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Two family converted from one family
306 HALSEY STREET
BROOKLYN · BIN 3053104
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1899Year Built
3Stories
B3Building Class
R6BZoning
2,880 sfGross Floor Area
2Units
Two family converted from one family · Owner of record: MTEK FRANKLIN LLC · 1,800 sf lot · 1.6 FAR built · Flood zone X
Locations of Work
ArchitectureMechanical
Cellar1p · 1 filing · 19 docs
1 job · most recent 03/11/2026
General Wiring
FiledStatusContractorScope
03/11/2026CompleteK.A.B. ELECTRIC CORPGeneral Wiring
Building Lifecycle
All (41)Filed (4)Permit Issued (2)Signed Off (2)Inspection (7)Special Inspection (26)
04/17/2026
Signed off — Alteration
EXISTING TWO FAMILY HOUSE RENOVATION WITH INTERIORPARTITION WORK ONLY AT CELLAR,BASEMENT, 1ST, 2ND, 3RDFLOOR AND OUT OF SPACE WORK FOR REAR METAL DECK UNDERTHIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01209583-I1
04/15/2026
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
04/08/2026
Signed off — Alteration
EXISTING TWO FAMILY HOUSE RENOVATION WITH INTERIORPARTITION WORK ONLY AT CELLAR,BASEMENT, 1ST, 2ND, 3RDFLOOR AND OUT OF SPACE WORK FOR REAR METAL DECK UNDERTHIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01209583-S1
03/09/2026
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
12/11/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Danny Chen
12/11/2025
Special inspection requirement — Energy Code Compliance Inspections
Danny Chen
12/11/2025
Special inspection requirement — Fire-Resistance Rated Construction
Danny Chen
12/11/2025
Special inspection requirement — Air barrier - visual inspection
Danny Chen
12/11/2025
Special inspection requirement — Insulation placement and R values
Danny Chen
12/11/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Danny Chen
12/11/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Danny Chen
12/11/2025
Special inspection requirement — Lighting in dwelling units
Danny Chen
12/11/2025
Special inspection requirement — Fenestration air leakage
Danny Chen
12/11/2025
Special inspection requirement — HVAC-R and service water heating equipment
Danny Chen
12/11/2025
Special inspection requirement — HVAC-R and service water heating system controls
Danny Chen
12/11/2025
Special inspection requirement — Interior lighting power
Danny Chen
12/11/2025
Special inspection requirement — Maintenance information
Danny Chen
12/11/2025
Special inspection requirement — Fenestration areas
Danny Chen
12/11/2025
Special inspection requirement — Metering
Danny Chen
12/11/2025
Special inspection requirement — Lighting controls
Danny Chen
12/10/2025
Special inspection requirement — HVAC-R and service water heating equipment
Danny Chen
12/10/2025
Special inspection requirement — Energy Code Compliance Inspections
Danny Chen
12/10/2025
Special inspection requirement — Maintenance information
Danny Chen
12/10/2025
Special inspection requirement — HVAC-R and service water heating system controls
Danny Chen
12/10/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Danny Chen
12/09/2025
Filed — Alteration
EXISTING TWO FAMILY HOUSE RENOVATION WITH INTERIORPARTITION WORK ONLY AT CELLAR,BASEMENT, 1ST, 2ND, 3RDFLOOR AND OUT OF SPACE WORK FOR REAR METAL DECK UNDERTHIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01209583-P1
12/09/2025
Filed — Alteration
EXISTING TWO FAMILY HOUSE RENOVATION WITH INTERIORPARTITION WORK ONLY AT CELLAR,BASEMENT, 1ST, 2ND, 3RDFLOOR AND OUT OF SPACE WORK FOR REAR METAL DECK UNDERTHIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01209583-P2
11/25/2025
Special inspection requirement — Energy Code Compliance Inspections
Danny Chen
11/25/2025
Special inspection requirement — HVAC-R and service water heating system controls
Danny Chen
11/25/2025
Special inspection requirement — HVAC-R and service water heating equipment
Danny Chen
11/25/2025
Special inspection requirement — Maintenance information
Danny Chen
11/25/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Danny Chen
06/25/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
06/25/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
06/25/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
06/25/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/30/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
04/24/2025
Permit issued — General Construction
B01209583-I1-GC
04/22/2025
Permit issued — Plumbing
B01209583-S1-PL
04/17/2025
Filed — Alteration
EXISTING TWO FAMILY HOUSE RENOVATION WITH INTERIORPARTITION WORK ONLY AT CELLAR,BASEMENT, 1ST, 2ND, 3RDFLOOR AND OUT OF SPACE WORK FOR REAR METAL DECK UNDERTHIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01209583-I1
04/17/2025
Filed — Alteration
EXISTING TWO FAMILY HOUSE RENOVATION WITH INTERIORPARTITION WORK ONLY AT CELLAR,BASEMENT, 1ST, 2ND, 3RDFLOOR AND OUT OF SPACE WORK FOR REAR METAL DECK UNDERTHIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01209583-S1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MTEK1204/09/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/11/2025$1.7M—Private party → MTEK FRANKLIN LLC$590/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
PETER CHO ARCHITECTS, PLLC412/09/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PRIMROSE SERVICE INCGeneral Contractor104/09/2026
M & M PIPING AND HEATINGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
D&E BUILD EVERGREEN I9342212/09/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offPRIMROSE SERVICE INC04/24/2025
DOB NOWPlumbingSigned-offM & M PIPING AND HEATING04/22/2025
▾Field Inspections (DOB CAP) — 7
DateTypeResultReport
04/15/2026Pass-Final General Construction Non-Directive 14PassView ↗
03/09/2026Fail-Final General Construction Non-Directive 14FailView ↗
06/25/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
06/25/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
06/25/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
06/25/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/30/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 26
DateRequirementInspectorRole
12/11/2025Fire-Resistant Penetrations and JointsDanny Chenspecial
12/11/2025Energy Code Compliance InspectionsDanny Chenprogress
12/11/2025Fire-Resistance Rated ConstructionDanny Chenprogress
12/11/2025Air barrier - visual inspectionDanny Chenenergy_progress
12/11/2025Insulation placement and R valuesDanny Chenenergy_progress
12/11/2025HVAC-R and service water piping design and insulationDanny Chenenergy_progress
12/11/2025Fenestration and door U-factor and product ratingsDanny Chenenergy_progress
12/11/2025Lighting in dwelling unitsDanny Chenenergy_progress
12/11/2025Fenestration air leakageDanny Chenenergy_progress
12/11/2025HVAC-R and service water heating equipmentDanny Chenenergy_progress
12/11/2025HVAC-R and service water heating system controlsDanny Chenenergy_progress
12/11/2025Interior lighting powerDanny Chenenergy_progress
12/11/2025Maintenance informationDanny Chenenergy_progress
12/11/2025Fenestration areasDanny Chenenergy_progress
12/11/2025MeteringDanny Chenenergy_progress
12/11/2025Lighting controlsDanny Chenenergy_progress
12/10/2025HVAC-R and service water heating equipmentDanny Chenenergy_progress
12/10/2025Energy Code Compliance InspectionsDanny Chenprogress
12/10/2025Maintenance informationDanny Chenenergy_progress
12/10/2025HVAC-R and service water heating system controlsDanny Chenenergy_progress
12/10/2025HVAC-R and service water piping design and insulationDanny Chenenergy_progress
11/25/2025Energy Code Compliance InspectionsDanny Chenprogress
11/25/2025HVAC-R and service water heating system controlsDanny Chenenergy_progress
11/25/2025HVAC-R and service water heating equipmentDanny Chenenergy_progress
11/25/2025Maintenance informationDanny Chenenergy_progress
Latest 25 of 26.
▾Documents — 19 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/19/2026B01209583-P2Request digital key ↗
08/19/2026B01209583-P1Request digital key ↗
08/19/2026B01209583-S1Request digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications11
▸DOB NOWProgress Inspector Seal & Signature6
09/02/2026B01209583-S1Open ↗
09/02/2026B01209583-S1Open ↗
08/26/2026B01209583-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/19/2026B01209583-P1Open ↗
08/19/2026B01209583-S1Open ↗
08/19/2026B01209583-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature1
08/26/2026B01209583-I1Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/19/2026B01209583-P1Open ↗
08/19/2026B01209583-S1Open ↗
08/19/2026B01209583-I1Open ↗
Showing 3 of 4 on file for this type