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Five to six families
247 21 STREET
BROOKLYN · BIN 3017420
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1931Year Built
3Stories
C2Building Class
R6BZoning
5,130 sfGross Floor Area
6Units
Rent Stabilized102 Open Violations ▸FDNY Report ↗
Five to six families · Owner of record: 21ST STREET BROOKLYN, LLC · 3,005 sf lot · 1.71 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
KAJ NY CONSTRUCTION1207/08/2026
21ST STREET BROOKLYN, LLC103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
GREEN DESIGN202/09/2019
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ATLANTIC BUILDING SUPPLY INC.403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAJ NY CONSTRUCTION INCGeneral Contractor1007/08/2026
LELIS, ARILSONElectrical103/21/2026
NEU, RICHARDElectrical103/21/2026
RICHARD NEUElectrical103/21/2026
SERGIO GIANNACHIElectrical103/21/2026
STEVEN DENNISONElectrical103/21/2026
Building Lifecycle
All (66)Filed (2)Permit Issued (4)Violation (60)
05/01/2026
Violation issued (HPD, open)
A
11/19/2025
Violation issued (HPD, open)
I
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/06/2025
Violation issued (HPD, open)
A
11/26/2024
Violation issued (HPD, open)
I
09/23/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/03/2024
Violation issued (HPD, open)
A
01/04/2024
Violation issued (HPD, open)
B
01/04/2024
Violation issued (HPD, open)
B
01/04/2024
Violation issued (HPD, open)
B
11/20/2023
Violation issued (HPD, open)
I
06/30/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/30/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/20/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/20/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/25/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/20/2023
Violation issued (HPD, open)
A
11/09/2022
Violation issued (HPD, open)
I
02/22/2022
Violation issued (HPD, open)
A
02/22/2022
Violation issued (HPD, open)
I
04/06/2021
Violation issued (HPD, open)
A
01/17/2020
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/13/2019
Violation issued (HPD, open)
C
10/28/2019
Violation issued (HPD, closed)
I
08/15/2019
Violation issued (HPD, open)
B
08/15/2019
Violation issued (HPD, open)
B
08/15/2019
Violation issued (HPD, open)
B
08/15/2019
Violation issued (HPD, open)
B
08/15/2019
Violation issued (HPD, open)
A
08/15/2019
Violation issued (HPD, open)
C
08/15/2019
Violation issued (HPD, open)
A
04/17/2019
Permit issued — Sidewalk Shed
B00122392-I1-SH
04/16/2019
Permit issued — Supported Scaffold
B00127505-I1-SF
02/11/2019
Permit issued — Supported Scaffold
B00127505-I1-SF
02/09/2019
Filed — Alteration
B00127505-I1
02/05/2019
Permit issued — Sidewalk Shed
B00122392-I1-SH
01/23/2019
Filed — Alteration
B00122392-I1
06/18/2018
Violation issued (HPD, open)
B
06/18/2018
Violation issued (HPD, open)
B
06/18/2018
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
A
06/23/2017
Violation issued (HPD, open)
C
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
A
06/23/2017
Violation issued (HPD, open)
A
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
A
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
B
06/23/2017
Violation issued (HPD, open)
A
06/23/2017
Violation issued (HPD, closed)
C
06/23/2017
Violation issued (HPD, open)
A
Latest 60 of 66 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedPermit IssuedKAJ NY CONSTRUCTION INC04/17/2019
DOB NOWSupported ScaffoldPermit IssuedKAJ NY CONSTRUCTION INC04/16/2019
DOB NOWSupported ScaffoldPermit IssuedKAJ NY CONSTRUCTION INC02/11/2019
DOB NOWSidewalk ShedPermit IssuedKAJ NY CONSTRUCTION INC02/05/2019
BISOTISSUEDRF CONSTRUCTION NY CORP12/21/2018
2 projects · most recent 02/21/2022
FiledStatusContractorScope
02/21/2022CompleteFIBERTEK DATA & ELEC CORP—
01/23/2019Permit IssuedRICHARD NEU—
Nothing on file for this building.
▾Documents — 12 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch - Sidewalk Shed1
09/02/2026B00122392-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Supported Scaffold1
09/02/2026B00127505-I1Request digital key ↗
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
10/01/2018321845456Open ↗
▸BISWORK PERMIT APPLICATION1
12/27/2018321845456Open ↗
▸Seals & Professional Certifications5
▸DOB NOWDPL-1: Design Professional Seal & Signature2
09/02/2026B00122392-I1Open ↗
09/02/2026B00127505-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
10/01/2018321845456Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
10/01/2018321845456Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
10/01/2018321845456Open ↗
▸Environmental & Asbestos1
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
10/01/2018321845456Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
10/01/2018321845456Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
10/03/2018321845456Open ↗