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One family attached or semi-detached
307 MACON STREET
BROOKLYN · BIN 3053193
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1886Year Built
3Stories
A5Building Class
R6BZoning
3,200 sfGross Floor Area
1Units
0 Open Violations
One family attached or semi-detached · Owner of record: MTEK NYC LLC · 2,000 sf lot · 1.6 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalFire Protection
Roof2p · 1 filing · 20 docs
Floor 33p · 1 filing · 20 docs
Floor 21p · 1 filing · 20 docs
Floor 11p · 1 filing · 20 docs
Cellar3p · 1 filing · 20 docs
1 job · most recent 03/19/2026
General Wiring
FiledStatusContractorScope
03/19/2026CompleteK.A.B. ELECTRIC CORPGeneral Wiring
Building Lifecycle
All (51)Filed (6)Permit Issued (3)Signed Off (3)Violation (1)Inspection (8)Special Inspection (30)
04/20/2026
Signed off — Alteration
EXISTING 1 FAMILY BUILDING RENOVATION WITH PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND, & 3RD FLOORS AND OPEN SPACE IN THE REAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01189513-S1
04/13/2026
Signed off — Alteration
B01260059-I1
02/18/2026
Signed off — Alteration
EXISTING 1 FAMILY BUILDING RENOVATION WITH PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND, & 3RD FLOORS AND OPEN SPACE IN THE REAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01189513-I1
02/11/2026
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
12/24/2025
Special inspection requirement — Interior lighting power
Jaeyoung Jang
12/24/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Jaeyoung Jang
12/24/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Jaeyoung Jang
12/24/2025
Special inspection requirement — Maintenance information
Jaeyoung Jang
12/24/2025
Special inspection requirement — HVAC-R and service water heating system controls
Jaeyoung Jang
12/24/2025
Special inspection requirement — Air barrier - visual inspection
Jaeyoung Jang
12/24/2025
Special inspection requirement — Fenestration areas
Jaeyoung Jang
12/24/2025
Special inspection requirement — HVAC-R and service water heating equipment
Jaeyoung Jang
12/24/2025
Special inspection requirement — Insulation placement and R values
Jaeyoung Jang
12/24/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
12/24/2025
Special inspection requirement — Fenestration air leakage
Jaeyoung Jang
12/24/2025
Special inspection requirement — Metering
Jaeyoung Jang
12/24/2025
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
12/24/2025
Special inspection requirement — Fire-Resistance Rated Construction
Jaeyoung Jang
12/23/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING RENOVATION WITH PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND, & 3RD FLOORS AND OPEN SPACE IN THE REAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01189513-P2
12/23/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING RENOVATION WITH PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND, & 3RD FLOORS AND OPEN SPACE IN THE REAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01189513-P3
12/05/2025
Special inspection requirement — Air barrier - visual inspection
Jaeyoung Jang
12/05/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
12/05/2025
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
12/05/2025
Special inspection requirement — Fire-Resistance Rated Construction
Jaeyoung Jang
12/05/2025
Special inspection requirement — Maintenance information
Jaeyoung Jang
12/05/2025
Special inspection requirement — HVAC-R and service water heating equipment
Jaeyoung Jang
12/05/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Jaeyoung Jang
12/05/2025
Special inspection requirement — Fenestration areas
Jaeyoung Jang
12/05/2025
Special inspection requirement — Fenestration air leakage
Jaeyoung Jang
12/05/2025
Special inspection requirement — Insulation placement and R values
Jaeyoung Jang
12/05/2025
Special inspection requirement — Metering
Jaeyoung Jang
12/05/2025
Special inspection requirement — HVAC-R and service water heating system controls
Jaeyoung Jang
12/05/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Jaeyoung Jang
12/05/2025
Special inspection requirement — Interior lighting power
Jaeyoung Jang
12/05/2025
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
12/05/2025
Special inspection requirement — HVAC-R and service water heating system controls
Jaeyoung Jang
09/17/2025
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
07/24/2025
Permit issued — Supported Scaffold
B01260059-I1-SF
07/23/2025
Filed — Alteration
B01260059-I1
06/18/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
06/18/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
06/18/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
06/18/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/18/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
06/05/2025
Permit issued — Plumbing
B01189513-S1-PL
06/04/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
05/09/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING RENOVATION WITH PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND, & 3RD FLOORS AND OPEN SPACE IN THE REAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01189513-S1
05/09/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING RENOVATION WITH PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND, & 3RD FLOORS AND OPEN SPACE IN THE REAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01189513-P1
04/28/2025
Permit issued — General Construction
B01189513-I1-GC
04/24/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING RENOVATION WITH PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND, & 3RD FLOORS AND OPEN SPACE IN THE REAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01189513-I1
04/08/2024
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MTEK1404/09/2026
ACE GROUP NY CORP.503/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/27/2025$1.6M—— → —$504/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CLIP ARCHITECTS512/23/2025
FAZAL BANGASH107/23/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH1003/21/2026
GREEN STUDIO203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ACE GROUP NY CORPGeneral Contractor303/21/2026
PRIMROSE SERVICE INCGeneral Contractor303/21/2026
M & M PIPING AND HEATINGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244212/23/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSupported ScaffoldSigned-offACE GROUP NY CORP07/24/2025
DOB NOWPlumbingSigned-offM & M PIPING AND HEATING06/05/2025
DOB NOWGeneral ConstructionSigned-offPRIMROSE SERVICE INC04/28/2025
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
02/11/2026Pass-Final General Construction Non-Directive 14PassView ↗
06/18/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
06/18/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
06/18/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
06/18/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
06/18/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
06/04/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/08/2024Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Special Inspection Requirements (DOB NOW) — 47
DateRequirementInspectorRole
12/24/2025Interior lighting powerJaeyoung Jangenergy_progress
12/24/2025HVAC-R and service water piping design and insulationJaeyoung Jangenergy_progress
12/24/2025Fenestration and door U-factor and product ratingsJaeyoung Jangenergy_progress
12/24/2025Maintenance informationJaeyoung Jangenergy_progress
12/24/2025HVAC-R and service water heating system controlsJaeyoung Jangenergy_progress
12/24/2025Air barrier - visual inspectionJaeyoung Jangenergy_progress
12/24/2025Fenestration areasJaeyoung Jangenergy_progress
12/24/2025HVAC-R and service water heating equipmentJaeyoung Jangenergy_progress
12/24/2025Insulation placement and R valuesJaeyoung Jangenergy_progress
12/24/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
12/24/2025Fenestration air leakageJaeyoung Jangenergy_progress
12/24/2025MeteringJaeyoung Jangenergy_progress
12/24/2025Energy Code Compliance InspectionsJaeyoung Jangprogress
12/24/2025Fire-Resistance Rated ConstructionJaeyoung Jangprogress
12/05/2025Air barrier - visual inspectionJaeyoung Jangenergy_progress
12/05/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
12/05/2025Energy Code Compliance InspectionsJaeyoung Jangprogress
12/05/2025Fire-Resistance Rated ConstructionJaeyoung Jangprogress
12/05/2025Maintenance informationJaeyoung Jangenergy_progress
12/05/2025HVAC-R and service water heating equipmentJaeyoung Jangenergy_progress
12/05/2025Fenestration and door U-factor and product ratingsJaeyoung Jangenergy_progress
12/05/2025Fenestration areasJaeyoung Jangenergy_progress
12/05/2025Fenestration air leakageJaeyoung Jangenergy_progress
12/05/2025Insulation placement and R valuesJaeyoung Jangenergy_progress
12/05/2025MeteringJaeyoung Jangenergy_progress
Latest 25 of 47.
▾Documents — 52 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/21/2026B01260059-I1Request digital key ↗
08/19/2026B01189513-S1Request digital key ↗
08/19/2026B01189513-P2Request digital key ↗
Showing 3 of 6 on file for this type
▸Applications & Permits5
▸DOB NOWLPC Approval/Permit5
08/13/2026B01189513-P3Open ↗
08/13/2026B01189513-I1Open ↗
08/13/2026B01189513-P2Open ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications36
▸DOB NOWProgress Inspector Seal & Signature28
08/29/2026B01189513-P3Open ↗
08/29/2026B01189513-P3Open ↗
08/25/2026B01189513-I1Open ↗
Showing 3 of 28 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/21/2026B01260059-I1Open ↗
08/19/2026B01189513-S1Open ↗
08/19/2026B01189513-P2Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
08/25/2026B01189513-I1Open ↗
08/23/2026B01189513-P2Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/19/2026B01189513-S1Open ↗
08/19/2026B01189513-P2Open ↗
08/19/2026B01189513-P3Open ↗
Showing 3 of 5 on file for this type