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Two family converted from one family
607 JEFFERSON AVENUE
BROOKLYN · BIN 3045440
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1899Year Built
3Stories
B3Building Class
R6BZoning
3,728 sfGross Floor Area
2Units
Rent Stabilized1 Open Violation ▸FDNY Report ↗
Two family converted from one family · 2,000 sf lot · 1.86 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/30/2020$3.0M—Private party → Private party$798/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC108/22/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BROOKLYN SOLARWORKS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GSA ELECTRIC CORP.Electrical103/22/2026
BROOKLYN SOLARWORKS LLCGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244108/22/2025
Building Lifecycle
All (10)Filed (1)Permit Issued (1)Signed Off (1)Violation (2)Special Inspection (5)
10/30/2025
Signed off — Alteration
B01274944-I1
08/27/2025
Permit issued — Solar
B01274944-I1-SL
08/22/2025
Filed — Alteration
B01274944-I1
08/20/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
08/20/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
08/20/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
08/20/2025
Special inspection requirement — Final
NARESH MAHANGU
08/20/2025
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
10/09/2015
Violation issued (HPD, closed)
I
01/17/2000
Violation issued (HPD, open)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offBROOKLYN SOLARWORKS LLC08/27/2025
BISPLISSUEDARCO PLBG AND HTG INC09/26/2017
BISSPISSUEDPARKSET PLBG CO INC06/14/2017
BIS—ISSUEDNO LIMIT CONTRACTING INC10/24/2016
BISSPISSUEDPARKSET PLBG CO INC05/25/2016
BIS—ISSUEDNO LIMIT CONTRACTING INC10/28/2015
BISPLISSUEDMCMILLAN PLBG & HTG.INC11/13/2014
BIS—ISSUEDNO LIMIT CONTRACTING INC11/06/2014
3 projects · most recent 08/20/2025
General Wiring
FiledStatusContractorScope
08/20/2025CompleteBROOKYLN SOLARWORKS, LLC—
06/22/2018CompleteWCK ELECTRIC CORP.—
02/08/2018CompleteGSA ELECTRIC CORP.General Wiring
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
08/20/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
08/20/2025Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
08/20/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
08/20/2025FinalNARESH MAHANGUprogress
08/20/2025Air barrier - visual inspectionNARESH MAHANGUenergy_progress
▾Documents — 77 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/20/2026B01274944-I1Request digital key ↗
▸Applications & Permits15
▸BISPLAN / WORK APPROVAL APPLICATION7
03/04/2019320917905Open ↗
09/19/2017321280145Open ↗
12/05/2015321280145Open ↗
Showing 3 of 7 on file for this type
▸BISWORK PERMIT APPLICATION6
09/27/2017320917905Open ↗
10/26/2016320917905Open ↗
06/03/2016321280145Open ↗
Showing 3 of 6 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
08/25/2016321280145Open ↗
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
07/23/2018320917905Open ↗
▸Seals & Professional Certifications11
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION5
02/27/2019320917905Open ↗
06/09/2017321280145Open ↗
06/09/2017321280145Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature2
08/25/2026B01274944-I1Open ↗
08/25/2026B01274944-I1Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
12/05/2015321280145Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
12/05/2015321280145Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026B01274944-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/25/2026B01274944-I1Open ↗
▸Trade Schedules & Equipment5
▸BISSCHEDULE B - PLUMBING2
05/04/2015320917905Open ↗
07/01/2014320917905Open ↗
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
09/19/2017321280145Open ↗
12/05/2015321280145Open ↗
▸BISSELF-CERT PLUMBING NOTICE1
04/29/2015320917905Open ↗
▸Safety & Tenant Protection3
▸BISSRO MD ANTI-HARASSMENT CHECKLIST1
12/05/2015321280145Open ↗
▸BISST-1 Street Tree Checklist1
07/01/2014320917905Open ↗
▸BISHPD: CERTIFICATE OF NO HARASSMENT1
07/01/2014320917905Open ↗
▸Environmental & Asbestos2
▸BISACP5 ASBESTOS: CERTIFICATION (DEP ACP5)1
07/25/2014320917905Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01274944-I1Open ↗
▸Energy Compliance5
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS3
02/27/2019320917905Open ↗
02/27/2019320917905Open ↗
11/10/2014320917905Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
02/27/2019320917905Open ↗
▸BISTR8: Energy Code Progress Inspections1
07/25/2014320917905Open ↗
▸Approvals, Objections & Sign-offs14
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST4
03/22/2019320917905Open ↗
02/27/2019320917905Open ↗
02/12/2019321280145Open ↗
Showing 3 of 4 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION4
10/10/2014320917905Open ↗
09/15/2014320917905Open ↗
09/15/2014320917905Open ↗
Showing 3 of 4 on file for this type
▸BISSCHEDULE A - OCCUPANCY - USE4
09/10/2014320917905Open ↗
07/01/2014320917905Open ↗
03/04/2019320917905Open ↗
Showing 3 of 4 on file for this type
▸BISSUPERSEDING LETTER1
09/27/2017320917905Open ↗
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01274944-I1Open ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT5
02/27/2019320917905Open ↗
02/12/2019321280145Open ↗
07/19/2018321280145Open ↗
Showing 3 of 5 on file for this type
▸Filing & Intake Forms14
▸BISADDITIONAL INFORMATION7
02/15/2019320917905Open ↗
12/04/2018320917905Open ↗
09/19/2017321280145Open ↗
Showing 3 of 7 on file for this type
▸BISBOROUGH INTAKE FORM5
03/22/2019320917905Open ↗
02/27/2019320917905Open ↗
02/12/2019321280145Open ↗
Showing 3 of 5 on file for this type
▸BISeFiling Job Application Cover Sheet1
07/01/2014320917905Open ↗
▸BISEFILING COVER SHEET1
12/05/2015321280145Open ↗
▸Other Documents2
▸BISPLOT DIAGRAM2
02/27/2019320917905Open ↗
07/01/2014320917905Open ↗