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Two family converted from one family
538 3 STREET
BROOKLYN · Park Slope · BIN 3025421
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1909Year Built
3Stories
B3Building Class
R6BZoning
2,730 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 1,726 sf lot · 1.58 FAR built · Flood zone X
Locations of Work
Electrical
Roof1 filing · 5 docs
Sub-Basement1 filing · 5 docs
Site & exterior1 filing · 5 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC107/30/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BROOKLYN SOLARWORKS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN SOLARWORKS LLCGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244107/30/2025
Building Lifecycle
All (3)Filed (1)Permit Issued (1)Signed Off (1)
12/15/2025
Signed off — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01259781-I1
08/06/2025
Permit issued — Solar
B01259781-I1-SL
07/30/2025
Filed — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01259781-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offBROOKLYN SOLARWORKS LLC08/06/2025
1 project · most recent 10/08/2025
FiledStatusContractorScope
10/08/2025CompleteBROOKYLN SOLARWORKS, LLC2 meters
Nothing on file for this building.
▾Documents — 5 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/21/2026B01259781-I1Request digital key ↗
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026B01259781-I1Open ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/21/2026B01259781-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/21/2026B01259781-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01259781-I1Open ↗