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Two family converted from one family
257 HANCOCK STREET
BROOKLYN · BIN 3052403
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1889Year Built
3Stories
B3Building Class
R6BZoning
2,800 sfGross Floor Area
2Units
Rent Stabilized1 Open Violation ▸FDNY Report ↗
Two family converted from one family · Owner of record: 257 HANCOCK MANAGEMENT LLC · 2,000 sf lot · 1.4 FAR built · Flood zone X
Locations of Work
ArchitectureGeneral
Roof1p · 1 filing · 9 docs
Bulkhead2p · 1 filing · 9 docs
Basement3p · 1 filing · 9 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
CH CONSTRUCTION907/08/2026
IK DEVELOPMENT1407/08/2026
AB PLUS R CONSTRUCTION IN103/22/2026
257 HANCOCK MANAGEMENT1903/22/2026
BNA SERVICES303/22/2026
LAKHI GENERAL CONTRACTORS203/22/2026
AMON CONSTRUCTION CORP103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/01/2019$1.4M—Private party → 257 HANCOCK MANAGEMENT LLC$483/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
INFOCUS DESIGN AND PLANNING PC506/24/2024
ASHRAF CORP302/08/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
XH&RC PLUMBING AND HEATING INC803/21/2026
DANICO SERVICES603/21/2026
INFOCUS DESIGN AND PLANNING PC203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ALL PRO PLBG & HTG INCPlumbing907/08/2026
IK MGNT LLCGeneral Contractor603/21/2026
BNA SERVICES INCGeneral Contractor303/21/2026
LAKHI GENERAL CONTRACTORGeneral Contractor307/08/2026
AMAN CONSTRUCTION SVC LLCGeneral Contractor303/21/2026
MABE GROUP INCGeneral Contractor107/08/2026
SUPERB PROPERTY MNG'TGeneral Contractor107/08/2026
MARIO CASTROElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CENTURY TESTING & CONSULT4081306/24/2024
Building Lifecycle
All (142)Filed (8)Permit Issued (10)Signed Off (5)Violation (29)Inspection (5)Objection (56)Special Inspection (29)
09/10/2025
Signed off — Alteration
New plumbing installation
B00425430-S4
09/10/2025
Signed off — Alteration
New plumbing installation
B00425430-S2
09/09/2025
Permit issued — Mechanical Systems
B00425430-S2-MS
09/03/2025
Signed off — Alteration
INSTALLATION OF HEAVYDUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33 OF THE 2014 NYC BUILDING CODE.
B00459155-I1
09/03/2025
Signed off — Alteration
B00331035-I1
09/03/2025
Signed off — Alteration
INSTALLATION OF MEDIUM DUTY PIPE SCAFFOLDING AS PER PLANS NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. PIPE SCAFFOLDING SHALL COMPLY WITH CHAPTER 33 OF THE 2014 NYC BUILDING CODE.
B00464733-I1
08/13/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
08/08/2025
Permit issued — Plumbing
B00425430-S4-PL
02/26/2025
Permit issued — Construction Fence
B00331035-I1-FN
02/05/2025
Violation issued (ECB, closed)
Construction
08/15/2024
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
08/15/2024
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
08/15/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
08/15/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
08/02/2024
Permit issued — Plumbing
B00425430-S4-PL
07/24/2024
Objection raised — Other
07/24/2024
Objection resolved — Addressed
07/24/2024
Objection raised — Other
07/24/2024
Objection resolved — Addressed
07/24/2024
Objection resolved — Addressed
07/18/2024
Objection resolved — Addressed
07/18/2024
Objection resolved — Addressed
07/18/2024
Objection resolved — Addressed
07/18/2024
Objection resolved — Addressed
07/18/2024
Objection resolved — Addressed
07/18/2024
Objection resolved — Addressed
07/09/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
FRANZ SEBORGA
07/09/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
FRANZ SEBORGA
07/09/2024
Special inspection requirement — Maintenance information
FRANZ SEBORGA
07/09/2024
Special inspection requirement — HVAC-R and service water heating equipment
FRANZ SEBORGA
07/09/2024
Special inspection requirement — HVAC-R and service water heating system controls
FRANZ SEBORGA
07/09/2024
Special inspection requirement — Energy Code Compliance Inspections
FRANZ SEBORGA
07/08/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
FRANZ SEBORGA
07/08/2024
Special inspection requirement — HVAC-R and service water heating system controls
FRANZ SEBORGA
07/08/2024
Special inspection requirement — HVAC-R and service water heating equipment
FRANZ SEBORGA
07/03/2024
Objection raised — Other
07/03/2024
Objection raised — Inspections
07/03/2024
Objection raised — Scope
07/03/2024
Objection raised — Inspections
07/03/2024
Objection raised — Structural
07/03/2024
Objection raised — Admin
07/03/2024
Objection raised — Inspections
06/24/2024
Filed — Alteration
New plumbing installation
B00425430-S4
06/21/2024
Filed — Alteration
New plumbing installation
B00425430-S2
02/22/2024
Permit issued — Sidewalk Shed
B00459155-I1-SH
02/22/2024
Permit issued — Supported Scaffold
B00464733-I1-SF
03/23/2023
Violation issued (ECB, closed)
Construction
03/23/2023
Violation issued (ECB, closed)
Construction
09/14/2022
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
07/21/2022
Violation issued (ECB, closed)
Construction
06/28/2022
Violation issued (ECB, closed)
Construction
06/28/2022
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/28/2022
Violation issued (ECB, closed)
Construction
06/28/2022
Violation issued (ECB, closed)
Construction
04/15/2022
Violation issued (ECB, closed)
Unknown
05/13/2021
Objection raised — Other
05/13/2021
Objection resolved — Resolved
05/13/2021
Objection raised — Other
05/13/2021
Objection resolved — Resolved
05/13/2021
Objection raised — Other
Latest 60 of 142 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offIK MGNT LLC09/09/2025
DOB NOWPlumbingSigned-offALL PRO PLBG & HTG INC08/08/2025
DOB NOWConstruction FenceSigned-offIK MGNT LLC02/26/2025
DOB NOWPlumbingSigned-offALL PRO PLBG & HTG INC08/02/2024
DOB NOWSidewalk ShedSigned-offLAKHI GENERAL CONTRACTOR02/22/2024
DOB NOWSupported ScaffoldSigned-offLAKHI GENERAL CONTRACTOR02/22/2024
DOB NOWSupported ScaffoldSigned-offAMAN CONSTRUCTION SVC LLC03/15/2021
DOB NOWConstruction FenceSigned-offAB BUILDERS NY03/12/2021
DOB NOWConstruction FenceSigned-offBNA SERVICES INC01/21/2021
DOB NOWConstruction FenceSigned-offSUPERB PROPERTY MGMT NY03/23/2020
BISOTISSUEDAB PLUS R CONSTRUCTION IN06/24/2024
BISOTISSUEDMABE GROUP INC03/27/2024
BISOTISSUEDMABE GROUP INC02/05/2024
BISOTISSUEDMABE GROUP INC08/20/2021
BISOTISSUEDMABE GROUP INC04/16/2021
BISOTISSUEDBNA SERVICES INC09/23/2020
BISOTISSUEDSUPERB PROPERTY MNG'T06/30/2020
BISEQISSUEDLAKHI GENERAL CONTRACTOR05/02/2016
1 project · most recent 06/24/2024
Gas Storm Water/Sanitary
FiledStatusContractorScope
06/24/2024Signed-offALL PRO PLBG & HTG INCGas, Storm, Water/Sanitary
2 projects · most recent 07/28/2021
General Wiring
FiledStatusContractorScope
07/28/2021Permit IssuedPOWER SURGE ELECTRIC, INCGeneral Wiring
07/27/2020Permit IssuedPOWER SURGE ELECTRIC, INCGeneral Wiring
1 project · most recent 06/24/2024
Steel Masonry
FiledStatusContractorScope
06/24/2024Signed-offIK MGNT LLCSteel, Masonry
1 project · most recent 06/24/2024
Fence
FiledStatusContractorScope
06/24/2024Signed-offIK MGNT LLCFence
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
08/13/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
08/15/2024Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
08/15/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
08/15/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
08/15/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 29
DateRequirementInspectorRole
07/09/2024Fire-Resistant Penetrations and JointsFRANZ SEBORGAspecial
07/09/2024HVAC-R and service water piping design and insulationFRANZ SEBORGAenergy_progress
07/09/2024Maintenance informationFRANZ SEBORGAenergy_progress
07/09/2024HVAC-R and service water heating equipmentFRANZ SEBORGAenergy_progress
07/09/2024HVAC-R and service water heating system controlsFRANZ SEBORGAenergy_progress
07/09/2024Energy Code Compliance InspectionsFRANZ SEBORGAprogress
07/08/2024HVAC-R and service water piping design and insulationFRANZ SEBORGAenergy_progress
07/08/2024HVAC-R and service water heating system controlsFRANZ SEBORGAenergy_progress
07/08/2024HVAC-R and service water heating equipmentFRANZ SEBORGAenergy_progress
04/26/2021HVAC-R and service water piping design and insulation—energy_progress
04/26/2021Maintenance information—energy_progress
04/26/2021Fenestration areas—energy_progress
04/26/2021Vestibules—energy_progress
04/26/2021Metering—energy_progress
04/26/2021Lighting in dwelling units—energy_progress
04/26/2021Structural Stability – Alterations of existing buildings—special
04/26/2021Fire-Resistant Penetrations and Joints—special
04/26/2021Air barrier - visual inspection—energy_progress
04/26/2021Insulation placement and R values—energy_progress
04/26/2021Fenestration and door U-factor and product ratings—energy_progress
04/26/2021Exterior lighting power—energy_progress
04/26/2021Interior lighting power—energy_progress
04/26/2021Fenestration air leakage—energy_progress
04/26/2021Lighting controls—energy_progress
01/06/2021PreliminaryFRANZ SEBORGAprogress
Latest 25 of 29.
▾Documents — 125 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch - Construction Fence2
09/02/2026B00331035-I1Request digital key ↗
09/02/2026B00425430-I1Request digital key ↗
▸DOB NOWPlans/Sketch2
09/02/2026B00425430-S4Request digital key ↗
08/15/2026B00510736-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Structural1
08/15/2026B00425430-S1Request digital key ↗
▸DOB NOWPlans/Sketch - Mechanical Systems1
09/02/2026B00425430-S2Request digital key ↗
▸DOB NOWPlans/Sketch - Sidewalk Shed1
09/01/2026B00459155-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Supported Scaffold1
09/01/2026B00464733-I1Request digital key ↗
▸Applications & Permits29
▸BISPLAN / WORK APPROVAL APPLICATION12
08/18/2025340724782Open ↗
08/01/2025340724782Open ↗
06/24/2025340724782Open ↗
Showing 3 of 12 on file for this type
▸BISWORK PERMIT APPLICATION11
04/08/2024340724782Open ↗
03/26/2024340724782Open ↗
02/26/2024340724782Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWLPC Approval/Permit4
09/02/2026B00425430-S4Open ↗
09/02/2026B00425430-S2Open ↗
08/15/2026B00425430-S1Open ↗
Showing 3 of 4 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
11/26/2019321300221Open ↗
▸BISBPP-5 - Authorization to the Department of Transportation1
01/05/2021340747776Open ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B00510736-I1Open ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B00510736-I1Open ↗
▸Seals & Professional Certifications20
▸DOB NOWDPL-1: Design Professional Seal & Signature8
09/02/2026B00425430-S2Open ↗
09/02/2026B00425430-I1Open ↗
09/02/2026B00425430-S1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
08/29/2026B00425430-S4Open ↗
08/29/2026B00425430-S4Open ↗
08/23/2026B00425430-S2Open ↗
Showing 3 of 4 on file for this type
▸BISAPPLICANT OWNER SIGNATURE2
01/05/2021340747776Open ↗
04/27/2020340724782Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/29/2026B00425430-S4Open ↗
08/23/2026B00425430-S2Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
05/04/2016321300221Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
05/04/2016321300221Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
01/05/2021340747776Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
08/29/2019322012497Open ↗
▸Safety & Tenant Protection5
▸BISSTREET TREE CHECKLIST2
01/05/2021340747776Open ↗
12/17/2020322012497Open ↗
▸BISBPP: STREET TREES SITE PLAN1
01/05/2021340747776Open ↗
▸BISTenant Protection Plan and Notes1
05/20/2020340724782Open ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026B00510736-I1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
09/02/2026B00425430-S4Open ↗
08/15/2026B00425430-S1Open ↗
08/13/2026B00510736-I1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
05/20/2020340724782Open ↗
▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)1
06/30/2020340724782Open ↗
▸Energy Compliance11
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY7
09/16/2025340724782Open ↗
09/16/2025340724782Open ↗
09/16/2025340724782Open ↗
Showing 3 of 7 on file for this type
▸BISENERGY CODE COMPLIANCE INSPECTIONS1
08/20/2025340724782Open ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
08/14/2025340724782Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
08/29/2019322012497Open ↗
▸BISAIR SEALING AND INSULATION - VISUAL1
08/20/2025340724782Open ↗
▸Inspections & Test Reports8
▸BISTECHNICAL REPORT: RESPONSIBILITY6
09/16/2025340724782Open ↗
09/16/2025340724782Open ↗
09/16/2025340724782Open ↗
Showing 3 of 6 on file for this type
▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1
08/20/2025340724782Open ↗
▸BISSTRUCTURAL STABILITY - ALTERATIONS OF EXISTING BUILDINGS1
08/20/2025340724782Open ↗
▸Approvals, Objections & Sign-offs8
▸BISLANDMARKS APPROVAL3
01/15/2021322012497Open ↗
01/05/2021340747776Open ↗
06/25/2020340724782Open ↗
▸BISLANDMARKS SIGNOFF1
09/16/2025340724782Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
08/29/2019322012497Open ↗
▸BISFINAL1
08/20/2025340724782Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
04/19/2021340724782Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
09/17/2025340724782Open ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT4
01/15/2021322012497Open ↗
12/17/2020322012497Open ↗
05/20/2020340724782Open ↗
Showing 3 of 4 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW31
08/20/2025340724782Open ↗
▸Filing & Intake Forms14
▸BISADDITIONAL INFORMATION8
07/17/2025340724782Open ↗
09/15/2021340724782Open ↗
12/17/2020322012497Open ↗
Showing 3 of 8 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET2
01/05/2021340747776Open ↗
04/27/2020340724782Open ↗
▸BISEFILING COVER SHEET2
08/29/2019322012497Open ↗
05/04/2016321300221Open ↗
▸BISBOROUGH INTAKE FORM1
09/28/2020340724782Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
01/05/2021340747776Open ↗
▸Other Documents10
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION3
02/11/2021322012497Open ↗
02/08/2021322012497Open ↗
02/04/2021322012497Open ↗
▸BISSupporting Document: Fee Deferment2
05/20/2020340724782Open ↗
05/20/2020340724782Open ↗
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
01/15/2021322012497Open ↗
▸BISPLOT DIAGRAM1
08/29/2019322012497Open ↗
▸BISPRELIMINARY1
08/20/2025340724782Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B00510736-I1Open ↗
▸DOB NOWPlot Diagram1
08/13/2026B00510736-I1Open ↗