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Miscellaneous two family
668 DECATUR STREET
BROOKLYN · BIN 3040640
💬 Discuss this project
1910Year Built
2Stories
B9Building Class
R6Zoning
2,577 sfGross Floor Area
2Units
Rent Stabilized4 Open Violations ▸FDNY Report ↗
Miscellaneous two family · Owner of record: MTEK NYC LLC · 1,908 sf lot · 1.35 FAR built · Flood zone X
Locations of Work
Architecture
Roof1p · 1 filing · 20 docs
Cellar1p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MTEK2207/08/2026
MTEK NYC LLC103/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/17/2026$2.1M—MTEK NYC LLC → Private party$815/sf building
01/13/2025$1000K—— → —$388/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CQ&J CORPORATION912/11/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH1803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TURN KEY NYC LLCGeneral Contractor207/08/2026
M & M PIPING AND HEATINGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
D&E BUILD EVERGREEN I9342410/24/2025
SIMON7555306/06/2025
Building Lifecycle
All (71)Filed (9)Permit Issued (3)Signed Off (3)Violation (19)Inspection (7)Special Inspection (30)
03/13/2026
Violation issued (HPD, open)
B
02/16/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
01/02/2026
Signed off — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-S1
12/12/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
12/12/2025
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
12/12/2025
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
12/12/2025
Special inspection requirement — Maintenance information
CALVIN TRAN
12/12/2025
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
12/11/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-P7
12/08/2025
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
12/08/2025
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
12/08/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
12/08/2025
Special inspection requirement — Maintenance information
CALVIN TRAN
12/08/2025
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
11/13/2025
Signed off — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-S2
11/13/2025
Signed off — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-I1
11/10/2025
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
10/24/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-P5
10/24/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Danny Chen
10/24/2025
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
10/24/2025
Special inspection requirement — Insulation placement and R values
CALVIN TRAN
10/24/2025
Special inspection requirement — Interior lighting power
CALVIN TRAN
10/24/2025
Special inspection requirement — Air barrier - visual inspection
CALVIN TRAN
10/24/2025
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
10/24/2025
Special inspection requirement — Maintenance information
CALVIN TRAN
10/24/2025
Special inspection requirement — Fenestration areas
CALVIN TRAN
10/24/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
CALVIN TRAN
10/24/2025
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
10/24/2025
Special inspection requirement — Fenestration air leakage
CALVIN TRAN
10/24/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
10/24/2025
Special inspection requirement — Metering
CALVIN TRAN
10/24/2025
Special inspection requirement — Fire-Resistance Rated Construction
CALVIN TRAN
10/17/2025
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
10/13/2025
Special inspection requirement — Interior lighting power
CALVIN TRAN
10/13/2025
Special inspection requirement — Fenestration areas
CALVIN TRAN
10/13/2025
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
10/13/2025
Special inspection requirement — Maintenance information
CALVIN TRAN
10/13/2025
Special inspection requirement — Fire-Resistance Rated Construction
CALVIN TRAN
10/13/2025
Special inspection requirement — Air barrier - visual inspection
CALVIN TRAN
06/06/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-P4
06/06/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-P3
05/15/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-P2
03/26/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-P1
03/21/2025
Permit issued — Structural
B01155861-S2-ST
03/18/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-S2
03/17/2025
Violation issued (ECB, closed)
Construction
03/17/2025
Violation issued (ECB, closed)
Construction
03/17/2025
Violation issued (ECB, closed)
Construction
03/17/2025
Violation issued (ECB, closed)
Construction
03/17/2025
Violation issued (ECB, closed)
Construction
03/05/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
03/05/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
03/05/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
03/05/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
03/05/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
02/10/2025
Permit issued — Plumbing
B01155861-S1-PL
01/30/2025
Permit issued — General Construction
B01155861-I1-GC
01/24/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-S1
01/24/2025
Filed — Alteration
MINOR ST WORK RELATED TO THE GC JOB #B01155861-I1.
B01155861-I1
10/31/2018
Violation issued (HPD, closed)
I
Latest 60 of 71 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWStructuralSigned-offTURN KEY NYC LLC03/21/2025
DOB NOWPlumbingSigned-offM & M PIPING AND HEATING02/10/2025
DOB NOWGeneral ConstructionSigned-offTURN KEY NYC LLC01/30/2025
1 project · most recent 02/04/2025
General Wiring
FiledStatusContractorScope
02/04/2025CompleteK.A.B. ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 7
DateTypeResultReport
11/10/2025Pass-Final General Construction Non-Directive 14PassView ↗
10/17/2025Fail-Final General Construction Non-Directive 14FailView ↗
03/05/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
03/05/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
03/05/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
03/05/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
03/05/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 69
DateRequirementInspectorRole
12/12/2025HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
12/12/2025Energy Code Compliance InspectionsCALVIN TRANprogress
12/12/2025Maintenance informationCALVIN TRANenergy_progress
12/12/2025HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
12/12/2025HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
12/08/2025Energy Code Compliance InspectionsCALVIN TRANprogress
12/08/2025Maintenance informationCALVIN TRANenergy_progress
12/08/2025HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
12/08/2025HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
12/08/2025HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
10/24/2025Air barrier - visual inspectionCALVIN TRANenergy_progress
10/24/2025Fire-Resistance Rated ConstructionCALVIN TRANprogress
10/24/2025HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
10/24/2025Fire-Resistant Penetrations and JointsDanny Chenspecial
10/24/2025Energy Code Compliance InspectionsCALVIN TRANprogress
10/24/2025Fenestration and door U-factor and product ratingsCALVIN TRANenergy_progress
10/24/2025Fenestration areasCALVIN TRANenergy_progress
10/24/2025Fenestration air leakageCALVIN TRANenergy_progress
10/24/2025HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
10/24/2025HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
10/24/2025Maintenance informationCALVIN TRANenergy_progress
10/24/2025Interior lighting powerCALVIN TRANenergy_progress
10/24/2025Insulation placement and R valuesCALVIN TRANenergy_progress
10/24/2025MeteringCALVIN TRANenergy_progress
10/13/2025Fenestration air leakageCALVIN TRANenergy_progress
Latest 25 of 69.
▾Documents — 46 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/21/2026B01155861-P2Request digital key ↗
08/21/2026B01155861-P1Request digital key ↗
08/21/2026B01155861-S2Request digital key ↗
Showing 3 of 9 on file for this type
▸Seals & Professional Certifications28
▸DOB NOWProgress Inspector Seal & Signature13
08/30/2026B01155861-P1Open ↗
08/30/2026B01155861-P1Open ↗
08/29/2026B01155861-P7Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/21/2026B01155861-P2Open ↗
08/21/2026B01155861-P1Open ↗
08/21/2026B01155861-S2Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
08/30/2026B01155861-P1Open ↗
08/28/2026B01155861-P3Open ↗
08/28/2026B01155861-S2Open ↗
Showing 3 of 6 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/21/2026B01155861-P2Open ↗
08/21/2026B01155861-P1Open ↗
08/21/2026B01155861-S2Open ↗
Showing 3 of 9 on file for this type