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Primarily 2 family with 1 store or office
6742 5 AVENUE
BROOKLYN · BIN 3144724
💬 Discuss this project
1931Year Built
3Stories
S2Building Class
R6BZoning
3,240 sfGross Floor Area
3Units
7 Open Violations ▸FDNY Report ↗
Primarily 2 family with 1 store or office · Owner of record: KWAICHE LLC · 1,800 sf lot · 1.8 FAR built · Flood zone X
Locations of Work
ArchitectureMechanical
Floor 11p · 2 filings · 20 docs
Cellar1p · 1 filing · 3 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
FANGZHENGCON307/08/2026
KWAICHE LLC403/22/2026
HIGH QUALITY CONSTRUCTION203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/02/2013$935K—— → —$289/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC705/23/2025
CHUN FENG, ARCHITECT501/20/2025
FLUSHING ENGINEERING SERVICE PC103/07/2020
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
FANGZHENGCON103/21/2026
HIGH QUALITY 3382403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HIGH QUALITY CONSTRUCTIONGeneral Contractor507/08/2026
KWARTENG, ISAACElectrical103/21/2026
MAVROGIANNIS, CONSTANTINOSElectrical103/21/2026
AMERICAN STANDARD P&H CORORP.Plumbing107/08/2026
TRI CITY MECHANICAL GROUP CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC62441205/23/2025
SQ. ARCH, LLC4802401/20/2025
FLUSHING ENGINEERING SERV4373103/07/2020
Building Lifecycle
All (83)Filed (13)Permit Issued (6)Signed Off (6)Violation (22)Inspection (6)Special Inspection (30)
10/07/2025
Signed off — Alteration
INTERIOR & EXTERIOR RENOVATION OF A COMMERCIAL SPACE WITH THE RELOCATION OF THE EXISTING KITCHEN EXHAUST HOOD. WORK TO BE FILED IN CONJUNCTION WITH DOB JOBS #B00969792-I1, AND B01093119. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B00969792-I1
07/29/2025
Signed off — Alteration
FILE PLUMBING WORK AS PER PLAN, THIS JOB FILED IN CONJUNCTION WITH DOB GC APPLICATIONS #B01062820 & B009697921 TO RESOLVE ECB VIOLATION#39529172J. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01093119-I1
06/25/2025
Signed off — Alteration
B01062820-S1
06/25/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
06/24/2025
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
05/29/2025
Signed off — Alteration
INTERIOR & EXTERIOR RENOVATION OF A COMMERCIAL SPACE WITH THE RELOCATION OF THE EXISTING KITCHEN EXHAUST HOOD. WORK TO BE FILED IN CONJUNCTION WITH DOB JOBS #B00969792-I1, AND B01093119. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B00969792-S4
05/23/2025
Filed — Alteration
FILE PLUMBING WORK AS PER PLAN, THIS JOB FILED IN CONJUNCTION WITH DOB GC APPLICATIONS #B01062820 & B009697921 TO RESOLVE ECB VIOLATION#39529172J. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01093119-P4
05/16/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
05/06/2025
Violation issued (ECB, closed)
Construction
05/05/2025
Violation issued (ECB, closed)
Construction
04/15/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/15/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
03/26/2025
Permit issued — General Construction
B01062820-S1-GC
02/18/2025
Signed off — Alteration
B01062820-I1
02/15/2025
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
01/21/2025
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
01/21/2025
Special inspection requirement — Mechanical Systems
NARESH MAHANGU
01/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
01/21/2025
Special inspection requirement — Final
Chun Feng
01/21/2025
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
01/21/2025
Special inspection requirement — Fire-Resistance Rated Construction
Chun Feng
01/21/2025
Special inspection requirement — Duct leakage testing, insulation and design
NARESH MAHANGU
01/21/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
NARESH MAHANGU
01/21/2025
Special inspection requirement — HVAC-R and service water heating equipment
NARESH MAHANGU
01/21/2025
Special inspection requirement — HVAC-R and service water heating system controls
NARESH MAHANGU
01/20/2025
Filed — Alteration
INTERIOR & EXTERIOR RENOVATION OF A COMMERCIAL SPACE WITH THE RELOCATION OF THE EXISTING KITCHEN EXHAUST HOOD. WORK TO BE FILED IN CONJUNCTION WITH DOB JOBS #B00969792-I1, AND B01093119. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B00969792-P4
01/14/2025
Violation issued (ECB, closed)
Construction
01/14/2025
Violation issued (ECB, closed)
Construction
12/18/2024
Filed — Alteration
INTERIOR & EXTERIOR RENOVATION OF A COMMERCIAL SPACE WITH THE RELOCATION OF THE EXISTING KITCHEN EXHAUST HOOD. WORK TO BE FILED IN CONJUNCTION WITH DOB JOBS #B00969792-I1, AND B01093119. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B00969792-P2
12/18/2024
Filed — Alteration
FILE PLUMBING WORK AS PER PLAN, THIS JOB FILED IN CONJUNCTION WITH DOB GC APPLICATIONS #B01062820 & B009697921 TO RESOLVE ECB VIOLATION#39529172J. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01093119-P3
12/17/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
12/17/2024
Special inspection requirement — Mechanical Systems
NARESH MAHANGU
12/17/2024
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
12/17/2024
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
12/17/2024
Special inspection requirement — Final
Chun Feng
12/17/2024
Special inspection requirement — Fire-Resistance Rated Construction
Chun Feng
12/17/2024
Special inspection requirement — HVAC-R and service water heating equipment
NARESH MAHANGU
12/17/2024
Special inspection requirement — HVAC-R and service water heating system controls
NARESH MAHANGU
12/17/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
NARESH MAHANGU
12/17/2024
Special inspection requirement — Duct leakage testing, insulation and design
NARESH MAHANGU
12/16/2024
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
12/16/2024
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
12/16/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
11/29/2024
Filed — Alteration
INTERIOR & EXTERIOR RENOVATION OF A COMMERCIAL SPACE WITH THE RELOCATION OF THE EXISTING KITCHEN EXHAUST HOOD. WORK TO BE FILED IN CONJUNCTION WITH DOB JOBS #B00969792-I1, AND B01093119. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B00969792-P1
11/27/2024
Filed — Alteration
FILE PLUMBING WORK AS PER PLAN, THIS JOB FILED IN CONJUNCTION WITH DOB GC APPLICATIONS #B01062820 & B009697921 TO RESOLVE ECB VIOLATION#39529172J. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01093119-P2
11/27/2024
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
11/27/2024
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
11/27/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
11/18/2024
Filed — Alteration
FILE PLUMBING WORK AS PER PLAN, THIS JOB FILED IN CONJUNCTION WITH DOB GC APPLICATIONS #B01062820 & B009697921 TO RESOLVE ECB VIOLATION#39529172J. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01093119-P1
11/15/2024
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
11/15/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
11/15/2024
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
09/17/2024
Permit issued — Mechanical Systems
B00969792-S4-MS
09/09/2024
Filed — Alteration
B01062820-S1
09/09/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
08/28/2024
Permit issued — Plumbing
B01093119-I1-PL
08/19/2024
Permit issued — General Construction
B01062820-I1-GC
08/16/2024
Filed — Alteration
FILE PLUMBING WORK AS PER PLAN, THIS JOB FILED IN CONJUNCTION WITH DOB GC APPLICATIONS #B01062820 & B009697921 TO RESOLVE ECB VIOLATION#39529172J. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01093119-I1
08/15/2024
Filed — Alteration
INTERIOR & EXTERIOR RENOVATION OF A COMMERCIAL SPACE WITH THE RELOCATION OF THE EXISTING KITCHEN EXHAUST HOOD. WORK TO BE FILED IN CONJUNCTION WITH DOB JOBS #B00969792-I1, AND B01093119. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B00969792-S4
08/07/2024
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Latest 60 of 83 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offHIGH QUALITY CONSTRUCTION03/26/2025
DOB NOWMechanical SystemsSigned-offHIGH QUALITY CONSTRUCTION09/17/2024
DOB NOWPlumbingSigned-offAMERICAN STANDARD P&H CORORP.08/28/2024
DOB NOWGeneral ConstructionSigned-offHIGH QUALITY CONSTRUCTION08/19/2024
DOB NOWGeneral ConstructionSigned-offHIGH QUALITY CONSTRUCTION12/07/2023
DOB NOWBoiler EquipmentPermit IssuedFLAVIO MECHANICAL CORP07/09/2020
BISPLISSUEDTRI STATE PLBG & HTG INC10/24/2014
BISOTISSUEDASHRAF ALI PE PC10/24/2014
BISFPISSUEDALL-BORO FIRE&SAF EQ CO I09/14/2011
BISFPISSUEDALLIED FIRE CTR SVCS INC09/08/2011
BISPLISSUEDORION PLUMBING & HTG CORP04/15/2011
BISOTISSUEDBCS CONSTRUCT SERV CORP04/07/2011
BISPLISSUEDCATMAN PLUMBING INC07/16/2007
BISOTISSUEDGOLD STONE DEVELOPMENT INC07/02/2007
1 project · most recent 04/04/2024
General Wiring
FiledStatusContractorScope
04/04/2024Permit IssuedWCK ELECTRIC CORP.General Wiring
▾Field Inspections (DOB CAP) — 6
DateTypeResultReport
06/25/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
06/24/2025Pass-Final General Construction Non-Directive 14PassView ↗
05/16/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/15/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/15/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
02/15/2025Pass-Final General Construction Non-Directive 14PassView ↗
▾Special Inspection Requirements (DOB NOW) — 40
DateRequirementInspectorRole
01/21/2025Tenant Protection Plan ComplianceNARESH MAHANGUspecial
01/21/2025Mechanical SystemsNARESH MAHANGUspecial
01/21/2025Fire-Resistant Penetrations and JointsChun Fengspecial
01/21/2025FinalChun Fengprogress
01/21/2025Energy Code Compliance InspectionsChun Fengprogress
01/21/2025Fire-Resistance Rated ConstructionChun Fengprogress
01/21/2025Duct leakage testing, insulation and designNARESH MAHANGUenergy_progress
01/21/2025HVAC-R and service water piping design and insulationNARESH MAHANGUenergy_progress
01/21/2025HVAC-R and service water heating equipmentNARESH MAHANGUenergy_progress
01/21/2025HVAC-R and service water heating system controlsNARESH MAHANGUenergy_progress
12/17/2024Fire-Resistant Penetrations and JointsChun Fengspecial
12/17/2024Mechanical SystemsNARESH MAHANGUspecial
12/17/2024Tenant Protection Plan ComplianceNARESH MAHANGUspecial
12/17/2024Energy Code Compliance InspectionsChun Fengprogress
12/17/2024FinalChun Fengprogress
12/17/2024Fire-Resistance Rated ConstructionChun Fengprogress
12/17/2024HVAC-R and service water heating equipmentNARESH MAHANGUenergy_progress
12/17/2024HVAC-R and service water heating system controlsNARESH MAHANGUenergy_progress
12/17/2024HVAC-R and service water piping design and insulationNARESH MAHANGUenergy_progress
12/17/2024Duct leakage testing, insulation and designNARESH MAHANGUenergy_progress
12/16/2024Tenant Protection Plan ComplianceNARESH MAHANGUspecial
12/16/2024Energy Code Compliance InspectionsNARESH MAHANGUprogress
12/16/2024Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
11/27/2024Tenant Protection Plan ComplianceNARESH MAHANGUspecial
11/27/2024Energy Code Compliance InspectionsNARESH MAHANGUprogress
Latest 25 of 40.
▾Documents — 120 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch12
08/24/2026B00969792-I1Request digital key ↗
08/24/2026B00969792-S4Request digital key ↗
08/24/2026B00969792-P1Request digital key ↗
Showing 3 of 12 on file for this type
▸DOB NOWPlans/Sketch - Boiler Equipment1
09/02/2026B00317194-I1Request digital key ↗
▸Applications & Permits8
▸BISWORK PERMIT APPLICATION5
10/24/2014340195522Open ↗
09/26/2011320342394Open ↗
04/19/2011320289781Open ↗
Showing 3 of 5 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION3
10/14/2014340195522Open ↗
09/02/2011320342394Open ↗
04/07/2011320289781Open ↗
▸Seals & Professional Certifications60
▸DOB NOWProgress Inspector Seal & Signature20
09/02/2026B01093119-P3Open ↗
09/01/2026B00969792-I1Open ↗
09/01/2026B00969792-I1Open ↗
Showing 3 of 20 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature15
09/02/2026B01062820-S1Open ↗
09/02/2026B01062820-S1Open ↗
09/02/2026B01093119-P3Open ↗
Showing 3 of 15 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/24/2026B00969792-I1Open ↗
08/24/2026B00969792-S4Open ↗
08/24/2026B00969792-P1Open ↗
Showing 3 of 13 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4
09/20/2011320342394Open ↗
09/02/2011320342394Open ↗
04/07/2011320289781Open ↗
Showing 3 of 4 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
04/07/2011320289781Open ↗
10/22/2007310051626Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM2
04/07/2011320289781Open ↗
10/22/2007310051626Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
10/14/2014340195522Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
10/14/2014340195522Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
10/14/2014340195522Open ↗
▸BISPC FULL REPORT1
10/22/2007310051626Open ↗
▸Trade Schedules & Equipment8
▸BISSELF-CERT PLUMBING NOTICE4
04/09/2015340195522Open ↗
10/12/2011320289781Open ↗
10/08/2011320289781Open ↗
Showing 3 of 4 on file for this type
▸BISSCHEDULE B - PLUMBING2
10/14/2014340195522Open ↗
04/07/2011320289781Open ↗
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1
10/24/2007310051626Open ↗
▸BISFA - FDNY APPROVAL : FD-FAA1
10/08/2011320289781Open ↗
▸Safety & Tenant Protection1
▸DOB NOWTenant Protection Plan1
08/13/2026B00317194-I1Open ↗
▸Environmental & Asbestos15
▸DOB NOWDEP ACP-5: Asbestos Assessment Report11
08/24/2026B00969792-S4Open ↗
08/24/2026B00969792-I1Open ↗
08/24/2026B00969792-P1Open ↗
Showing 3 of 11 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'3
09/02/2011320342394Open ↗
04/07/2011320289781Open ↗
10/22/2007310051626Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
10/14/2014340195522Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
10/14/2014340195522Open ↗
▸BISTECHNICAL REPORT: ENERGY1
04/07/2011320289781Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
10/14/2014340195522Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
10/14/2014340195522Open ↗
▸Approvals, Objections & Sign-offs3
▸BISADMINISTRATIVE OBJECTIONS3
09/02/2011320342394Open ↗
04/07/2011320289781Open ↗
10/22/2007310051626Open ↗
▸Cost, Insurance & Ownership4
▸BISCOST AFFIDAVIT4
10/14/2014340195522Open ↗
09/02/2011320342394Open ↗
04/07/2011320289781Open ↗
Showing 3 of 4 on file for this type
▸Filing & Intake Forms4
▸BISEFILING COVER SHEET2
09/02/2011320342394Open ↗
04/07/2011320289781Open ↗
▸BISADDITIONAL INFORMATION1
10/23/2014340195522Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
10/14/2014340195522Open ↗