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
06/25/2019321987999Open ↗
05/14/2019321987999Open ↗
▸BISPLUMBING - SUPPORTING DOCUMENTATION2
12/26/2019321987999Open ↗
09/18/2019321987999Open ↗
▸BISFA - FDNY APPROVAL : FD-FAA1
12/03/2015321125028Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
09/03/2026B00022628-I1Open ↗
08/13/2026B00343156-I1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
05/14/2019321987999Open ↗
▸DOB NOWACP5/20/21 or V51
08/13/2026B00281324-I1Open ↗
▸Energy Compliance7
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4
09/11/2019321987999Open ↗
05/14/2019321987999Open ↗
10/23/2017321125028Open ↗
Showing 3 of 4 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
06/23/2020321987999Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
10/23/2017321125028Open ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
06/23/2020321987999Open ↗
▸Inspections & Test Reports2
▸BISTECHNICAL REPORT: RESPONSIBILITY2
06/23/2020321987999Open ↗
06/23/2020321987999Open ↗
▸Approvals, Objections & Sign-offs2
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
06/23/2020321987999Open ↗
10/23/2017321125028Open ↗
▸Cost, Insurance & Ownership6
▸BISCOST AFFIDAVIT5
10/03/2019321987999Open ↗
08/20/2019321987999Open ↗
05/14/2019321987999Open ↗
Showing 3 of 5 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW31
06/23/2020321987999Open ↗
▸Filing & Intake Forms5
▸BISEFILING COVER SHEET2
05/14/2019321987999Open ↗
05/07/2015321125028Open ↗
▸BISADDITIONAL INFORMATION2
01/13/2020321987999Open ↗
10/03/2019321987999Open ↗
▸BISBOROUGH INTAKE FORM1
10/23/2017321125028Open ↗