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Miscellaneous two family
427 4 STREET
BROOKLYN · BIN 3021154
💬 Discuss this project
1899Year Built
3Stories
B9Building Class
R6BZoning
3,384 sfGross Floor Area
2Units
Miscellaneous two family · 1,900 sf lot · 1.78 FAR built · Flood zone X
Locations of Work
ArchitectureMechanical
Roof13p · 1 filing · 20 docs
Floor 311p · 1 filing · 20 docs
Floor 211p · 1 filing · 20 docs
Floor 111p · 1 filing · 20 docs
Cellar11p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/17/2021$3.5M—Private party → Private party$1,020/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SARAH JACOBY ARCHITECT, DPC408/04/2024
GASBARRO STRUCTURAL ENGINEERING305/30/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
JOSEPH FELLNER703/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
DESIGN TECH CONSTRUCT CORGeneral Contractor607/08/2026
ASPECT PLBNG&HTNG CO LLCPlumbing207/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
GASBARRO STRUCTURAL ENGIN5919508/04/2024
SARAH JACOBY ARCHITECT5641208/04/2024
Building Lifecycle
All (84)Filed (7)Permit Issued (6)Signed Off (3)Inspection (6)Objection (32)Special Inspection (30)
09/09/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
08/04/2024
Filed — Alteration CO
PLUMBING WORK FILED IN CONJUNCTION WITH THE RENOVATION OF THE BUILDING
B00693636-P3
07/23/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
Sarah Jacoby
07/23/2024
Special inspection requirement — HVAC-R and service water heating equipment
Sarah Jacoby
07/23/2024
Special inspection requirement — Insulation placement and R values
Sarah Jacoby
07/23/2024
Special inspection requirement — Energy Code Compliance Inspections
Sarah Jacoby
07/23/2024
Special inspection requirement — Fenestration areas
Sarah Jacoby
07/23/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
Sarah Jacoby
07/23/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Sarah Jacoby
07/23/2024
Special inspection requirement — Mechanical Systems
Sarah Jacoby
07/23/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Thomas Gasbarro
07/23/2024
Special inspection requirement — HVAC-R and service water heating system controls
Sarah Jacoby
07/23/2024
Special inspection requirement — Air barrier - visual inspection
Sarah Jacoby
07/23/2024
Special inspection requirement — Fire-Resistance Rated Construction
Sarah Jacoby
07/23/2024
Special inspection requirement — Final
Sarah Jacoby
07/23/2024
Special inspection requirement — Permanent certificate
Sarah Jacoby
07/23/2024
Special inspection requirement — Lighting in dwelling units
Sarah Jacoby
07/23/2024
Special inspection requirement — Maintenance information
Sarah Jacoby
07/01/2024
Signed off — Alteration CO
PLUMBING WORK FILED IN CONJUNCTION WITH THE RENOVATION OF THE BUILDING
B00693636-S1
12/15/2023
Signed off — Alteration
Construction fence at rear yard in conjunction with the renovation of the building
B08024844-I1
11/21/2023
Signed off — Alteration CO
PLUMBING WORK FILED IN CONJUNCTION WITH THE RENOVATION OF THE BUILDING
B00693636-S2
10/27/2023
Permit issued — Construction Fence
B08024844-I1-FN
10/24/2023
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
10/24/2023
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
10/12/2023
Permit issued — Plumbing
B00693636-S1-PL
09/28/2023
Permit issued — General Construction
B00693636-I1-GC-CX
08/24/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
05/31/2023
Special inspection requirement — Structural Steel - Details
Thomas Gasbarro
05/31/2023
Special inspection requirement — Masonry
Thomas Gasbarro
05/31/2023
Special inspection requirement — Concrete - Cast-In-Place
Thomas Gasbarro
05/31/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
Thomas Gasbarro
05/31/2023
Special inspection requirement — Post-installed Anchors
Thomas Gasbarro
05/31/2023
Special inspection requirement — Subgrade Inspections
Thomas Gasbarro
05/31/2023
Special inspection requirement — Structural Cold-Formed Steel
Thomas Gasbarro
05/31/2023
Special inspection requirement — Structural Wood Frame
Thomas Gasbarro
05/31/2023
Special inspection requirement — Final
Thomas Gasbarro
05/30/2023
Filed — Alteration CO
PLUMBING WORK FILED IN CONJUNCTION WITH THE RENOVATION OF THE BUILDING
B00693636-P2
05/28/2023
Special inspection requirement — Concrete - Cast-In-Place
Thomas Gasbarro
05/28/2023
Special inspection requirement — Structural Wood Frame
Thomas Gasbarro
05/28/2023
Special inspection requirement — Final
Thomas Gasbarro
05/28/2023
Special inspection requirement — Subgrade Inspections
Thomas Gasbarro
05/28/2023
Special inspection requirement — Structural Steel - Details
Thomas Gasbarro
05/16/2023
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
05/16/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
10/20/2022
Filed — Alteration
Construction fence at rear yard in conjunction with the renovation of the building
B08024844-I1
10/13/2022
Permit issued — Plumbing
B00693636-S1-PL
10/06/2022
Filed — Alteration CO
PLUMBING WORK FILED IN CONJUNCTION WITH THE RENOVATION OF THE BUILDING
B00693636-S1
10/05/2022
Permit issued — Structural
B00693636-S2-ST
10/03/2022
Filed — Alteration CO
PLUMBING WORK FILED IN CONJUNCTION WITH THE RENOVATION OF THE BUILDING
B00693636-P1
10/03/2022
Permit issued — Mechanical Systems
B00693636-I1-GC-CX
09/23/2022
Filed — Alteration CO
PLUMBING WORK FILED IN CONJUNCTION WITH THE RENOVATION OF THE BUILDING
B00693636-S2
09/12/2022
Objection raised — Structural
09/12/2022
Objection resolved — Addressed
09/09/2022
Objection raised — Other
09/09/2022
Objection resolved — Addressed
09/09/2022
Objection raised — Structural
09/09/2022
Objection resolved — Addressed
04/13/2022
Objection raised — Scope
04/13/2022
Objection resolved — Addressed
04/13/2022
Objection raised — Scope
Latest 60 of 84 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FenceSigned-offDESIGN TECH CONSTRUCT COR10/27/2023
DOB NOWPlumbingSigned-offASPECT PLBNG&HTNG CO LLC10/12/2023
DOB NOWGeneral ConstructionPermit IssuedDESIGN TECH CONSTRUCT COR09/28/2023
DOB NOWPlumbingSigned-offASPECT PLBNG&HTNG CO LLC10/13/2022
DOB NOWStructuralSigned-offDESIGN TECH CONSTRUCT COR10/05/2022
DOB NOWMechanical SystemsPermit IssuedDESIGN TECH CONSTRUCT COR10/03/2022
BISOTISSUEDBROOKLYN SOLARWORKS LLC08/29/2023
1 project · most recent 08/04/2024
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
08/04/2024Permit IssuedDESIGN TECH CONSTRUCT CORHeating and Air Conditioning Systems
Heat / Cool
Mitsubishi Electric MXZ-SM48NAMHZ-U1 48,000 BTU · Split System ×4
1 project · most recent 08/04/2024
Gas Water/Sanitary
FiledStatusContractorScope
08/04/2024Signed-offASPECT PLBNG&HTNG CO LLCGas, Water/Sanitary
2 projects · most recent 07/06/2024
General Wiring
FiledStatusContractorScope
07/06/2024CompleteSUNBIRD ELECTRICAL CONTRGeneral Wiring
11/16/2023CompleteBROOKYLN SOLARWORKS, LLC—
1 project · most recent 08/04/2024
Steel Concrete Masonry Wood
FiledStatusContractorScope
08/04/2024Signed-offASPECT PLBNG&HTNG CO LLCSteel, Concrete, Masonry, Wood
▾Field Inspections (DOB CAP) — 6
DateTypeResultReport
09/09/2024Pass-Final CND-Occupancy InspectionPassView ↗
10/24/2023Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
10/24/2023Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
08/24/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
05/16/2023Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
05/16/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 38
DateRequirementInspectorRole
07/23/2024HVAC-R and service water piping design and insulationSarah Jacobyenergy_progress
07/23/2024HVAC-R and service water heating equipmentSarah Jacobyenergy_progress
07/23/2024Insulation placement and R valuesSarah Jacobyenergy_progress
07/23/2024Energy Code Compliance InspectionsSarah Jacobyprogress
07/23/2024Fenestration areasSarah Jacobyenergy_progress
07/23/2024Fenestration and door U-factor and product ratingsSarah Jacobyenergy_progress
07/23/2024Fire-Resistant Penetrations and JointsSarah Jacobyspecial
07/23/2024Mechanical SystemsSarah Jacobyspecial
07/23/2024Structural Stability – Alterations of existing buildingsThomas Gasbarrospecial
07/23/2024HVAC-R and service water heating system controlsSarah Jacobyenergy_progress
07/23/2024Air barrier - visual inspectionSarah Jacobyenergy_progress
07/23/2024Fire-Resistance Rated ConstructionSarah Jacobyprogress
07/23/2024FinalSarah Jacobyprogress
07/23/2024Permanent certificateSarah Jacobyenergy_progress
07/23/2024Lighting in dwelling unitsSarah Jacobyenergy_progress
07/23/2024Maintenance informationSarah Jacobyenergy_progress
05/31/2023Structural Steel - DetailsThomas Gasbarrospecial
05/31/2023MasonryThomas Gasbarrospecial
05/31/2023Concrete - Cast-In-PlaceThomas Gasbarrospecial
05/31/2023Structural Stability – Alterations of existing buildingsThomas Gasbarrospecial
05/31/2023Post-installed AnchorsThomas Gasbarrospecial
05/31/2023Subgrade InspectionsThomas Gasbarrospecial
05/31/2023Structural Cold-Formed SteelThomas Gasbarrospecial
05/31/2023Structural Wood FrameThomas Gasbarroprogress
05/31/2023FinalThomas Gasbarroprogress
Latest 25 of 38.
▾Documents — 79 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/28/2026B00693636-P3Request digital key ↗
08/28/2026B00693636-P2Request digital key ↗
08/28/2026B00693636-P1Request digital key ↗
Showing 3 of 7 on file for this type
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
07/25/2023340894170Open ↗
▸BISWORK PERMIT APPLICATION1
08/29/2023340894170Open ↗
▸Zoning, Tax Lot & Property Records3
▸DOB NOWZD1: DOB Zoning Diagram2
08/13/2026B00693636-P3Open ↗
08/13/2026B00693636-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00693636-I1Open ↗
▸Seals & Professional Certifications34
▸DOB NOWSpecial Inspector Seal & Signature16
09/01/2026B00693636-S2Open ↗
09/01/2026B00693636-S2Open ↗
09/01/2026B00693636-S2Open ↗
Showing 3 of 16 on file for this type
▸DOB NOWProgress Inspector Seal & Signature9
09/01/2026B00693636-S2Open ↗
09/01/2026B00693636-S2Open ↗
09/01/2026B00693636-P2Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/28/2026B00693636-I1Open ↗
08/28/2026B00693636-P3Open ↗
08/28/2026B00693636-P2Open ↗
Showing 3 of 7 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
07/25/2023340894170Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
08/28/2023340894170Open ↗
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist2
08/13/2026B00693636-I1Open ↗
08/13/2026B00693636-P3Open ↗
▸BISTPP1: TENANT PROTECTION PLAN1
08/29/2023340894170Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
08/28/2026B00693636-S2Open ↗
08/28/2026B00693636-S1Open ↗
08/15/2026B00693636-I1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
07/25/2023340894170Open ↗
▸Energy Compliance8
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY3
02/27/2024340894170Open ↗
08/29/2023340894170Open ↗
08/29/2023340894170Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
08/28/2023340894170Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
02/27/2024340894170Open ↗
▸BISSOLAR TAX ABATEMENT APPLICATION1
02/29/2024340894170Open ↗
▸BISPTA4: SOLAR TAX ABATEMENT APPLICATION (PRELIMINARY)1
07/25/2023340894170Open ↗
▸DOB NOWEN2: As Built Energy Analysis1
08/13/2026B00693636-I1Open ↗
▸Inspections & Test Reports3
▸BISTECHNICAL REPORT: RESPONSIBILITY3
02/27/2024340894170Open ↗
08/29/2023340894170Open ↗
08/29/2023340894170Open ↗
▸Approvals, Objections & Sign-offs2
▸BISLETTERS - SUPPORTING DOCUMENTATION1
02/29/2024340894170Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
02/29/2024340894170Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
02/27/2024340894170Open ↗
07/25/2023340894170Open ↗
▸Filing & Intake Forms2
▸BISADDITIONAL INFORMATION1
08/28/2023340894170Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
07/25/2023340894170Open ↗
▸Other Documents9
▸DOB NOWProperty Ownership Certification3
08/28/2026B00693636-P3Open ↗
08/28/2026B00693636-P1Open ↗
08/15/2026B00693636-I1Open ↗
▸DOB NOWSite Survey: Initial2
08/13/2026B00693636-P3Open ↗
08/13/2026B00693636-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/13/2026B00693636-I1Open ↗
08/13/2026B00693636-P3Open ↗
▸DOB NOWPlot Diagram2
08/13/2026B00693636-P3Open ↗
08/13/2026B00693636-I1Open ↗