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Office with commercial, 1-6 stories
8121 21 AVENUE
BROOKLYN · Bensonhurst · BIN 3163928
💬 Discuss this project
2022Year Built
4Stories
O5Building Class
R5Zoning
23,289 sfGross Floor Area
4Units
38 Open Violations 36 unresolved · 2 paperwork only ▸FDNY Report ↗
Office with commercial, 1-6 stories · 6,000 sf lot · 3.88 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalEquipmentGeneral
Permit Issued — active, not yet Signed-off
RoofUnder Construction5p · 1 filing · 2 docs
Floor 4Under Construction5p · 1 filing · 2 docs
Floor 3Under Construction5p · 1 filing · 2 docs
Floor 2Under Construction5p · 1 filing · 2 docs
Floor 1Under Construction5p · 1 filing · 2 docs
Site & exteriorUnder Construction23p · 3 filings · 19 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
JAT CONSTRUCTION GROUP2508/06/2026
8121 21ST AVE103/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
FL&M ENGINEERING DESIGN &INSPECTION609/19/2025
PAUL PERDEK, PROF. ENG. PLLC106/26/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
THE GREEN STUDIO503/21/2026
AE DESIGN SOLUTION203/21/2026
GEIGER E A GROUP203/21/2026
MILLENNIUM DESIGNS503/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MC SUPERSTRUCTURE INCGeneral Contractor608/06/2026
BAYPORT CONSTRUCTION CORP.General Contractor304/09/2026
A & E PLUMBING CORPPlumbing203/22/2026
JOHN AHRENSElectrical103/21/2026
PAUL OLSENElectrical103/21/2026
BPRT CONSTRUCTION OF NYGeneral Contractor106/27/2026
Building Lifecycle
All (75)Filed (7)Permit Issued (8)Violation (60)
08/05/2026
Permit issued — Sidewalk Shed
B01091774-I1-SH
02/06/2026
Permit issued — Supported Scaffold
B01232730-I1-SF
01/26/2026
Permit issued — Supported Scaffold
B01166052-I1-SF
09/19/2025
Filed — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01091774-P4
09/16/2025
Violation issued (ECB, closed)
Construction
09/16/2025
Violation issued (ECB, closed)
Construction
09/16/2025
Violation issued (ECB, open)
Construction
09/02/2025
Permit issued — Sidewalk Shed
B01091774-I1-SH
08/06/2025
Permit issued — Supported Scaffold
B01232730-I1-SF
06/27/2025
Permit issued — Supported Scaffold
B01232730-I1-SF
06/26/2025
Filed — Alteration
B01232730-I1
06/12/2025
Violation issued (ECB, open)
Construction
05/29/2025
Violation issued (ECB, closed)
Construction
05/29/2025
Violation issued (ECB, closed)
Construction
03/10/2025
Violation issued (ECB, open)
Construction
02/18/2025
Permit issued — Supported Scaffold
B01166052-I1-SF
02/14/2025
Filed — Alteration
INSTALLATION OF PIPE SCAFFOLDING AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER # 33 OF THE 2022 CODE. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION.
B01166052-I1
01/27/2025
Filed — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01091774-P3
12/17/2024
Violation issued (ECB, closed)
Cranes and Derricks
12/17/2024
Violation issued (ECB, closed)
Cranes and Derricks
11/07/2024
Filed — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01091774-P2
10/21/2024
Filed — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01091774-P1
10/02/2024
Permit issued — Sidewalk Shed
B01091774-I1-SH
10/01/2024
Filed — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01091774-I1
07/25/2024
Violation issued (ECB, open)
Unknown
07/10/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
05/09/2024
Violation issued (ECB, open)
Construction
11/22/2023
Violation issued (ECB, closed)
Unknown
11/22/2023
Violation issued (ECB, closed)
Construction
11/22/2023
Violation issued (ECB, closed)
Construction
06/30/2023
Violation issued (ECB, closed)
Construction
06/30/2023
Violation issued (ECB, closed)
Construction
06/30/2023
Violation issued (ECB, closed)
Construction
06/30/2023
Violation issued (ECB, closed)
Unknown
08/26/2022
Violation issued (ECB, closed)
Construction
02/02/2022
Violation issued (ECB, closed)
Construction
08/30/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/30/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/30/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/30/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/04/2021
Violation issued (ECB, closed)
Construction
12/14/2020
Violation issued (ECB, closed)
Construction
11/25/2020
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
09/02/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/02/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/02/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/02/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/24/2020
Violation issued (ECB, open)
Construction
03/04/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/04/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/04/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/04/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
01/29/2020
Violation issued (ECB, open)
Construction
01/15/2020
Violation issued (ECB, open)
Construction
01/11/2020
Violation issued (ECB, closed)
Construction
01/08/2020
Violation issued (ECB, open)
Construction
01/08/2020
Violation issued (ECB, open)
Unknown
01/08/2020
Violation issued (ECB, closed)
Construction
12/07/2019
Violation issued (ECB, open)
Construction
12/07/2019
Violation issued (ECB, open)
Construction
Latest 60 of 75 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedPermit IssuedMC SUPERSTRUCTURE INC08/05/2026
DOB NOWSupported ScaffoldPermit IssuedBPRT CONSTRUCTION OF NY02/06/2026
DOB NOWSupported ScaffoldPermit IssuedMC SUPERSTRUCTURE INC01/26/2026
DOB NOWSidewalk ShedPermit IssuedMC SUPERSTRUCTURE INC09/02/2025
DOB NOWSupported ScaffoldPermit IssuedBAYPORT CONSTRUCTION CORP08/06/2025
DOB NOWSupported ScaffoldPermit IssuedBAYPORT CONSTRUCTION CORP06/27/2025
DOB NOWSupported ScaffoldPermit IssuedMC SUPERSTRUCTURE INC02/18/2025
DOB NOWSidewalk ShedPermit IssuedMC SUPERSTRUCTURE INC10/02/2024
BISEQISSUEDJAT CONSTRUCTION GROUP IN05/13/2025
BIS—ISSUEDJAT CONSTRUCTION GROUP IN01/15/2025
BISEQISSUEDJAT CONSTRUCTION GROUP IN04/18/2024
BIS—ISSUEDJAT CONSTRUCTION GROUP IN01/22/2024
BIS—ISSUEDJAT CONSTRUCTION GROUP IN01/22/2024
BISPLISSUEDA & E PLUMBING CORP11/15/2023
BISEQISSUEDJAT CONSTRUCTION GROUP IN05/01/2023
BIS—ISSUEDJAT CONSTRUCTION GROUP IN05/01/2023
BIS—ISSUEDJAT CONSTRUCTION GROUP IN05/01/2023
BIS—ISSUEDJAT CONSTRUCTION GROUP IN05/01/2023
BISEQISSUEDBREMI INC01/19/2023
BISEQISSUEDRISE DEVELOPMENT PARTNERS09/16/2022
BIS—ISSUEDDAVID CONSTRUCTING NY, IN06/09/2021
BISEQISSUEDSTAR BUILDERS INC12/30/2020
BIS—ISSUEDSTAR BUILDERS INC06/01/2020
BIS—ISSUEDSTAR BUILDERS INC06/01/2020
BIS—ISSUEDSTAR BUILDERS INC06/01/2020
BIS—ISSUEDCHAEL CONSTRUCTION INC02/12/2020
BIS—ISSUEDCHAEL CONSTRUCTION INC02/11/2020
BIS—ISSUEDCHAEL CONSTRUCTION INC02/10/2020
BIS—ISSUEDSTAR BUILDERS INC10/09/2019
BISEQISSUEDSTAR BUILDERS INC10/09/2019
BIS—ISSUEDSTAR BUILDERS INC10/09/2019
BIS—ISSUEDSTAR BUILDERS INC10/09/2019
BIS—ISSUEDSTAR BUILDERS INC09/24/2019
BIS—ISSUEDSTAR BUILDERS INC09/24/2019
BIS—ISSUEDSTAR BUILDERS INC05/23/2019
BIS—ISSUEDSTAR BUILDERS INC05/23/2019
BIS—ISSUEDSTAR BUILDERS INC10/15/2018
BIS—ISSUEDSTAR BUILDERS INC04/09/2018
BISEQISSUEDSTAR BUILDERS INC04/06/2018
BIS—ISSUEDXIA GENERAL CONTRACTING I06/29/2017
+ 6 more permits on file
2 projects · most recent 08/14/2024
FiledStatusContractorScope
08/14/2024Permit IssuedNASH ELECTRIC SERVICES IN—
05/20/2024Permit IssuedTUXEDO ELEC'L CONTR'G INC—
2 projects · most recent 09/19/2025
Sidewalk Shed Scaffold
FiledStatusContractorScope
09/19/2025Permit IssuedMC SUPERSTRUCTURE INCSidewalk Shed
02/14/2025Permit IssuedMC SUPERSTRUCTURE INCScaffold
Nothing on file for this building.
▾Documents — 164 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/22/2026B01166052-I1Request digital key ↗
08/21/2026B01232730-I1Request digital key ↗
08/20/2026B01091774-P4Request digital key ↗
Showing 3 of 7 on file for this type
▸Applications & Permits51
▸BISWORK PERMIT APPLICATION34
11/15/2023320909077Open ↗
05/03/2023320909077Open ↗
05/03/2023320909077Open ↗
Showing 3 of 34 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION16
08/25/2023320909077Open ↗
06/30/2021320909077Open ↗
04/12/2019320863482Open ↗
Showing 3 of 16 on file for this type
▸BISBPP-5 - Authorization to the Department of Transportation1
04/19/2016340360380Open ↗
▸Zoning, Tax Lot & Property Records7
▸BISTAX LOT: TENTATIVE LOT NUMBER ISSUED2
04/19/2016340360380Open ↗
10/23/2015320909077Open ↗
▸BISZONING DIAGRAM1
08/04/2016320909077Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
05/16/2016320909077Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
05/16/2016320909077Open ↗
▸BISRESTRICTION: RESTRICTIVE DECLARATION1
06/23/2016320909077Open ↗
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
10/23/2015320909077Open ↗
▸Seals & Professional Certifications13
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/21/2026B01232730-I1Open ↗
08/20/2026B01091774-P3Open ↗
08/20/2026B01091774-P2Open ↗
Showing 3 of 7 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY-CERTIFICATION4
07/09/2014320998925Open ↗
06/20/2014320998925Open ↗
10/18/2018320909077Open ↗
Showing 3 of 4 on file for this type
▸BISAPPLICANT OWNER SIGNATURE2
08/27/2024340912016Open ↗
04/19/2016340360380Open ↗
▸Trade Schedules & Equipment4
▸BIS* SEWER CONNECTION: DEP SD1 & SD21
10/14/2016320909077Open ↗
▸BISGAS CUT-OFF1
10/23/2014320998925Open ↗
▸BISWATER CUT-OFF1
10/23/2014320998925Open ↗
▸BISELECTRIC CUT-OFF1
10/23/2014320998925Open ↗
▸Safety & Tenant Protection15
▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE7
10/18/2018320909077Open ↗
10/29/2015320998925Open ↗
10/29/2015320998925Open ↗
Showing 3 of 7 on file for this type
▸BISDS1-Demolition Submittal Certification Form3
07/09/2014320998925Open ↗
06/20/2014320998925Open ↗
06/12/2013320863482Open ↗
▸BISSTREET TREE CHECKLIST2
08/04/2016320909077Open ↗
04/19/2016340360380Open ↗
▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN2
10/18/2018320909077Open ↗
04/19/2016340360380Open ↗
▸BISSRO MD ANTI-HARASSMENT CHECKLIST1
10/23/2014320998925Open ↗
▸Environmental & Asbestos3
▸BISRODENT CONTROL2
10/29/2015320998925Open ↗
10/23/2014320998925Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
06/12/2013320863482Open ↗
▸Energy Compliance2
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
10/18/2018320909077Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
08/04/2016320909077Open ↗
▸Inspections & Test Reports8
▸BISTECHNICAL REPORT: RESPONSIBILITY3
10/14/2016320909077Open ↗
10/14/2016320909077Open ↗
08/04/2016320909077Open ↗
▸BISSOIL REPORT1
08/04/2016320909077Open ↗
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER1
10/18/2018320909077Open ↗
▸BISTECHNICAL REPORT: SOIL INSPECTION1
08/04/2016320909077Open ↗
▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX1
10/18/2018320909077Open ↗
▸BISHYDRAULIC FLOW CALCULATIONS1
08/04/2016320909077Open ↗
▸Approvals, Objections & Sign-offs27
▸BISSCHEDULE A - OCCUPANCY / USE9
07/05/2016320909077Open ↗
06/22/2016320909077Open ↗
04/21/2016320909077Open ↗
Showing 3 of 9 on file for this type
▸BISSUPERSEDING LETTER8
05/03/2023320909077Open ↗
01/20/2023320909077Open ↗
05/28/2021320909077Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter5
08/20/2026B01091774-I1Open ↗
08/20/2026B01091774-P1Open ↗
08/20/2026B01091774-P3Open ↗
Showing 3 of 5 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION4
03/30/2016320909077Open ↗
10/23/2014320998925Open ↗
10/02/2014320998925Open ↗
Showing 3 of 4 on file for this type
▸BISADMINISTRATIVE OBJECTIONS1
06/12/2013320863482Open ↗
▸Cost, Insurance & Ownership6
▸BISPROJECT-SPECIFIC GL INSURANCE4
05/03/2023320909077Open ↗
05/28/2021320909077Open ↗
06/02/2020320909077Open ↗
Showing 3 of 4 on file for this type
▸BISPROJECT SPECIFIC GENERAL LIABILITY INSURANCE1
02/10/2021320909077Open ↗
▸BISCOST AFFIDAVIT1
06/12/2013320863482Open ↗
▸Filing & Intake Forms19
▸BISEFILING COVER SHEET8
10/03/2018321770071Open ↗
08/08/2016320909077Open ↗
08/05/2016320909077Open ↗
Showing 3 of 8 on file for this type
▸BISADDITIONAL INFORMATION6
09/07/2023320909077Open ↗
09/07/2023320909077Open ↗
11/16/2021320909077Open ↗
Showing 3 of 6 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET2
08/27/2024340912016Open ↗
04/19/2016340360380Open ↗
▸BISBOROUGH INTAKE FORM2
05/28/2021320909077Open ↗
04/12/2019320863482Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
04/19/2016340360380Open ↗
▸Other Documents2
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
05/30/2019320909077Open ↗
▸BISPLOT DIAGRAM1
10/23/2015320909077Open ↗