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Two family converted from one family
731 JEFFERSON AVENUE
BROOKLYN · BIN 3045586
💬 Discuss this project
1899Year Built
2Stories
B3Building Class
R6BZoning
2,693 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 1,942 sf lot · 1.39 FAR built · Flood zone X
Locations of Work
ArchitectureStructural
Roof3p · 1 filing · 7 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC107/26/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BROOKLYN SOLARWORKS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN SOLARWORKS LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244107/26/2024
Building Lifecycle
All (8)Filed (1)Permit Issued (1)Signed Off (1)Special Inspection (5)
11/07/2024
Signed off — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01082054-I1
08/09/2024
Permit issued — Solar
B01082054-I1-SL
07/26/2024
Filed — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01082054-I1
07/17/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
07/17/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
07/17/2024
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
07/17/2024
Special inspection requirement — Final
NARESH MAHANGU
07/17/2024
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offBROOKLYN SOLARWORKS LLC08/09/2024
1 job · most recent 09/18/2024
FiledStatusContractorScope
09/18/2024CompleteBROOKYLN SOLARWORKS, LLC—
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
07/17/2024Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
07/17/2024Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
07/17/2024Energy Code Compliance InspectionsNARESH MAHANGUprogress
07/17/2024FinalNARESH MAHANGUprogress
07/17/2024Air barrier - visual inspectionNARESH MAHANGUenergy_progress
▾Documents — 7 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/24/2026B01082054-I1Request digital key ↗
▸Seals & Professional Certifications4
▸DOB NOWProgress Inspector Seal & Signature2
08/28/2026B01082054-I1Open ↗
08/28/2026B01082054-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/24/2026B01082054-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/28/2026B01082054-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/24/2026B01082054-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01082054-I1Open ↗