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Two family brick
70 EAST 4 STREET
BROOKLYN · BIN 3122371
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1920Year Built
2Stories
B1Building Class
R5Zoning
2,520 sfGross Floor Area
2Units
Two family brick · 2,175 sf lot · 1.16 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Permit Issued — active, not yet Signed-off
Floor 2Under Construction30p · 1 filing · 20 docs
Floor 1Under Construction31p · 1 filing · 20 docs
CellarUnder Construction32p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/21/2022$2.0M—Private party → —$792/sf building
▾Design Consultants (Architect / Engineer of Record)
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ORBIT MECHANICAL SOLUTIO*General Contractor607/08/2026
RETROFIT PLGB & HTG INCPlumbing106/28/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HARPER ARCHITECTURE, PC6851411/28/2025
BARRY STRUCTURAL ENGINEER749210/03/2024
D'ANTONIO CONSULTING ENGI931110/03/2024
Building Lifecycle
All (15)Filed (5)Permit Issued (6)Inspection (4)
12/22/2025
Permit issued — General Construction
B00884732-I1-GC
12/22/2025
Permit issued — Structural
B00884732-S3-ST
11/28/2025
Filed — Alteration CO
Subsequent filing for Structural work. Scope of work is new window openings at rear masonry wall, partial reinforcement of 2nd floor framing, partial removing 1st floor interior wall, and enlargement of opening at 1st floor interior wall
B00884732-P2
06/13/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
05/17/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
04/11/2025
Permit issued — Mechanical Systems
B00884732-S1-MS
03/31/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
03/27/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
02/24/2025
Permit issued — Plumbing
B00884732-S2-PL
01/24/2025
Permit issued — Structural
B00884732-S3-ST
01/21/2025
Permit issued — General Construction
B00884732-I1-GC
10/03/2024
Filed — Alteration CO
Subsequent filing for Structural work. Scope of work is new window openings at rear masonry wall, partial reinforcement of 2nd floor framing, partial removing 1st floor interior wall, and enlargement of opening at 1st floor interior wall
B00884732-S3
10/03/2024
Filed — Alteration CO
Subsequent filing for Structural work. Scope of work is new window openings at rear masonry wall, partial reinforcement of 2nd floor framing, partial removing 1st floor interior wall, and enlargement of opening at 1st floor interior wall
B00884732-S1
10/03/2024
Filed — Alteration CO
Subsequent filing for Structural work. Scope of work is new window openings at rear masonry wall, partial reinforcement of 2nd floor framing, partial removing 1st floor interior wall, and enlargement of opening at 1st floor interior wall
B00884732-S2
07/19/2023
Filed — Alteration CO
Subsequent filing for Structural work. Scope of work is new window openings at rear masonry wall, partial reinforcement of 2nd floor framing, partial removing 1st floor interior wall, and enlargement of opening at 1st floor interior wall
B00884732-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedORBIT MECHANICAL SOLUTIO*12/22/2025
DOB NOWStructuralPermit IssuedORBIT MECHANICAL SOLUTIO*12/22/2025
DOB NOWMechanical SystemsPermit IssuedTOP DOG PLBG & HTG CORP04/11/2025
DOB NOWPlumbingPermit IssuedRETROFIT PLGB & HTG INC02/24/2025
DOB NOWStructuralPermit IssuedORBIT MECHANICAL SOLUTIO*01/24/2025
DOB NOWGeneral ConstructionPermit IssuedORBIT MECHANICAL SOLUTIO*01/21/2025
1 project · most recent 11/28/2025
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
11/28/2025Permit IssuedORBIT MECHANICAL SOLUTIO*Heating and Air Conditioning Systems
Heat / Cool
Mitsubishi Electric MXZ-SM48NAMHZ 48,000 BTU · Heat Pump Outdoor ×2
1 project · most recent 11/28/2025
Gas Water/Sanitary
FiledStatusContractorScope
11/28/2025Permit IssuedRETROFIT PLGB & HTG INCGas, Water/Sanitary
1 project · most recent 03/11/2025
General Wiring
FiledStatusContractorScope
03/11/2025Permit IssuedELECTRICAL CHARGES CORPGeneral Wiring
1 project · most recent 11/28/2025
Steel Wood
FiledStatusContractorScope
11/28/2025Permit IssuedORBIT MECHANICAL SOLUTIO*Steel, Wood
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
06/13/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
05/17/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
03/31/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
03/27/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 32
DateRequirementInspectorRole
12/17/2025HVAC-R and service water piping design and insulationGAETANO D'ANTONIOenergy_progress
12/17/2025HVAC-R and service water heating system controlsGAETANO D'ANTONIOenergy_progress
12/17/2025HVAC-R and service water heating equipmentGAETANO D'ANTONIOenergy_progress
12/17/2025Fire-Resistant Penetrations and JointsChristine Harperspecial
11/28/2025Fire-Resistant Penetrations and JointsChristine Harperspecial
11/28/2025HVAC-R and service water piping design and insulationGAETANO D'ANTONIOenergy_progress
11/28/2025HVAC-R and service water heating equipmentGAETANO D'ANTONIOenergy_progress
11/28/2025HVAC-R and service water heating system controlsGAETANO D'ANTONIOenergy_progress
11/06/2024Maintenance informationGAETANO D'ANTONIOenergy_progress
11/06/2024Permanent certificateGAETANO D'ANTONIOenergy_progress
11/06/2024Ventilation and air distribution systemGAETANO D'ANTONIOenergy_progress
11/06/2024Duct leakage testing, insulation and designGAETANO D'ANTONIOenergy_progress
10/18/2024Fire-Resistant Penetrations and JointsChristine Harperspecial
10/02/2024Construction Utilizing CLT or SCL, Type IVMICHAEL BARRYspecial
10/01/2024Structural Stability – Alterations of existing buildingsMICHAEL BARRYspecial
10/01/2024Structural Steel - DetailsMICHAEL BARRYspecial
10/01/2024HVAC-R and service water heating system controlsGAETANO D'ANTONIOenergy_progress
10/01/2024HVAC-R and service water heating equipmentGAETANO D'ANTONIOenergy_progress
10/01/2024HVAC-R and service water piping design and insulationGAETANO D'ANTONIOenergy_progress
10/01/2024Energy Code Compliance InspectionsGAETANO D'ANTONIOprogress
10/01/2024Seismic Resistance of Storage RacksMICHAEL BARRYspecial
11/21/2023FinalMICHAEL BARRYprogress
10/13/2023Mechanical SystemsGAETANO D'ANTONIOspecial
10/13/2023FinalGAETANO D'ANTONIOprogress
08/11/2023Structural Stability – Alterations of existing buildingsMICHAEL BARRYspecial
Latest 25 of 32.
▾Documents — 64 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/23/2026B00884732-S3Request digital key ↗
08/23/2026B00884732-P2Request digital key ↗
08/23/2026B00884732-I1Request digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits1
▸BISBPP-5 - Authorization to the Department of Transportation1
12/12/2024340913783Open ↗
▸Seals & Professional Certifications39
▸DOB NOWProgress Inspector Seal & Signature22
08/30/2026B00884732-S3Open ↗
08/28/2026B00884732-S1Open ↗
08/28/2026B00884732-S1Open ↗
Showing 3 of 22 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
08/30/2026B00884732-S3Open ↗
08/30/2026B00884732-S3Open ↗
08/30/2026B00884732-S3Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/23/2026B00884732-S3Open ↗
08/23/2026B00884732-P2Open ↗
08/23/2026B00884732-S2Open ↗
Showing 3 of 5 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
10/23/2024340913783Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
10/23/2024340913783Open ↗
▸Safety & Tenant Protection3
▸BISBPP: STREET TREES SITE PLAN1
10/23/2024340913783Open ↗
▸BISSTREET TREE CHECKLIST1
12/06/2024340913783Open ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026B00884732-I1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/23/2026B00884732-S2Open ↗
08/23/2026B00884732-S3Open ↗
08/23/2026B00884732-P2Open ↗
Showing 3 of 5 on file for this type
▸Filing & Intake Forms4
▸BISADDITIONAL INFORMATION2
12/12/2024340913783Open ↗
12/06/2024340913783Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
10/23/2024340913783Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
10/23/2024340913783Open ↗
▸Other Documents7
▸BISBPP: TOPOGRAPHIC SURVEY1
12/06/2024340913783Open ↗
▸BISBPP: PHOTOS-SIGNED/SEALED BY APPLICANT1
12/06/2024340913783Open ↗
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
10/23/2024340913783Open ↗
▸BISBPP - SUPPORTING DOCUMENTATION1
12/06/2024340913783Open ↗
▸DOB NOWProperty Ownership Certification1
08/23/2026B00884732-I1Open ↗
▸DOB NOWFinal Survey1
08/13/2026B00884732-I1Open ↗
▸DOB NOWPARTIAL DEMO: 10-DAY Notice1
08/13/2026B00884732-S3Open ↗