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Three families
1417 JEFFERSON AVENUE
BROOKLYN · Bushwick (East) · BIN 3077712
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1901Year Built
3Stories
C0Building Class
R6Zoning
3,300 sfGross Floor Area
3Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Three families · Owner of record: 1417 JEFFERSON LLC · 2,000 sf lot · 1.65 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Roof9p · 1 filing · 20 docs
Floor 310p · 1 filing · 20 docs
Floor 210p · 1 filing · 20 docs
Floor 110p · 1 filing · 20 docs
Cellar11p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
USA DEVELOPMENT1007/08/2026
MTEK603/21/2026
1417 JEFFERSON LLC103/22/2026
MTEK UNION LLC103/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
08/02/2024$1.3M—Private party → MTEK UNION LLC$394/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CLIP ARCHITECTS601/06/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH1203/21/2026
▾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
NKM ENGINEERING PLLC6244401/06/2025
Building Lifecycle
All (70)Filed (6)Permit Issued (3)Signed Off (3)Violation (23)Inspection (5)Special Inspection (30)
05/05/2026
Violation issued (HPD, closed)
A
03/14/2025
Signed off — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-S3
02/24/2025
Signed off — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-I1
02/03/2025
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
01/16/2025
Signed off — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-S1
01/10/2025
Special inspection requirement — Fenestration air leakage
Jaeyoung Jang
01/10/2025
Special inspection requirement — Interior lighting power
Jaeyoung Jang
01/10/2025
Special inspection requirement — Insulation placement and R values
Jaeyoung Jang
01/10/2025
Special inspection requirement — Metering
Jaeyoung Jang
01/10/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Jaeyoung Jang
01/10/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
01/10/2025
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
01/10/2025
Special inspection requirement — Fire-Resistance Rated Construction
Jaeyoung Jang
01/10/2025
Special inspection requirement — Fenestration areas
Jaeyoung Jang
01/10/2025
Special inspection requirement — Air barrier - visual inspection
Jaeyoung Jang
01/09/2025
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
01/09/2025
Special inspection requirement — HVAC-R and service water heating system controls
Jaeyoung Jang
01/09/2025
Special inspection requirement — Maintenance information
Jaeyoung Jang
01/09/2025
Special inspection requirement — HVAC-R and service water heating equipment
Jaeyoung Jang
01/09/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Jaeyoung Jang
01/06/2025
Filed — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-P2
01/06/2025
Filed — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-P3
01/06/2025
Filed — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-P1
01/06/2025
Special inspection requirement — Energy Code Compliance Inspections
01/06/2025
Special inspection requirement — Maintenance information
Jaeyoung Jang
01/06/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Jaeyoung Jang
01/06/2025
Special inspection requirement — HVAC-R and service water heating equipment
Jaeyoung Jang
01/06/2025
Special inspection requirement — HVAC-R and service water heating system controls
Jaeyoung Jang
12/10/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
12/10/2024
Special inspection requirement — Energy Code Compliance Inspections
Jaeyoung Jang
12/10/2024
Special inspection requirement — Fire-Resistance Rated Construction
Jaeyoung Jang
12/10/2024
Special inspection requirement — Fenestration air leakage
Jaeyoung Jang
12/10/2024
Special inspection requirement — Insulation placement and R values
Jaeyoung Jang
12/10/2024
Special inspection requirement — Interior lighting power
Jaeyoung Jang
12/10/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
Jaeyoung Jang
12/10/2024
Special inspection requirement — Fenestration areas
Jaeyoung Jang
12/10/2024
Special inspection requirement — Metering
Jaeyoung Jang
12/10/2024
Special inspection requirement — Air barrier - visual inspection
Jaeyoung Jang
11/29/2024
Violation issued (HPD, closed)
I
11/04/2024
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
09/26/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
09/26/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
09/23/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
08/23/2024
Permit issued — Plumbing
B01093338-S1-PL
08/21/2024
Permit issued — General Construction
B01093338-I1-GC
08/20/2024
Permit issued — Mechanical Systems
B01093338-S3-MS
08/12/2024
Filed — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-S3
08/12/2024
Filed — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-I1
08/12/2024
Filed — Alteration
EXISTING THREE-FAMILY HOUSE WITH MECHANICAL WORK AT CELLAR,1 ST, 2ND AND 3RD FLOORS IN CONJUNCTION TO ALT2 APPLICATION # B01093338-I1. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01093338-S1
04/10/2024
Violation issued (HPD, closed)
A
11/22/2023
Violation issued (HPD, closed)
I
03/23/2023
Violation issued (HPD, closed)
A
11/14/2022
Violation issued (HPD, closed)
I
02/25/2022
Violation issued (HPD, closed)
A
04/09/2021
Violation issued (HPD, closed)
A
04/09/2021
Violation issued (HPD, closed)
I
10/18/2018
Violation issued (HPD, closed)
I
11/09/2016
Violation issued (HPD, closed)
I
02/23/2015
Violation issued (HPD, closed)
I
03/02/2013
Violation issued (HPD, closed)
C
Latest 60 of 70 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offM & M PIPING AND HEATING08/23/2024
DOB NOWGeneral ConstructionSigned-offTURN KEY NYC LLC08/21/2024
DOB NOWMechanical SystemsSigned-offTURN KEY NYC LLC08/20/2024
1 project · most recent 09/17/2024
General Wiring
FiledStatusContractorScope
09/17/2024CompleteK.A.B. ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
02/03/2025Pass-Final General Construction Non-Directive 14PassView ↗
11/04/2024Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
09/26/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
09/26/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
09/23/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 30
DateRequirementInspectorRole
01/10/2025Fenestration air leakageJaeyoung Jangenergy_progress
01/10/2025Interior lighting powerJaeyoung Jangenergy_progress
01/10/2025Insulation placement and R valuesJaeyoung Jangenergy_progress
01/10/2025MeteringJaeyoung Jangenergy_progress
01/10/2025Fenestration and door U-factor and product ratingsJaeyoung Jangenergy_progress
01/10/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
01/10/2025Energy Code Compliance InspectionsJaeyoung Jangprogress
01/10/2025Fire-Resistance Rated ConstructionJaeyoung Jangprogress
01/10/2025Fenestration areasJaeyoung Jangenergy_progress
01/10/2025Air barrier - visual inspectionJaeyoung Jangenergy_progress
01/09/2025Energy Code Compliance InspectionsJaeyoung Jangprogress
01/09/2025HVAC-R and service water heating system controlsJaeyoung Jangenergy_progress
01/09/2025Maintenance informationJaeyoung Jangenergy_progress
01/09/2025HVAC-R and service water heating equipmentJaeyoung Jangenergy_progress
01/09/2025HVAC-R and service water piping design and insulationJaeyoung Jangenergy_progress
01/06/2025Energy Code Compliance Inspections—progress
01/06/2025Maintenance informationJaeyoung Jangenergy_progress
01/06/2025HVAC-R and service water piping design and insulationJaeyoung Jangenergy_progress
01/06/2025HVAC-R and service water heating equipmentJaeyoung Jangenergy_progress
01/06/2025HVAC-R and service water heating system controlsJaeyoung Jangenergy_progress
12/10/2024Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
12/10/2024Energy Code Compliance InspectionsJaeyoung Jangprogress
12/10/2024Fire-Resistance Rated ConstructionJaeyoung Jangprogress
12/10/2024Fenestration air leakageJaeyoung Jangenergy_progress
12/10/2024Insulation placement and R valuesJaeyoung Jangenergy_progress
Latest 25 of 30.
▾Documents — 27 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/24/2026B01093338-P2Request digital key ↗
08/24/2026B01093338-P1Request digital key ↗
08/24/2026B01093338-S3Request digital key ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications15
▸DOB NOWProgress Inspector Seal & Signature7
08/28/2026B01093338-P2Open ↗
08/27/2026B01093338-S1Open ↗
08/27/2026B01093338-S1Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/24/2026B01093338-P1Open ↗
08/24/2026B01093338-S3Open ↗
08/24/2026B01093338-S1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
08/26/2026B01093338-I1Open ↗
08/23/2026B01093338-P1Open ↗
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/24/2026B01093338-S3Open ↗
08/24/2026B01093338-S1Open ↗
08/24/2026B01093338-I1Open ↗
Showing 3 of 6 on file for this type