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Two family converted from one family
313 PROSPECT AVENUE
BROOKLYN · BIN 3024256
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1901Year Built
2Stories
B3Building Class
R6BZoning
2,052 sfGross Floor Area
2Units
Two family converted from one family · 1,473 sf lot · 1.39 FAR built · Flood zone X
Locations of Work
Architecture
Roof2p · 1 filing · 15 docs
Basement1p · 1 filing · 15 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC212/22/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KAMTECH RESTORATION CORP403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BERGER QUALITY ELEC'L CONElectrical103/22/2026
KAMTECH RESTORATION CORPGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802212/22/2025
Building Lifecycle
All (12)Filed (2)Permit Issued (1)Signed Off (1)Special Inspection (8)
01/05/2026
Signed off — Alteration
B01256430-I1
12/30/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
12/30/2025
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
12/30/2025
Special inspection requirement — Final
Kaijin Liang
12/30/2025
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
12/22/2025
Filed — Alteration
B01256430-P1
12/22/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
12/22/2025
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
12/22/2025
Special inspection requirement — Final
Kaijin Liang
12/22/2025
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
07/31/2025
Permit issued — Solar
B01256430-I1-SL
07/15/2025
Filed — Alteration
B01256430-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offKAMTECH RESTORATION CORP07/31/2025
1 project · most recent 07/08/2025
FiledStatusContractorScope
07/08/2025CompleteBERGER QUALITY ELEC'L CON—
▾Special Inspection Requirements (DOB NOW) — 8
DateRequirementInspectorRole
12/30/2025Fire-Resistant Penetrations and JointsKaijin Liangspecial
12/30/2025Energy Code Compliance InspectionsKaijin Liangprogress
12/30/2025FinalKaijin Liangprogress
12/30/2025Air barrier - visual inspectionKaijin Liangenergy_progress
12/22/2025Fire-Resistant Penetrations and JointsKaijin Liangspecial
12/22/2025Energy Code Compliance InspectionsKaijin Liangprogress
12/22/2025FinalKaijin Liangprogress
12/22/2025Air barrier - visual inspectionKaijin Liangenergy_progress
▾Documents — 15 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/19/2026B01256430-P1Request digital key ↗
08/19/2026B01256430-I1Request digital key ↗
▸Seals & Professional Certifications10
▸DOB NOWProgress Inspector Seal & Signature6
08/28/2026B01256430-I1Open ↗
08/28/2026B01256430-I1Open ↗
08/28/2026B01256430-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/19/2026B01256430-P1Open ↗
08/19/2026B01256430-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/28/2026B01256430-I1Open ↗
08/28/2026B01256430-P1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/19/2026B01256430-P1Open ↗
08/19/2026B01256430-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01256430-I1Open ↗