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Two family frame
1742 EAST 51 STREET
BROOKLYN · Flatlands · BIN 3220984
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1925Year Built
2Stories
B2Building Class
R3-2Zoning
2,256 sfGross Floor Area
2Units
FDNY Report ↗
Two family frame · 2,500 sf lot · 0.9 FAR built · Flood zone X500
Locations of Work
Electrical
Roof1 filing · 15 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC211/12/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KAMTECH RESTORATION CORP403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAMTECH RESTORATION CORPGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802211/12/2025
Building Lifecycle
All (14)Filed (2)Permit Issued (1)Signed Off (1)Objection (2)Special Inspection (8)
12/10/2025
Signed off — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01273969-I1
12/02/2025
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
12/02/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
12/02/2025
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
12/02/2025
Special inspection requirement — Final
Kaijin Liang
11/25/2025
Objection resolved — Addressed
11/21/2025
Objection raised — Other
11/12/2025
Filed — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01273969-P1
11/12/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
11/12/2025
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
11/12/2025
Special inspection requirement — Final
Kaijin Liang
11/12/2025
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
09/10/2025
Permit issued — Solar
B01273969-I1-SL
08/19/2025
Filed — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01273969-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offKAMTECH RESTORATION CORP09/10/2025
1 project · most recent 08/19/2025
FiledStatusContractorScope
08/19/2025CompleteBERGER QUALITY ELEC'L CON—
▾Special Inspection Requirements (DOB NOW) — 8
DateRequirementInspectorRole
12/02/2025Air barrier - visual inspectionKaijin Liangenergy_progress
12/02/2025Fire-Resistant Penetrations and JointsKaijin Liangspecial
12/02/2025Energy Code Compliance InspectionsKaijin Liangprogress
12/02/2025FinalKaijin Liangprogress
11/12/2025Fire-Resistant Penetrations and JointsKaijin Liangspecial
11/12/2025Energy Code Compliance InspectionsKaijin Liangprogress
11/12/2025FinalKaijin Liangprogress
11/12/2025Air barrier - visual inspectionKaijin Liangenergy_progress
▾Documents — 15 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/20/2026B01273969-I1Request digital key ↗
08/14/2026B01273969-P1Request digital key ↗
▸Seals & Professional Certifications10
▸DOB NOWProgress Inspector Seal & Signature6
08/25/2026B01273969-I1Open ↗
08/25/2026B01273969-I1Open ↗
08/25/2026B01273969-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/20/2026B01273969-P1Open ↗
08/20/2026B01273969-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/25/2026B01273969-I1Open ↗
08/23/2026B01273969-P1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/20/2026B01273969-I1Open ↗
08/14/2026B01273969-P1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01273969-I1Open ↗