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Two family converted from one family
677 JEFFERSON AVENUE
BROOKLYN · BIN 3045511
💬 Discuss this project
1899Year Built
2Stories
B3Building Class
R6BZoning
2,820 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 2,000 sf lot · 1.41 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Roof2p · 1 filing · 20 docs
Floor 24p · 1 filing · 20 docs
Floor 11p · 1 filing · 20 docs
Cellar5p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/11/2022$2.0M—Private party → Private party$713/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
KBN SERVICES LLC706/11/2025
CA ENGINEERING, LLC304/10/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KBN SERVICES2003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GC LEADER CONSTRUCTION COGeneral Contractor603/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
RICHMOND TESTING LAB263706/11/2025
Building Lifecycle
All (97)Filed (10)Permit Issued (2)Signed Off (3)Inspection (2)Objection (50)Special Inspection (30)
07/17/2025
Signed off — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-I1
07/15/2025
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
06/26/2025
Special inspection requirement — Exterior lighting power
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Structural Steel - High Strength Bolting
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Structural Steel - Welding
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Structural Steel - Details
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Final
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Insulation placement and R values
Hazim Al-Khusaibi
06/26/2025
Special inspection requirement — Lighting controls
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Fenestration areas
Hazim Al-Khusaibi
06/26/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Hazim Al-Khusaibi
06/26/2025
Special inspection requirement — Lighting in dwelling units
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Interior lighting power
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Air barrier - visual inspection
Hazim Al-Khusaibi
06/26/2025
Special inspection requirement — Post-installed Anchors
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Masonry
RICHARD LEMANSKY
06/26/2025
Special inspection requirement — Concrete - Cast-In-Place
RICHARD LEMANSKY
06/18/2025
Objection raised — Other
06/18/2025
Objection resolved — Addressed
06/18/2025
Objection raised — Other
06/18/2025
Objection resolved — Addressed
06/11/2025
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-P8
06/03/2025
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
05/12/2025
Signed off — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-S2
04/21/2025
Special inspection requirement — Interior lighting power
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — HVAC-R and service water heating system controls
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Duct leakage testing, insulation and design
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Permanent certificate
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Shutoff dampers
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Maintenance information
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Fire-Resistance Rated Construction
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Energy Code Compliance Inspections
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Final
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — Mechanical Systems
RICHARD LEMANSKY
04/21/2025
Special inspection requirement — HVAC-R and service water heating equipment
RICHARD LEMANSKY
04/10/2025
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-P7
02/21/2025
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-P5
11/14/2024
Objection resolved — Addressed
11/14/2024
Objection resolved — Addressed
11/12/2024
Objection raised — Other
11/12/2024
Objection raised — Other
11/01/2024
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-P4
10/30/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
RICHARD LEMANSKY
10/30/2024
Special inspection requirement — Energy Code Compliance Inspections
RICHARD LEMANSKY
10/22/2024
Signed off — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-S1
06/27/2024
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-P3
05/20/2024
Objection raised — Other
05/20/2024
Objection resolved — Addressed
05/14/2024
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-P2
03/14/2024
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-P1
03/14/2024
Permit issued — Mechanical Systems
B00816610-S2-MS
09/15/2023
Permit issued — General Construction
B00816610-I1-GC-CX
07/20/2023
Filed — Alteration
Interior reno of an EXG townhouse as described herein, including removal/installation of drywalls, appliances & equip, fixtures/fittings thruout, outdoor deck installation, w/out altering footprint of EXG rooms/associated functions, general wiring thruout
B00816610-S2
06/09/2023
Objection raised — Other
06/09/2023
Objection resolved — Addressed
03/20/2023
Objection raised — Admin
03/20/2023
Objection resolved — Addressed
03/20/2023
Objection raised — Admin
Latest 60 of 97 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offGC LEADER CONSTRUCTION CO03/14/2024
DOB NOWGeneral ConstructionSigned-offGC LEADER CONSTRUCTION CO09/15/2023
2 projects · most recent 06/27/2024
General Wiring
FiledStatusContractorScope
06/27/2024CompleteELBUD ELECTRICAL CORP2 meters, 2 new_meters
10/13/2023CompleteELBUD ELECTRICAL CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
07/15/2025Pass-Final General Construction Non-Directive 14PassView ↗
06/03/2025Fail-Final General Construction Non-Directive 14FailView ↗
▾Special Inspection Requirements (DOB NOW) — 57
DateRequirementInspectorRole
06/26/2025Exterior lighting powerRICHARD LEMANSKYenergy_progress
06/26/2025Structural Steel - High Strength BoltingRICHARD LEMANSKYspecial
06/26/2025Structural Steel - WeldingRICHARD LEMANSKYspecial
06/26/2025Structural Steel - DetailsRICHARD LEMANSKYspecial
06/26/2025Structural Stability – Alterations of existing buildingsRICHARD LEMANSKYspecial
06/26/2025FinalRICHARD LEMANSKYprogress
06/26/2025Insulation placement and R valuesHazim Al-Khusaibienergy_progress
06/26/2025Lighting controlsRICHARD LEMANSKYenergy_progress
06/26/2025Fenestration areasHazim Al-Khusaibienergy_progress
06/26/2025Fenestration and door U-factor and product ratingsHazim Al-Khusaibienergy_progress
06/26/2025Lighting in dwelling unitsRICHARD LEMANSKYenergy_progress
06/26/2025Interior lighting powerRICHARD LEMANSKYenergy_progress
06/26/2025Air barrier - visual inspectionHazim Al-Khusaibienergy_progress
06/26/2025Post-installed AnchorsRICHARD LEMANSKYspecial
06/26/2025MasonryRICHARD LEMANSKYspecial
06/26/2025Concrete - Cast-In-PlaceRICHARD LEMANSKYspecial
04/21/2025Interior lighting powerRICHARD LEMANSKYenergy_progress
04/21/2025HVAC-R and service water heating system controlsRICHARD LEMANSKYenergy_progress
04/21/2025Duct leakage testing, insulation and designRICHARD LEMANSKYenergy_progress
04/21/2025Permanent certificateRICHARD LEMANSKYenergy_progress
04/21/2025Shutoff dampersRICHARD LEMANSKYenergy_progress
04/21/2025HVAC-R and service water piping design and insulationRICHARD LEMANSKYenergy_progress
04/21/2025Maintenance informationRICHARD LEMANSKYenergy_progress
04/21/2025Fire-Resistance Rated ConstructionRICHARD LEMANSKYprogress
04/21/2025Energy Code Compliance InspectionsRICHARD LEMANSKYprogress
Latest 25 of 57.
▾Documents — 48 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/27/2026B00816610-P7Request digital key ↗
08/27/2026B00816610-P5Request digital key ↗
08/27/2026B00816610-P3Request digital key ↗
Showing 3 of 10 on file for this type
▸Seals & Professional Certifications28
▸DOB NOWProgress Inspector Seal & Signature12
09/01/2026B00816610-P4Open ↗
09/01/2026B00816610-P4Open ↗
08/30/2026B00816610-P1Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/27/2026B00816610-P2Open ↗
08/27/2026B00816610-P7Open ↗
08/27/2026B00816610-P5Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/01/2026B00816610-P4Open ↗
08/30/2026B00816610-P1Open ↗
08/30/2026B00816610-P1Open ↗
Showing 3 of 6 on file for this type
▸Environmental & Asbestos10
▸DOB NOWDEP ACP-5: Asbestos Assessment Report10
08/27/2026B00816610-P5Open ↗
08/27/2026B00816610-P3Open ↗
08/27/2026B00816610-P2Open ↗
Showing 3 of 10 on file for this type