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Two family converted from one family
1547 WEST 4 STREET
BROOKLYN · Bensonhurst · BIN 3174562
💬 Discuss this project
1925Year Built
2Stories
B3Building Class
R4-1Zoning
1,440 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 2,000 sf lot · 0.72 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalMechanical
Roof3p · 1 filing · 17 docs
Floor 210p · 1 filing · 14 docs
Floor 111p · 1 filing · 14 docs
Cellar14p · 1 filing · 14 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/11/2021$865K—— → —$601/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC208/02/2025
KL INNOVATIVE DESIGN INC307/02/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BASIC GROUPS603/21/2026
AMERGY SOLAR403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CUBE BUILDERS GROUP NYGeneral Contractor507/08/2026
AMERGY SOLAR INCGeneral Contractor303/21/2026
YU IPElectrical103/21/2026
I P ELECTRIC INC 003530General Contractor103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802208/02/2025
KL INNOVATIVE DESIGN INC7225307/02/2021
Building Lifecycle
All (33)Filed (5)Permit Issued (4)Signed Off (2)Special Inspection (22)
08/12/2025
Signed off — Alteration
Installation of Solar panels on existing roof structure, No change in use, egress or occupancy.
B01216779-I1
08/04/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
08/04/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Chun Feng
08/04/2025
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
08/04/2025
Special inspection requirement — Final
Chun Feng
08/04/2025
Special inspection requirement — Air barrier - visual inspection
Chun Feng
08/02/2025
Filed — Alteration
Installation of Solar panels on existing roof structure, No change in use, egress or occupancy.
B01216779-P1
08/01/2025
Special inspection requirement — Air barrier - visual inspection
Chun Feng
08/01/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
08/01/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Chun Feng
08/01/2025
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
08/01/2025
Special inspection requirement — Final
Chun Feng
05/07/2025
Permit issued — Solar
B01216779-I1-SL
04/29/2025
Filed — Alteration
Installation of Solar panels on existing roof structure, No change in use, egress or occupancy.
B01216779-I1
07/12/2021
Signed off — Alteration
B00489407-I1
07/02/2021
Filed — Alteration
B00489407-P2
07/01/2021
Special inspection requirement — Insulation placement and R values
HO YIN LAW
07/01/2021
Special inspection requirement — Fenestration and door U-factor and product ratings
HO YIN LAW
07/01/2021
Special inspection requirement — Interior lighting power
HO YIN LAW
07/01/2021
Special inspection requirement — Air barrier - visual inspection
HO YIN LAW
07/01/2021
Special inspection requirement — Fenestration air leakage
HO YIN LAW
07/01/2021
Special inspection requirement — Metering
HO YIN LAW
07/01/2021
Special inspection requirement — Fenestration areas
HO YIN LAW
07/01/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
HO YIN LAW
07/01/2021
Special inspection requirement — Structural Stability – Alterations of existing buildings
HO YIN LAW
07/01/2021
Special inspection requirement — Final
HO YIN LAW
07/01/2021
Special inspection requirement — Energy Code Compliance Inspections
HO YIN LAW
07/01/2021
Special inspection requirement — Fire-Resistance Rated Construction
HO YIN LAW
06/22/2021
Filed — Alteration
B00489407-P1
04/26/2021
Permit issued — General Construction
B00489407-I1-GC
04/20/2021
Permit issued — General Construction
B00489407-I1-GC
03/26/2021
Permit issued — General Construction
B00489407-I1-GC
03/22/2021
Filed — Alteration
B00489407-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offAMERGY SOLAR INC05/07/2025
DOB NOWGeneral ConstructionSigned-offCUBE BUILDERS GROUP NY04/26/2021
DOB NOWGeneral ConstructionSigned-offCUBE BUILDERS GROUP INC04/20/2021
DOB NOWGeneral ConstructionSigned-offCUBE BUILDERS GROUP INC03/26/2021
1 project · most recent 04/29/2025
FiledStatusContractorScope
04/29/2025CompleteI.P. ELECTRIC INC—
▾Special Inspection Requirements (DOB NOW) — 22
DateRequirementInspectorRole
08/04/2025Fire-Resistant Penetrations and JointsChun Fengspecial
08/04/2025Structural Stability – Alterations of existing buildingsChun Fengspecial
08/04/2025Energy Code Compliance InspectionsChun Fengprogress
08/04/2025FinalChun Fengprogress
08/04/2025Air barrier - visual inspectionChun Fengenergy_progress
08/01/2025Air barrier - visual inspectionChun Fengenergy_progress
08/01/2025Fire-Resistant Penetrations and JointsChun Fengspecial
08/01/2025Structural Stability – Alterations of existing buildingsChun Fengspecial
08/01/2025Energy Code Compliance InspectionsChun Fengprogress
08/01/2025FinalChun Fengprogress
07/01/2021Insulation placement and R valuesHO YIN LAWenergy_progress
07/01/2021Fenestration and door U-factor and product ratingsHO YIN LAWenergy_progress
07/01/2021Interior lighting powerHO YIN LAWenergy_progress
07/01/2021Air barrier - visual inspectionHO YIN LAWenergy_progress
07/01/2021Fenestration air leakageHO YIN LAWenergy_progress
07/01/2021MeteringHO YIN LAWenergy_progress
07/01/2021Fenestration areasHO YIN LAWenergy_progress
07/01/2021Fire-Resistant Penetrations and JointsHO YIN LAWspecial
07/01/2021Structural Stability – Alterations of existing buildingsHO YIN LAWspecial
07/01/2021FinalHO YIN LAWprogress
07/01/2021Energy Code Compliance InspectionsHO YIN LAWprogress
07/01/2021Fire-Resistance Rated ConstructionHO YIN LAWprogress
▾Documents — 31 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
09/01/2026B00489407-P1Request digital key ↗
09/01/2026B00489407-I1Request digital key ↗
09/01/2026B00489407-P2Request digital key ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications19
▸DOB NOWProgress Inspector Seal & Signature9
08/24/2026B01216779-I1Open ↗
08/24/2026B01216779-I1Open ↗
08/24/2026B01216779-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
08/24/2026B01216779-I1Open ↗
08/24/2026B01216779-I1Open ↗
08/23/2026B01216779-P1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
09/01/2026B00489407-P1Open ↗
09/01/2026B00489407-I1Open ↗
09/01/2026B00489407-P2Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
09/01/2026B00489407-P2Open ↗
09/01/2026B00489407-I1Open ↗
09/01/2026B00489407-P1Open ↗
Showing 3 of 5 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026B00489407-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01216779-I1Open ↗