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Two stories - detached, small or mid-size
910 EAST 21 STREET
BROOKLYN · Flatbush · BIN 3205729
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1920Year Built
2Stories
A1Building Class
R3XZoning
1,920 sfGross Floor Area
1Units
FDNY Report ↗
Two stories - detached, small or mid-size · 4,000 sf lot · 0.48 FAR built · Flood zone X
Locations of Work
Electrical
Roof1p · 1 filing · 9 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC108/29/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KAMTECH RESTORATION CORP203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAMTECH RESTORATION CORPGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802108/29/2024
Building Lifecycle
All (8)Filed (1)Permit Issued (1)Signed Off (1)Special Inspection (5)
10/17/2024
Signed off — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01104073-I1
09/03/2024
Permit issued — Solar
B01104073-I1-SL
08/29/2024
Filed — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01104073-I1
08/29/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
08/29/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Kaijin Liang
08/29/2024
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
08/29/2024
Special inspection requirement — Final
Kaijin Liang
08/29/2024
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offKAMTECH RESTORATION CORP09/03/2024
BISPLISSUEDJ.S. MECHANICAL CORP.04/20/1994
BIS—ISSUEDDORLEANS CONTRACTING CO12/21/1993
1 project · most recent 08/20/2024
FiledStatusContractorScope
08/20/2024CompleteBERGER QUALITY ELEC'L CON—
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
08/29/2024Fire-Resistant Penetrations and JointsKaijin Liangspecial
08/29/2024Structural Stability – Alterations of existing buildingsKaijin Liangspecial
08/29/2024Energy Code Compliance InspectionsKaijin Liangprogress
08/29/2024FinalKaijin Liangprogress
08/29/2024Air barrier - visual inspectionKaijin Liangenergy_progress
▾Documents — 9 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/24/2026B01104073-I1Request digital key ↗
▸Seals & Professional Certifications6
▸DOB NOWProgress Inspector Seal & Signature3
08/24/2026B01104073-I1Open ↗
08/24/2026B01104073-I1Open ↗
08/24/2026B01104073-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/24/2026B01104073-I1Open ↗
08/24/2026B01104073-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026B01104073-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01104073-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01104073-I1Open ↗