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Three families
422 4 AVENUE
BROOKLYN · BIN 3021811
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1901Year Built
3Stories
C0Building Class
C4-4DZoning
2,322 sfGross Floor Area
3Units
Rent Stabilized1 Open Violation 0 unresolved · 1 paperwork only ▸FDNY Report ↗
Three families · 1,125 sf lot · 2.06 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Floor 32p · 1 filing · 20 docs
Floor 2
Floor 1
Cellar4p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
CUBE BUILDERS GROUP NY103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/18/2024$1.8M—Private party → Private party$758/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NIC 88 CORP402/26/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BASIC GROUPS803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CUBE BUILDERS GROUP NYGeneral Contractor407/08/2026
KWONG MING ELECTRIC INCElectrical103/22/2026
PIPESTYLISTS, INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NIC 88 CORP8371402/26/2025
Building Lifecycle
All (57)Filed (4)Permit Issued (3)Signed Off (2)Violation (13)Inspection (5)Special Inspection (30)
05/01/2025
Signed off — Alteration
INTERIOR RENOVATION OF CELLAR, 1ST, 2ND AND 3RD FLOOR OF EXISTING 3 STORY BUILDING. DEMOLITION AND CONSTRUCTION WORK AS PER PLAN. INSTALL NEW HVAC, NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01112726-S1
04/29/2025
Signed off — Alteration
INTERIOR RENOVATION OF CELLAR, 1ST, 2ND AND 3RD FLOOR OF EXISTING 3 STORY BUILDING. DEMOLITION AND CONSTRUCTION WORK AS PER PLAN. INSTALL NEW HVAC, NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01112726-I1
04/03/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
03/21/2025
Permit issued — Mechanical Systems
B01112726-I1-GC-CX
03/14/2025
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
02/27/2025
Special inspection requirement — Mechanical Systems
Eric Sun
02/27/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Eric Sun
02/27/2025
Special inspection requirement — Final
Eric Sun
02/27/2025
Special inspection requirement — Fire-Resistance Rated Construction
Eric Sun
02/27/2025
Special inspection requirement — Energy Code Compliance Inspections
Eric Sun
02/27/2025
Special inspection requirement — HVAC-R and service water heating equipment
Eric Sun
02/27/2025
Special inspection requirement — Maintenance information
Eric Sun
02/27/2025
Special inspection requirement — Air barrier - visual inspection
Eric Sun
02/27/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Eric Sun
02/27/2025
Special inspection requirement — Duct leakage testing, insulation and design
Eric Sun
02/27/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Eric Sun
02/27/2025
Special inspection requirement — HVAC-R and service water heating system controls
Eric Sun
02/27/2025
Special inspection requirement — Insulation placement and R values
Eric Sun
02/27/2025
Special inspection requirement — Fenestration air leakage
Eric Sun
02/27/2025
Special inspection requirement — Fenestration areas
Eric Sun
02/27/2025
Special inspection requirement — Interior lighting power
Eric Sun
02/26/2025
Filed — Alteration
INTERIOR RENOVATION OF CELLAR, 1ST, 2ND AND 3RD FLOOR OF EXISTING 3 STORY BUILDING. DEMOLITION AND CONSTRUCTION WORK AS PER PLAN. INSTALL NEW HVAC, NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01112726-P1
02/25/2025
Filed — Alteration
INTERIOR RENOVATION OF CELLAR, 1ST, 2ND AND 3RD FLOOR OF EXISTING 3 STORY BUILDING. DEMOLITION AND CONSTRUCTION WORK AS PER PLAN. INSTALL NEW HVAC, NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01112726-P2
02/25/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Eric Sun
02/25/2025
Special inspection requirement — Energy Code Compliance Inspections
Eric Sun
02/25/2025
Special inspection requirement — HVAC-R and service water heating system controls
Eric Sun
02/25/2025
Special inspection requirement — HVAC-R and service water heating equipment
Eric Sun
02/25/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Eric Sun
02/25/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Eric Sun
02/25/2025
Special inspection requirement — Mechanical Systems
Eric Sun
02/25/2025
Special inspection requirement — Energy Code Compliance Inspections
Eric Sun
02/25/2025
Special inspection requirement — Final
Eric Sun
02/25/2025
Special inspection requirement — Fire-Resistance Rated Construction
Eric Sun
02/25/2025
Special inspection requirement — HVAC-R and service water heating system controls
Eric Sun
02/25/2025
Special inspection requirement — Fenestration air leakage
Eric Sun
02/25/2025
Special inspection requirement — Fenestration areas
Eric Sun
02/25/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Eric Sun
02/21/2025
Violation issued (ECB, open)
Construction
11/27/2024
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
11/27/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
11/27/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
10/18/2024
Permit issued — Plumbing
B01112726-S1-PL
10/17/2024
Filed — Alteration
INTERIOR RENOVATION OF CELLAR, 1ST, 2ND AND 3RD FLOOR OF EXISTING 3 STORY BUILDING. DEMOLITION AND CONSTRUCTION WORK AS PER PLAN. INSTALL NEW HVAC, NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01112726-S1
09/27/2024
Permit issued — Mechanical Systems
B01112726-I1-GC-CX
09/26/2024
Filed — Alteration
INTERIOR RENOVATION OF CELLAR, 1ST, 2ND AND 3RD FLOOR OF EXISTING 3 STORY BUILDING. DEMOLITION AND CONSTRUCTION WORK AS PER PLAN. INSTALL NEW HVAC, NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01112726-I1
04/03/2024
Violation issued (HPD, closed)
A
11/20/2023
Violation issued (HPD, closed)
I
03/17/2023
Violation issued (HPD, closed)
A
11/09/2022
Violation issued (HPD, closed)
I
02/18/2022
Violation issued (HPD, closed)
I
02/18/2022
Violation issued (HPD, closed)
A
04/05/2021
Violation issued (HPD, closed)
A
04/05/2021
Violation issued (HPD, closed)
I
11/01/2016
Violation issued (HPD, closed)
I
10/06/2015
Violation issued (HPD, closed)
I
02/05/2015
Violation issued (HPD, closed)
I
07/13/2004
Violation issued (HPD, closed)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offCUBE BUILDERS GROUP NY03/21/2025
DOB NOWPlumbingSigned-offT & T PLUMBING INC10/18/2024
DOB NOWMechanical SystemsSigned-offCUBE BUILDERS GROUP NY09/27/2024
1 project · most recent 05/19/2025
General Wiring
FiledStatusContractorScope
05/19/2025CompleteKWONG MING ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
04/03/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
03/14/2025Fail-Final PL - Up to 3 Requested FloorsFailView ↗
11/27/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
11/27/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
11/27/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 37
DateRequirementInspectorRole
02/27/2025Mechanical SystemsEric Sunspecial
02/27/2025Fire-Resistant Penetrations and JointsEric Sunspecial
02/27/2025FinalEric Sunprogress
02/27/2025Fire-Resistance Rated ConstructionEric Sunprogress
02/27/2025Energy Code Compliance InspectionsEric Sunprogress
02/27/2025HVAC-R and service water heating equipmentEric Sunenergy_progress
02/27/2025Maintenance informationEric Sunenergy_progress
02/27/2025Air barrier - visual inspectionEric Sunenergy_progress
02/27/2025HVAC-R and service water piping design and insulationEric Sunenergy_progress
02/27/2025Duct leakage testing, insulation and designEric Sunenergy_progress
02/27/2025Fenestration and door U-factor and product ratingsEric Sunenergy_progress
02/27/2025HVAC-R and service water heating system controlsEric Sunenergy_progress
02/27/2025Insulation placement and R valuesEric Sunenergy_progress
02/27/2025Fenestration air leakageEric Sunenergy_progress
02/27/2025Fenestration areasEric Sunenergy_progress
02/27/2025Interior lighting powerEric Sunenergy_progress
02/25/2025Fire-Resistant Penetrations and JointsEric Sunspecial
02/25/2025Energy Code Compliance InspectionsEric Sunprogress
02/25/2025HVAC-R and service water heating system controlsEric Sunenergy_progress
02/25/2025HVAC-R and service water heating equipmentEric Sunenergy_progress
02/25/2025HVAC-R and service water piping design and insulationEric Sunenergy_progress
02/25/2025Fire-Resistant Penetrations and JointsEric Sunspecial
02/25/2025Mechanical SystemsEric Sunspecial
02/25/2025Energy Code Compliance InspectionsEric Sunprogress
02/25/2025FinalEric Sunprogress
Latest 25 of 37.
▾Documents — 23 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/22/2026B01112726-P2Request digital key ↗
08/22/2026B01112726-P1Request digital key ↗
08/22/2026B01112726-S1Request digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications15
▸DOB NOWProgress Inspector Seal & Signature8
08/29/2026B01112726-P1Open ↗
08/29/2026B01112726-P1Open ↗
08/26/2026B01112726-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/22/2026B01112726-P1Open ↗
08/22/2026B01112726-S1Open ↗
08/22/2026B01112726-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
08/29/2026B01112726-P1Open ↗
08/26/2026B01112726-I1Open ↗
08/24/2026B01112726-P2Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/22/2026B01112726-P1Open ↗
08/22/2026B01112726-S1Open ↗
08/22/2026B01112726-I1Open ↗
Showing 3 of 4 on file for this type