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Two family converted from one family
289 GATES AVENUE
BROOKLYN · BIN 3056588
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1901Year Built
3Stories
B3Building Class
R6BZoning
2,560 sfGross Floor Area
2Units
0 Open ViolationsFDNY Report ↗
Two family converted from one family · 1,600 sf lot · 1.6 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Permit Issued — active, not yet Signed-off
RoofUnder Construction6p · 2 filings · 20 docs
Floor 3Under Construction11p · 4 filings · 20 docs
Floor 2Under Construction11p · 4 filings · 20 docs
Floor 1Under Construction11p · 4 filings · 20 docs
CellarUnder Construction11p · 3 filings · 20 docs
Sub-BasementUnder Construction11p · 4 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
1189 JEFFERSON1007/08/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
PETER CHO ARCHITECTS, PLLC308/17/2026
CQ&J CORPORATION107/28/2026
CHUN ENGINEERING CONSULTANT PLLC302/10/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CAVALRY LLC203/21/2026
CAVALRY MANAGEMENT203/21/2026
CAVALRY ASSOCIATES COM203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TIGER BUILDING CONSTR LLCGeneral Contractor407/08/2026
BG CONSTRUCTION NY INCGeneral Contractor308/26/2026
BT'S PLUMBING AND HEATINGPlumbing109/18/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244208/17/2026
CHUN ENGINEERING CONSULTA9605202/10/2022
M. INT'L ENGINEERING PLLC3129102/10/2022
Building Lifecycle
All (45)Filed (7)Permit Issued (6)Violation (2)Special Inspection (30)
09/17/2026
Permit issued — Plumbing
B01446135-S1-PL
08/25/2026
Permit issued — Mechanical Systems
B01446135-S2-MS
08/25/2026
Permit issued — General Construction
B01446135-I1-GC
08/17/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH MECHANICAL WORK AT CELLAR,BASEMENT,1ST,2ND AND 3RD FLOOR.JOB FILED TO RELATED TO ALT2 APPLICATION #B01446135-I1.NO CHANGE IN USE,MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.
B01446135-S2
08/17/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH MECHANICAL WORK AT CELLAR,BASEMENT,1ST,2ND AND 3RD FLOOR.JOB FILED TO RELATED TO ALT2 APPLICATION #B01446135-I1.NO CHANGE IN USE,MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.
B01446135-S1
08/17/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH MECHANICAL WORK AT CELLAR,BASEMENT,1ST,2ND AND 3RD FLOOR.JOB FILED TO RELATED TO ALT2 APPLICATION #B01446135-I1.NO CHANGE IN USE,MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.
B01446135-I1
08/17/2026
Special inspection requirement — Maintenance information
NARESH MAHANGU
08/17/2026
Special inspection requirement — Fenestration areas
NARESH MAHANGU
08/17/2026
Special inspection requirement — Interior lighting power
NARESH MAHANGU
08/17/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
NARESH MAHANGU
08/17/2026
Special inspection requirement — Mechanical Systems
NARESH MAHANGU
08/17/2026
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
08/17/2026
Special inspection requirement — Final
PETER CHO
08/17/2026
Special inspection requirement — HVAC-R and service water heating equipment
NARESH MAHANGU
08/17/2026
Special inspection requirement — HVAC-R and service water heating system controls
NARESH MAHANGU
08/17/2026
Special inspection requirement — Maintenance information
NARESH MAHANGU
08/17/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
08/17/2026
Special inspection requirement — Fire-Resistance Rated Construction
NARESH MAHANGU
08/17/2026
Special inspection requirement — Insulation placement and R values
NARESH MAHANGU
08/17/2026
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
08/17/2026
Special inspection requirement — Duct leakage testing, insulation and design
NARESH MAHANGU
08/17/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
NARESH MAHANGU
08/17/2026
Special inspection requirement — Metering
NARESH MAHANGU
08/17/2026
Special inspection requirement — Fenestration air leakage
NARESH MAHANGU
08/14/2026
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
08/05/2026
Permit issued — General Construction
B01430511-I1-GC
07/28/2026
Filed — Alteration
INTERIOR DEMOLITION ON EXISTING TWO(2) FAMILY,TWO (2) STORY RESIDENTIAL BUILDING WITH CELLAR AND BASEMETN.NO CHANGE OF BUILDING BULK,OCCUPANCY OR EGRESS.
B01430511-I1
07/15/2026
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
02/08/2024
Permit issued — General Construction
B00647495-I1-GC
02/07/2024
Permit issued — Mechanical Systems
B00647521-I1-MS
02/10/2022
Filed — Alteration
MECHANICAL FILING IN CONJUNCTION WITH DOB APPLICATION B00647495. NO CHANGE IN USE, EGRESS OR OCCUPANCY
B00647521-I1
02/10/2022
Filed — Alteration
PLUMBING FILING IN CONJUNCTION WITH DOB APPLICATION B00647495. NO CHANGE IN USE, EGRESS OR OCCUPANCY
B00647509-I1
02/02/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
NANIK MASSAND
02/02/2022
Special inspection requirement — Energy Code Compliance Inspections
NANIK MASSAND
02/02/2022
Special inspection requirement — Maintenance information
NANIK MASSAND
02/02/2022
Special inspection requirement — HVAC-R and service water heating equipment
NANIK MASSAND
02/02/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
NANIK MASSAND
02/02/2022
Special inspection requirement — Permanent certificate
NANIK MASSAND
02/02/2022
Special inspection requirement — HVAC-R and service water heating system controls
NANIK MASSAND
02/02/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
JAMES CHUN
02/02/2022
Special inspection requirement — Energy Code Compliance Inspections
JAMES CHUN
02/02/2022
Special inspection requirement — HVAC-R and service water heating equipment
JAMES CHUN
02/01/2022
Filed — Alteration
INTERIOR RENOVATION TO EXISTING EXISTING 2-FAMILY BUILDING. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00647495-I1
03/03/2003
Violation issued (ECB, closed)
Construction
01/10/2003
Violation issued (DOB, closed)
V%-DOB VIOLATION
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedBT'S PLUMBING AND HEATING09/17/2026
DOB NOWMechanical SystemsPermit IssuedBG CONSTRUCTION NY INC08/25/2026
DOB NOWGeneral ConstructionPermit IssuedBG CONSTRUCTION NY INC08/25/2026
DOB NOWGeneral ConstructionPermit IssuedBG CONSTRUCTION NY INC08/05/2026
DOB NOWGeneral ConstructionPermit IssuedTIGER BUILDING CONSTR LLC02/08/2024
DOB NOWMechanical SystemsPermit IssuedTIGER BUILDING CONSTR LLC02/07/2024
2 projects · most recent 08/17/2026
Heating and Air Conditioning Systems Air Conditioning Systems Heating Systems
FiledStatusContractorScopeMake / Model / Capacity
08/17/2026Permit IssuedBG CONSTRUCTION NY INCHeating and Air Conditioning Systems
Heat / Cool
Cooper & Hunter CH-HPR36M-230VO 37,000 BTU · Condensing Unit ×1
CH-RES24-230VO 25,000 BTU · Condensing Unit ×1
CH-RHP36M-230VO 36,000 BTU · Condensing Unit ×1
02/10/2022Permit IssuedTIGER BUILDING CONSTR LLCAir Conditioning Systems, Heating Systems
Cooling
Daikin FXSQ24TAVJU 24,000 CFM · Vrf Indoor ×4
FXAQ09PVJU 9,500 BTU · Vrf Indoor ×3
Heating
Daikin RXTQ36TAVJ9A 40,000 BTU · Vrf Outdoor ×1
RXTQ60TAVJUA 57,500 BTU · Vrf Outdoor ×1
2 projects · most recent 08/17/2026
Gas Water/Sanitary
FiledStatusContractorScope
08/17/2026Permit IssuedBT'S PLUMBING AND HEATINGGas, Water/Sanitary
02/10/2022——Gas, Water/Sanitary
1 project · most recent 07/09/2026
General Wiring
FiledStatusContractorScope
07/09/2026Permit IssuedK.A.B. ELECTRIC CORPGeneral Wiring
1 project · most recent 07/28/2026
FiledStatusContractorScope
07/28/2026Permit IssuedBG CONSTRUCTION NY INC1 scope_items
▾Special Inspection Requirements (DOB NOW) — 40
DateRequirementInspectorRole
08/17/2026Maintenance informationNARESH MAHANGUenergy_progress
08/17/2026Fenestration areasNARESH MAHANGUenergy_progress
08/17/2026Interior lighting powerNARESH MAHANGUenergy_progress
08/17/2026Fenestration and door U-factor and product ratingsNARESH MAHANGUenergy_progress
08/17/2026Mechanical SystemsNARESH MAHANGUspecial
08/17/2026Energy Code Compliance InspectionsNARESH MAHANGUprogress
08/17/2026FinalPETER CHOprogress
08/17/2026HVAC-R and service water heating equipmentNARESH MAHANGUenergy_progress
08/17/2026HVAC-R and service water heating system controlsNARESH MAHANGUenergy_progress
08/17/2026Maintenance informationNARESH MAHANGUenergy_progress
08/17/2026Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
08/17/2026Fire-Resistance Rated ConstructionNARESH MAHANGUprogress
08/17/2026Insulation placement and R valuesNARESH MAHANGUenergy_progress
08/17/2026Air barrier - visual inspectionNARESH MAHANGUenergy_progress
08/17/2026Duct leakage testing, insulation and designNARESH MAHANGUenergy_progress
08/17/2026HVAC-R and service water piping design and insulationNARESH MAHANGUenergy_progress
08/17/2026MeteringNARESH MAHANGUenergy_progress
08/17/2026Fenestration air leakageNARESH MAHANGUenergy_progress
08/14/2026Energy Code Compliance InspectionsNARESH MAHANGUprogress
07/15/2026Energy Code Compliance InspectionsCALVIN TRANprogress
02/02/2022Fire-Resistant Penetrations and JointsNANIK MASSANDspecial
02/02/2022Energy Code Compliance InspectionsNANIK MASSANDprogress
02/02/2022Maintenance informationNANIK MASSANDenergy_progress
02/02/2022HVAC-R and service water heating equipmentNANIK MASSANDenergy_progress
02/02/2022HVAC-R and service water piping design and insulationNANIK MASSANDenergy_progress
Latest 25 of 40.
▾Documents — 38 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/31/2026B00647495-I1Request digital key ↗
08/31/2026B00647509-I1Request digital key ↗
08/31/2026B00647521-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications24
▸DOB NOWProgress Inspector Seal & Signature12
09/03/2026B01446135-I1Open ↗
09/03/2026B01446135-I1Open ↗
09/01/2026B01446135-S2Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/18/2026B01446135-S1Open ↗
08/18/2026B01446135-I1Open ↗
08/18/2026B01446135-S2Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/03/2026B01446135-I1Open ↗
09/01/2026B01446135-S2Open ↗
08/29/2026B00647509-I1Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/18/2026B01446135-S2Open ↗
08/18/2026B01446135-S1Open ↗
08/18/2026B01446135-I1Open ↗
Showing 3 of 7 on file for this type