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Two family converted from one family
427 HANCOCK STREET
BROOKLYN · BIN 3052537
💬 Discuss this project
1899Year Built
3Stories
B3Building Class
R6BZoning
3,192 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 1,900 sf lot · 1.68 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
04/28/2023$1.9M—Private party → Private party$595/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
BARRY STRUCTURAL ENGINEERING, PLLC107/05/2023
MARCELLO FERRI ARCHITECT107/03/2023
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MODERN STEEL CONSTRUCTIONGeneral Contractor407/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
BARRY STRUCTURAL ENGINEER749107/05/2023
Building Lifecycle
All (35)Filed (2)Permit Issued (2)Signed Off (2)Objection (28)Special Inspection (1)
05/23/2024
Signed off — Alteration
Installation of deck and stair at rear yard.
B00890853-I1
05/22/2024
Signed off — Alteration
Installation of deck and stair at rear yard.
B00890853-S1
02/16/2024
Permit issued — General Construction
B00890853-I1-GC
02/12/2024
Permit issued — Structural
B00890853-S1-ST
07/12/2023
Objection raised — Structural
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Other
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Structural
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Admin
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Scope
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Other
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Inspections
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Inspections
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Scope
07/12/2023
Objection resolved — Addressed
07/12/2023
Objection raised — Scope
07/12/2023
Objection resolved — Addressed
07/11/2023
Objection raised — Site survey detailing building
07/11/2023
Objection resolved — Addressed
07/11/2023
Objection raised — Structural
07/11/2023
Objection resolved — Addressed
07/10/2023
Objection raised — Scope
07/10/2023
Objection resolved — Addressed
07/10/2023
Objection raised — Scope
07/10/2023
Objection resolved — Addressed
07/05/2023
Filed — Alteration
Installation of deck and stair at rear yard.
B00890853-S1
07/03/2023
Filed — Alteration
Installation of deck and stair at rear yard.
B00890853-I1
06/14/2023
Special inspection requirement — Final
MARCELLO FERRI
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offMODERN STEEL CONSTRUCTION02/16/2024
DOB NOWStructuralSigned-offMODERN STEEL CONSTRUCTION02/12/2024
1 project · most recent 06/25/2025
FiledStatusContractorScope
06/25/2025Permit IssuedJOSEPH WEINSTEIN ELECTRIC2 meters
▾Special Inspection Requirements (DOB NOW) — 1
DateRequirementInspectorRole
06/14/2023FinalMARCELLO FERRIprogress
▾Documents — 5 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/15/2026B00890853-I1Request digital key ↗
08/15/2026B00890853-S1Request digital key ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/13/2026B00890853-S1Open ↗
08/13/2026B00890853-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B00890853-I1Open ↗