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Primarily 2 family with 1 store or office
6605 20 AVENUE
BROOKLYN · BIN 3134447
💬 Discuss this project
1931Year Built
2Stories
S2Building Class
R5Zoning
2,000 sfGross Floor Area
3Units
3 Open Violations ▸FDNY Report ↗
Primarily 2 family with 1 store or office · Owner of record: TWINS JS PROPERTY LLC · 1,642 sf lot · 1.22 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Floor 14p · 1 filing · 20 docs
Cellar4p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
TWINS JS PROPERTY1307/08/2026
DENARO203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
03/23/2022$1.3M—— → —$630/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
LCW ENGINEERING, P.C.307/02/2024
ACHIEVE ENGINEERING, PLLC106/24/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ACHIEVE ENGINEERING, PLLC103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KSC CONTRACTOR INCGeneral Contractor303/21/2026
RAY-AN ESTATES INCGeneral Contractor107/08/2026
MPS PLUMBING & HEATING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
LCW ENGINEERING, PC1103307/02/2024
ACHIEVE ENGINEERING, PLLC8971106/24/2024
Building Lifecycle
All (57)Filed (4)Permit Issued (3)Signed Off (3)Violation (17)Inspection (7)Objection (2)Special Inspection (21)
09/12/2024
Signed off — Alteration
Subsequent filing for plumbing installation as per the plans filed herewith. No change to the use, egress or occupancy.
B00973402-I1
07/29/2024
Signed off — Alteration
INSTALLATION OF A NEW AWNING READING. "RELIABLE ACCOUNTING SERVICE NY INC." AND FOREIGN CHARACTERS ON THE EXISTING BUILDING AS PER PLAN HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01067898-I1
07/26/2024
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
07/18/2024
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
07/17/2024
Permit issued — General Construction
B01067898-I1-GC
07/12/2024
Signed off — Alteration
Subsequent filing for plumbing installation as per the plans filed herewith. No change to the use, egress or occupancy.
B00973402-S1
07/03/2024
Special inspection requirement — Energy Code Compliance Inspections
luis wong
07/03/2024
Special inspection requirement — HVAC-R and service water heating system controls
luis wong
07/03/2024
Special inspection requirement — HVAC-R and service water heating equipment
luis wong
07/03/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
luis wong
07/03/2024
Special inspection requirement — Final
luis wong
07/03/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
luis wong
07/03/2024
Special inspection requirement — Mechanical Systems
luis wong
07/03/2024
Special inspection requirement — Tenant Protection Plan Compliance
luis wong
07/02/2024
Filed — Alteration
Subsequent filing for plumbing installation as per the plans filed herewith. No change to the use, egress or occupancy.
B00973402-P1
06/27/2024
Objection resolved — Addressed
06/26/2024
Objection raised — Other
06/24/2024
Filed — Alteration
INSTALLATION OF A NEW AWNING READING. "RELIABLE ACCOUNTING SERVICE NY INC." AND FOREIGN CHARACTERS ON THE EXISTING BUILDING AS PER PLAN HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B01067898-I1
06/17/2024
Special inspection requirement — Tenant Protection Plan Compliance
JIA MING MO
06/10/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
luis wong
06/10/2024
Special inspection requirement — Energy Code Compliance Inspections
luis wong
06/10/2024
Special inspection requirement — Final
luis wong
06/10/2024
Special inspection requirement — HVAC-R and service water heating equipment
luis wong
06/10/2024
Special inspection requirement — HVAC-R and service water heating system controls
luis wong
06/10/2024
Special inspection requirement — Tenant Protection Plan Compliance
luis wong
06/10/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
luis wong
06/10/2024
Special inspection requirement — Mechanical Systems
luis wong
05/28/2024
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
03/27/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
03/27/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
03/22/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
03/22/2024
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
12/28/2023
Permit issued — Plumbing
B00973402-S1-PL
12/26/2023
Permit issued — Mechanical Systems
B00973402-I1-GC-CX
12/15/2023
Filed — Alteration
Subsequent filing for plumbing installation as per the plans filed herewith. No change to the use, egress or occupancy.
B00973402-I1
12/15/2023
Filed — Alteration
Subsequent filing for plumbing installation as per the plans filed herewith. No change to the use, egress or occupancy.
B00973402-S1
12/15/2023
Special inspection requirement — Tenant Protection Plan Compliance
luis wong
12/14/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
luis wong
12/14/2023
Special inspection requirement — HVAC-R and service water heating equipment
luis wong
12/14/2023
Special inspection requirement — Energy Code Compliance Inspections
luis wong
02/05/2015
Violation issued (HPD, open)
B
02/05/2015
Violation issued (HPD, open)
C
02/05/2015
Violation issued (HPD, open)
B
12/31/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/01/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/03/2008
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/19/2007
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/06/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/31/2005
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/07/2000
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/16/1999
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/04/1998
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
09/16/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/10/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/29/1995
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/26/1988
Violation issued (ECB, closed)
Boilers
10/26/1988
Violation issued (ECB, closed)
Boilers
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offRAY-AN ESTATES INC07/17/2024
DOB NOWPlumbingSigned-offMPS PLUMBING & HEATING IN12/28/2023
DOB NOWMechanical SystemsSigned-offKSC CONTRACTOR INC12/26/2023
BISOTISSUEDHONGTAI CONSTRUCTION INC03/14/2018
BISOTISSUEDJ CHAN GROUP CORP12/24/2013
1 project · most recent 07/01/2024
General Wiring
FiledStatusContractorScope
07/01/2024CompleteKJK ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 7
DateTypeResultReport
07/26/2024Pass-Final General Construction Non-Directive 14PassView ↗
07/18/2024Pass-Final General Construction Non-Directive 14PassView ↗
05/28/2024Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
03/27/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
03/27/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
03/22/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
03/22/2024Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 21
DateRequirementInspectorRole
07/03/2024Energy Code Compliance Inspectionsluis wongprogress
07/03/2024HVAC-R and service water heating system controlsluis wongenergy_progress
07/03/2024HVAC-R and service water heating equipmentluis wongenergy_progress
07/03/2024HVAC-R and service water piping design and insulationluis wongenergy_progress
07/03/2024Finalluis wongprogress
07/03/2024Fire-Resistant Penetrations and Jointsluis wongspecial
07/03/2024Mechanical Systemsluis wongspecial
07/03/2024Tenant Protection Plan Complianceluis wongspecial
06/17/2024Tenant Protection Plan ComplianceJIA MING MOspecial
06/10/2024HVAC-R and service water piping design and insulationluis wongenergy_progress
06/10/2024Energy Code Compliance Inspectionsluis wongprogress
06/10/2024Finalluis wongprogress
06/10/2024HVAC-R and service water heating equipmentluis wongenergy_progress
06/10/2024HVAC-R and service water heating system controlsluis wongenergy_progress
06/10/2024Tenant Protection Plan Complianceluis wongspecial
06/10/2024Fire-Resistant Penetrations and Jointsluis wongspecial
06/10/2024Mechanical Systemsluis wongspecial
12/15/2023Tenant Protection Plan Complianceluis wongspecial
12/14/2023HVAC-R and service water piping design and insulationluis wongenergy_progress
12/14/2023HVAC-R and service water heating equipmentluis wongenergy_progress
12/14/2023Energy Code Compliance Inspectionsluis wongprogress
▾Documents — 68 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/26/2026B00973402-P1Request digital key ↗
08/26/2026B00973402-S1Request digital key ↗
08/26/2026B00973402-I1Request digital key ↗
Showing 3 of 4 on file for this type
▸Applications & Permits4
▸BISWORK PERMIT APPLICATION2
03/14/2018321702706Open ↗
12/31/2013320812581Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION2
03/14/2018321702706Open ↗
12/05/2013320812581Open ↗
▸Seals & Professional Certifications32
▸DOB NOWProgress Inspector Seal & Signature13
09/19/2026B00973402-P1Open ↗
09/19/2026B00973402-P1Open ↗
09/19/2026B00973402-P1Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
09/19/2026B00973402-P1Open ↗
09/19/2026B00973402-P1Open ↗
09/19/2026B00973402-P1Open ↗
Showing 3 of 8 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION5
04/04/2018321702706Open ↗
03/14/2018321702706Open ↗
05/22/2014320812581Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/26/2026B00973402-P1Open ↗
08/26/2026B00973402-S1Open ↗
08/26/2026B00973402-I1Open ↗
Showing 3 of 4 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
03/14/2018321702706Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
03/14/2018321702706Open ↗
▸Safety & Tenant Protection1
▸BISTenant Protection Plan and Notes1
03/14/2018321702706Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/26/2026B00973402-P1Open ↗
08/26/2026B00973402-S1Open ↗
08/26/2026B00973402-I1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
12/05/2013320812581Open ↗
▸Energy Compliance6
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS5
04/04/2018321702706Open ↗
03/14/2018321702706Open ↗
05/22/2014320812581Open ↗
Showing 3 of 5 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS1
04/04/2018321702706Open ↗
▸Approvals, Objections & Sign-offs6
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3
04/11/2018321702706Open ↗
04/04/2018321702706Open ↗
05/22/2014320812581Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION2
04/11/2018321702706Open ↗
04/04/2018321702706Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
12/05/2013320812581Open ↗
▸Cost, Insurance & Ownership4
▸BISCOST AFFIDAVIT4
04/04/2018321702706Open ↗
03/14/2018321702706Open ↗
05/22/2014320812581Open ↗
Showing 3 of 4 on file for this type
▸Filing & Intake Forms6
▸BISBOROUGH INTAKE FORM2
04/11/2018321702706Open ↗
04/04/2018321702706Open ↗
▸BISADDITIONAL INFORMATION2
05/30/2014320812581Open ↗
04/22/2014320812581Open ↗
▸BISEFILING COVER SHEET2
03/14/2018321702706Open ↗
12/05/2013320812581Open ↗
▸Other Documents1
▸BISOP-4 - Special Report1
05/22/2014320812581Open ↗