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Two family converted from one family
304 PROSPECT PLACE
BROOKLYN · BIN 3028813
💬 Discuss this project
1896Year Built
2Stories
B3Building Class
R6BZoning
2,295 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 2,336 sf lot · 0.98 FAR built · Flood zone X
Locations of Work
Architecture
Floor 11p · 2 filings · 10 docs
Basement2p · 2 filings · 10 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JOHN H HATHEWAY JR., ARCHITECT310/21/2024
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
DESIGN TECH CONSTRUCT CORGeneral Contractor304/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JOHN H HATHEWAY JR., ARCH4175210/21/2024
Building Lifecycle
All (43)Filed (2)Permit Issued (2)Signed Off (1)Objection (28)Special Inspection (10)
03/03/2026
Signed off — Alteration
New horizontal extension at 1st floor rear - enclosed porch, unconditioned space. Remove existing open porch. No change to occupancy, use or egress.
B01129430-I1
01/06/2026
Permit issued — General Construction
B01129430-I1-GC
11/12/2025
Permit issued — General Construction
B01129430-I1-GC
10/08/2025
Objection resolved — Addressed
09/29/2025
Objection resolved — Addressed
09/09/2025
Objection resolved — Addressed
03/25/2025
Objection resolved — Addressed
02/25/2025
Objection resolved — Addressed
02/25/2025
Objection resolved — Addressed
02/06/2025
Special inspection requirement — Final
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
10/23/2024
Objection raised — Other
10/23/2024
Objection raised — Other
10/23/2024
Objection raised — Structural
10/23/2024
Objection raised — Scope
10/23/2024
Objection raised — Zoning
10/23/2024
Objection raised — Zoning
10/23/2024
Objection raised — Structural
10/23/2024
Objection raised — Scope
10/23/2024
Objection raised — Admin
10/23/2024
Objection raised — Scope
10/23/2024
Objection raised — Structural
10/23/2024
Objection raised — Other
10/23/2024
Objection raised — Zoning
10/23/2024
Objection raised — Structural
10/21/2024
Filed — Alteration
New horizontal extension at 1st floor rear - enclosed porch, unconditioned space. Remove existing open porch. No change to occupancy, use or egress.
B01129430-I1
04/11/2024
Filed — Alteration
B01027185-I1
04/11/2024
Special inspection requirement — Air barrier - visual inspection
John Hatheway
04/11/2024
Special inspection requirement — Energy Code Compliance Inspections
John Hatheway
04/11/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
John Hatheway
04/11/2024
Special inspection requirement — Fenestration areas
John Hatheway
04/11/2024
Special inspection requirement — Fenestration air leakage
John Hatheway
04/10/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
John Hatheway
04/10/2024
Special inspection requirement — Concrete - Cast-In-Place
John Hatheway
04/10/2024
Special inspection requirement — Fire-Resistance Rated Construction
John Hatheway
03/28/2024
Special inspection requirement — Final
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offDESIGN TECH CONSTRUCT COR01/06/2026
DOB NOWGeneral ConstructionSigned-offDESIGN TECH CONSTRUCT COR11/12/2025
BISPLISSUEDDC BUILDING SERVICES INC04/17/2007
BISMHISSUEDEUROMAX CONSTRUCTION CORPORATION02/23/2007
1 project · most recent 11/20/2025
General Wiring
FiledStatusContractorScope
11/20/2025CompleteSUNBIRD ELECTRICAL CONTRGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
02/06/2025Final—progress
04/11/2024Air barrier - visual inspectionJohn Hathewayenergy_progress
04/11/2024Energy Code Compliance InspectionsJohn Hathewayprogress
04/11/2024Fenestration and door U-factor and product ratingsJohn Hathewayenergy_progress
04/11/2024Fenestration areasJohn Hathewayenergy_progress
04/11/2024Fenestration air leakageJohn Hathewayenergy_progress
04/10/2024Fire-Resistant Penetrations and JointsJohn Hathewayspecial
04/10/2024Concrete - Cast-In-PlaceJohn Hathewayspecial
04/10/2024Fire-Resistance Rated ConstructionJohn Hathewayprogress
03/28/2024Final—progress
▾Documents — 10 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/25/2026B01027185-I1Request digital key ↗
08/23/2026B01129430-I1Request digital key ↗
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026B01129430-I1Open ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B01129430-I1Open ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/23/2026B01129430-I1Open ↗
08/13/2026B01027185-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/23/2026B01129430-I1Open ↗
▸Other Documents3
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B01129430-I1Open ↗
▸DOB NOWPlot Diagram1
08/13/2026B01129430-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B01129430-I1Open ↗