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Three families
401 1 STREET
BROOKLYN · BIN 3020717
💬 Discuss this project
1899Year Built
3Stories
C0Building Class
R6BZoning
3,240 sfGross Floor Area
3Units
Three families · 1,800 sf lot · 1.8 FAR built · Flood zone X
Locations of Work
Architecture
Roof2p · 1 filing · 13 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
401 FIRST STREET203/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC210/07/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BROOKLYN SOLARWORKS203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN SOLARWORKS LLCGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244210/07/2025
Building Lifecycle
All (14)Filed (2)Permit Issued (1)Signed Off (1)Special Inspection (10)
10/24/2025
Signed off — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01268107-I1
10/07/2025
Filed — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01268107-P1
10/07/2025
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
10/07/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
10/07/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
10/07/2025
Special inspection requirement — Final
NARESH MAHANGU
10/07/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
09/30/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
09/30/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
09/30/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
09/30/2025
Special inspection requirement — Final
NARESH MAHANGU
09/30/2025
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
08/14/2025
Permit issued — Solar
B01268107-I1-SL
08/13/2025
Filed — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01268107-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offBROOKLYN SOLARWORKS LLC08/14/2025
BISMHISSUEDJBWS INC04/30/2014
BISOTISSUEDADVANCE CONSTRUCTION DESIGN10/25/2007
BISPLISSUEDDEWATERS10/04/2007
BISPLISSUEDI HOPE PLUMBING & HEATING CO03/21/2005
BISOTISSUEDGERVA CONST04/10/2003
BISPLISSUEDSAM'S HEATING PL & A/C INC07/24/2002
BIS—ISSUEDM & D CONSTRUCTION CO01/28/2002
1 project · most recent 08/07/2025
FiledStatusContractorScope
08/07/2025CompleteBROOKYLN SOLARWORKS, LLC—
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
10/07/2025Air barrier - visual inspectionNARESH MAHANGUenergy_progress
10/07/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
10/07/2025Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
10/07/2025FinalNARESH MAHANGUprogress
10/07/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
09/30/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
09/30/2025Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
09/30/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
09/30/2025FinalNARESH MAHANGUprogress
09/30/2025Air barrier - visual inspectionNARESH MAHANGUenergy_progress
▾Documents — 52 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/21/2026B01268107-I1Request digital key ↗
08/21/2026B01268107-P1Request digital key ↗
▸Applications & Permits6
▸BISPLAN / WORK APPROVAL APPLICATION5
03/04/2024340136622Open ↗
02/08/2024340136622Open ↗
02/06/2024302394237Open ↗
Showing 3 of 5 on file for this type
▸BISWORK PERMIT APPLICATION1
04/30/2014340136622Open ↗
▸Seals & Professional Certifications12
▸DOB NOWProgress Inspector Seal & Signature4
08/29/2026B01268107-I1Open ↗
08/29/2026B01268107-I1Open ↗
08/29/2026B01268107-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/21/2026B01268107-I1Open ↗
08/13/2026B01268107-P1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/29/2026B01268107-I1Open ↗
08/29/2026B01268107-P1Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY-CERTIFICATION1
04/30/2014340136622Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
04/23/2014340136622Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
04/23/2014340136622Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
04/23/2014340136622Open ↗
▸Trade Schedules & Equipment8
▸BISEQUIPMENT USE APPLICATION/PERMIT3
04/08/2024340136622Open ↗
03/08/2024340136622Open ↗
03/01/2024340136622Open ↗
▸BISEQUIPMENT USE PERMITS3
04/08/2024340136622Open ↗
04/08/2024340136622Open ↗
03/01/2024340136622Open ↗
▸BISHVAC & SERVICE WATER HEATING EQUIPMENT1
11/29/2023340136622Open ↗
▸BISHVAC & SERVICE WATER HEATING SYSTEM CONTROLS1
11/29/2023340136622Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/21/2026B01268107-I1Open ↗
08/13/2026B01268107-P1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
04/23/2014340136622Open ↗
▸Energy Compliance7
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
11/29/2023340136622Open ↗
04/23/2014340136622Open ↗
▸BISENERGY CODE COMPLIANCE INSPECTIONS1
11/29/2023340136622Open ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
11/29/2023340136622Open ↗
▸BIS* HVAC INSULATION AND SEALING1
11/29/2023340136622Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
04/23/2014340136622Open ↗
▸BISTR8: Energy Code Progress Inspections1
04/30/2014340136622Open ↗
▸Inspections & Test Reports5
▸BISTECHNICAL REPORT: RESPONSIBILITY3
11/30/2023302394237Open ↗
11/29/2023340136622Open ↗
04/23/2014340136622Open ↗
▸BIS* FINAL INSPECTION DIRECTIVE 14 OF 19751
11/30/2023302394237Open ↗
▸BISMECHANICAL SYSTEMS1
11/29/2023340136622Open ↗
▸Approvals, Objections & Sign-offs4
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
03/11/2024340136622Open ↗
02/05/2024302394237Open ↗
▸BISFINAL1
11/29/2023340136622Open ↗
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01268107-I1Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT (FINAL): PW32
11/21/2023302394237Open ↗
11/21/2023340136622Open ↗
▸BISCOST AFFIDAVIT1
04/23/2014340136622Open ↗
▸Filing & Intake Forms2
▸BISADDITIONAL INFORMATION1
03/04/2024340136622Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
04/23/2014340136622Open ↗