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BROOKLYN
Katan Court Condominium
726 MADISON STREET · BIN 3045257
💬 Discuss this project
—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
0 Open ViolationsFDNY Report ↗
Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionGeneral
Roof1p · 1 filing · 3 docs
Penthouse26p · 1 filing · 20 docs
Floor 428p · 1 filing · 20 docs
Floor 323p · 1 filing · 20 docs
Floor 231p · 1 filing · 20 docs
Floor 125p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
HPD404/09/2026
EMM MADISON LLC703/22/2026
JOAM LLC5003/22/2026
HOUSING PRESERVATION DEVELOPME203/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HPL ENGINEERING P.C.1004/29/2025
JIAN ENGINEERING PLLC804/08/2024
MOSTAFA110/04/2019
KZ ENGINEERING, P.C106/12/2019
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
H Z BUILDING NY3403/21/2026
EXPEDITE DEM203/21/2026
SYNERGY BUILDING CONSULTANTS103/21/2026
SD DESIGN STUDIO203/21/2026
SHEIKH EXPEDITING203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ACER CONSTRUCTION INCGeneral Contractor1007/08/2026
ALL PRO PLBG & HTG INCFire Protection107/08/2026
ARSENAL SCAFFOLD INCGeneral Contractor104/09/2026
ALL PRO PLBG & HTG INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JIAN ENGINEERING PLLC73971604/29/2025
Building Lifecycle
All (188)Filed (21)Permit Issued (14)Signed Off (11)Violation (60)Inspection (8)Objection (44)Special Inspection (30)
09/18/2025
Objection resolved — Addressed
09/18/2025
Special inspection requirement — Fire-Resistance Rated Construction
JIAN DENG
09/18/2025
Special inspection requirement — Interior lighting power
JIAN DENG
09/18/2025
Special inspection requirement — Vestibules
JIAN DENG
09/18/2025
Special inspection requirement — Energy Code Compliance Inspections
JIAN DENG
09/18/2025
Special inspection requirement — Concrete - Cast-In-Place
JIAN DENG
09/18/2025
Special inspection requirement — Insulation placement and R values
JIAN DENG
09/18/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
JIAN DENG
09/18/2025
Special inspection requirement — Lighting in dwelling units
JIAN DENG
09/18/2025
Special inspection requirement — Metering
JIAN DENG
09/18/2025
Special inspection requirement — Fenestration areas
JIAN DENG
09/18/2025
Special inspection requirement — Maintenance information
JIAN DENG
09/18/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
09/18/2025
Special inspection requirement — Construction Operations Influencing Adjacent Structures
JIAN DENG
09/18/2025
Special inspection requirement — Masonry
JIAN DENG
09/18/2025
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
Rajasekhar Sakhamuri
09/18/2025
Special inspection requirement — Air barrier - visual inspection
JIAN DENG
09/18/2025
Special inspection requirement — Fenestration air leakage
JIAN DENG
09/18/2025
Special inspection requirement — Exterior lighting power
JIAN DENG
09/18/2025
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
JIAN DENG
09/18/2025
Special inspection requirement — Lighting controls
JIAN DENG
06/03/2025
Objection raised — Other
05/14/2025
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-Z3
05/01/2025
Special inspection requirement — Construction Operations Influencing Adjacent Structures
JIAN DENG
05/01/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
05/01/2025
Special inspection requirement — Fire-Resistance Rated Construction
JIAN DENG
05/01/2025
Special inspection requirement — Masonry
JIAN DENG
05/01/2025
Special inspection requirement — Concrete - Cast-In-Place
JIAN DENG
05/01/2025
Special inspection requirement — Interior lighting power
JIAN DENG
05/01/2025
Special inspection requirement — Energy Code Compliance Inspections
JIAN DENG
05/01/2025
Special inspection requirement — Maintenance information
JIAN DENG
05/01/2025
Special inspection requirement — Vestibules
JIAN DENG
05/01/2025
Special inspection requirement — Lighting in dwelling units
JIAN DENG
04/29/2025
Filed — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-P9
04/21/2025
Signed off — Alteration
Suspended scaffold out rigger system for facade repair works .
B01077539-I1
04/01/2025
Permit issued — Mechanical Systems
B00910416-Z3-MS
03/27/2025
Filed — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-Z3
03/20/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
03/10/2025
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-S9
03/10/2025
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-S8
03/06/2025
Filed — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-P8
02/27/2025
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-Z1
02/13/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
01/23/2025
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
01/20/2025
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
11/05/2024
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-S7
11/05/2024
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-S6
11/04/2024
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-S4
09/26/2024
Objection resolved — Addressed
09/20/2024
Objection raised — Other
09/11/2024
Filed — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-P7
08/02/2024
Permit issued — Suspended Scaffold
B01077539-I1-SC
07/26/2024
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-Z2
07/25/2024
Filed — Alteration
Suspended scaffold out rigger system for facade repair works .
B01077539-I1
06/11/2024
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
06/11/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
05/24/2024
Filed — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-P6
05/22/2024
Signed off — New Building
MECHANICAL WORK IN CONJUNCTION WITH GENERAL CONSTRUCTION WORK JOB # B00910416.
B00910416-S5
05/22/2024
Permit issued — Sprinklers
B00910416-S8-EW-SP
05/20/2024
Permit issued — General Construction
B00910416-I1-GC
Latest 60 of 188 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offACER CONSTRUCTION INC04/01/2025
DOB NOWSuspended ScaffoldPermit IssuedJAVA BUILDERS INC08/02/2024
DOB NOWSprinklersSigned-offALL PRO PLBG & HTG INC05/22/2024
DOB NOWGeneral ConstructionPermit IssuedACER CONSTRUCTION INC05/20/2024
DOB NOWSupported ScaffoldSigned-offACER CONSTRUCTION INC04/25/2024
DOB NOWGeneral ConstructionPermit IssuedACER CONSTRUCTION INC03/22/2024
DOB NOWSidewalk ShedSigned-offACER CONSTRUCTION INC03/11/2024
DOB NOWPlumbingSigned-offALL PRO PLBG & HTG INC12/08/2023
DOB NOWGeneral ConstructionPermit IssuedACER CONSTRUCTION INC10/26/2023
DOB NOWFoundationSigned-offACER CONSTRUCTION INC10/23/2023
DOB NOWStructuralSigned-offACER CONSTRUCTION INC10/23/2023
DOB NOWSupport of ExcavationSigned-offACER CONSTRUCTION INC10/17/2023
DOB NOWConstruction FenceSigned-offACER CONSTRUCTION INC10/16/2023
DOB NOWSidewalk ShedSigned-offARSENAL SCAFFOLD INC06/12/2019
BIS—RE-ISSUEDSTATEWIDE DEMOLITION CORP.11/22/2019
1 project · most recent 04/29/2025
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
04/29/2025Signed-offACER CONSTRUCTION INCHeating and Air Conditioning Systems
Heat / Cool
Mitsubishi Electric MXZ-3C24NAHZ3-U1 25,000 BTU · Heat Pump Outdoor ×16
MXZ-2C20NAHZ4-U1 22,000 BTU · Heat Pump Outdoor ×12
SUZ-KA24NAHZ 24,000 BTU · Ahu ×4
1 project · most recent 04/29/2025
Storm Water/Sanitary
FiledStatusContractorScope
04/29/2025Signed-offALL PRO PLBG & HTG INCStorm, Water/Sanitary
2 projects · most recent 02/29/2024
General Wiring
FiledStatusContractorScope
02/29/2024CompleteK.A.B. ELECTRIC CORPGeneral Wiring
05/30/2019CompleteNASH ELECTRIC SERVICES IN—
1 project · most recent 04/29/2025
Concrete Masonry
FiledStatusContractorScope
04/29/2025Signed-offACER CONSTRUCTION INCConcrete, Masonry
2 projects · most recent 04/29/2025
Fence Scaffold Sidewalk Shed
FiledStatusContractorScope
04/29/2025Signed-offACER CONSTRUCTION INCFence, Scaffold, Sidewalk Shed
10/04/2019——Fence
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
03/20/2025Pass-Final CND-Occupancy InspectionPassView ↗
02/13/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
01/23/2025Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
01/20/2025Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
06/11/2024Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
06/11/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/14/2023Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/14/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 99
DateRequirementInspectorRole
09/18/2025Fenestration areasJIAN DENGenergy_progress
09/18/2025Interior lighting powerJIAN DENGenergy_progress
09/18/2025Insulation placement and R valuesJIAN DENGenergy_progress
09/18/2025MeteringJIAN DENGenergy_progress
09/18/2025Lighting controlsJIAN DENGenergy_progress
09/18/2025VestibulesJIAN DENGenergy_progress
09/18/2025Lighting in dwelling unitsJIAN DENGenergy_progress
09/18/2025Exterior lighting powerJIAN DENGenergy_progress
09/18/2025Fenestration air leakageJIAN DENGenergy_progress
09/18/2025Fenestration and door U-factor and product ratingsJIAN DENGenergy_progress
09/18/2025Fire-Resistant Penetrations and JointsJIAN DENGspecial
09/18/2025MasonryJIAN DENGspecial
09/18/2025Exterior Insulation and Finish Systems (EIFS)JIAN DENGspecial
09/18/2025Subsurface Investigations (Borings/Test Pits)Rajasekhar Sakhamurispecial
09/18/2025Concrete - Cast-In-PlaceJIAN DENGspecial
09/18/2025Construction Operations Influencing Adjacent StructuresJIAN DENGspecial
09/18/2025Energy Code Compliance InspectionsJIAN DENGprogress
09/18/2025Fire-Resistance Rated ConstructionJIAN DENGprogress
09/18/2025Maintenance informationJIAN DENGenergy_progress
09/18/2025Air barrier - visual inspectionJIAN DENGenergy_progress
05/01/2025Fire-Resistance Rated ConstructionJIAN DENGprogress
05/01/2025MasonryJIAN DENGspecial
05/01/2025Exterior Insulation and Finish Systems (EIFS)JIAN DENGspecial
05/01/2025Subsurface Investigations (Borings/Test Pits)Rajasekhar Sakhamurispecial
05/01/2025Concrete - Cast-In-PlaceJIAN DENGspecial
Latest 25 of 99.
▾Documents — 219 on file (BIS + DOB NOW)
▸Plans & Drawings21
▸DOB NOWPlans/Sketch19
08/24/2026B01077539-I1Request digital key ↗
08/22/2026B00910416-S6Request digital key ↗
08/22/2026B00910416-S5Request digital key ↗
Showing 3 of 19 on file for this type
▸DOB NOWPlans/Sketch - Construction Fence1
09/02/2026B00187221-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Sidewalk Shed1
09/02/2026B00173395-I1Request digital key ↗
▸Applications & Permits7
▸BISPLAN / WORK APPROVAL APPLICATION4
03/18/2025340906513Open ↗
12/10/2024322118025Open ↗
11/22/2023340906513Open ↗
Showing 3 of 4 on file for this type
▸BISBPP-5 - Authorization to the Department of Transportation2
12/28/2023340906513Open ↗
11/22/2023340906513Open ↗
▸BISWORK PERMIT APPLICATION1
11/23/2019321956594Open ↗
▸Zoning, Tax Lot & Property Records12
▸DOB NOWZD1: DOB Zoning Diagram5
08/13/2026B00910416-P7Open ↗
08/13/2026B00910416-P1Open ↗
08/13/2026B00910416-P6Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWZoning Exhibit form (1-5)5
08/13/2026B00910416-I1Open ↗
08/13/2026B00910416-P7Open ↗
08/13/2026B00910416-P1Open ↗
Showing 3 of 5 on file for this type
▸BISTAX LOT: TENTATIVE LOT NUMBER ISSUED1
12/13/2024322118025Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00910416-I1Open ↗
▸Seals & Professional Certifications117
▸DOB NOWProgress Inspector Seal & Signature55
09/08/2026B00910416-P9Open ↗
09/08/2026B00910416-P9Open ↗
09/08/2026B00910416-P9Open ↗
Showing 3 of 55 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature37
09/08/2026B00910416-P9Open ↗
09/08/2026B00910416-P9Open ↗
09/08/2026B00910416-P9Open ↗
Showing 3 of 37 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature20
08/22/2026B00910416-S6Open ↗
08/22/2026B00910416-S5Open ↗
08/22/2026B00910416-P1Open ↗
Showing 3 of 20 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
01/09/2020321956594Open ↗
11/23/2019321956594Open ↗
11/23/2019321956594Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
11/22/2023340906513Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
11/22/2023340906513Open ↗
▸Trade Schedules & Equipment5
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)5
08/13/2026B00910416-P1Open ↗
08/13/2026B00910416-P9Open ↗
08/13/2026B00910416-P6Open ↗
Showing 3 of 5 on file for this type
▸Safety & Tenant Protection11
▸DOB NOWStreet Tree Checklist5
08/22/2026B00910416-P1Open ↗
08/22/2026B00910416-P6Open ↗
08/14/2026B00910416-I1Open ↗
Showing 3 of 5 on file for this type
▸BISBPP: STREET TREES SITE PLAN1
11/22/2023340906513Open ↗
▸BISSTREET TREE CHECKLIST1
11/22/2023340906513Open ↗
▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1
11/23/2019321956594Open ↗
▸DOB NOWStreet Trees Site Plan1
08/13/2026B00910416-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00910416-I1Open ↗
▸DOB NOWStreet Tree Sign Off1
08/13/2026B00910416-I1Open ↗
▸Inspections & Test Reports12
▸DOB NOWSOIL REPORT9
08/13/2026B00910416-P1Open ↗
08/13/2026B00910416-P6Open ↗
08/13/2026B00910416-P7Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWTR4 Test Report and Plot Diagram3
08/13/2026B00910416-S6Open ↗
08/13/2026B00910416-I1Open ↗
08/13/2026B00910416-S5Open ↗
▸Filing & Intake Forms9
▸BISADDITIONAL INFORMATION6
03/21/2025340906513Open ↗
03/20/2025340906513Open ↗
12/28/2023340906513Open ↗
Showing 3 of 6 on file for this type
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
11/22/2023340906513Open ↗
▸BISEFILING COVER SHEET1
05/30/2019321956594Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
11/22/2023340906513Open ↗
▸Other Documents25
▸DOB NOWSite Survey: Initial5
08/13/2026B00910416-P1Open ↗
08/13/2026B00910416-P6Open ↗
08/13/2026B00910416-P7Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone5
08/13/2026B00910416-P9Open ↗
08/13/2026B00910416-P7Open ↗
08/13/2026B00910416-P6Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProperty Ownership Certification5
08/22/2026B00910416-P6Open ↗
08/22/2026B00910416-P1Open ↗
08/14/2026B00910416-I1Open ↗
Showing 3 of 5 on file for this type
▸BISBPP - SUPPORTING DOCUMENTATION3
03/20/2025340906513Open ↗
12/11/2023340906513Open ↗
11/22/2023340906513Open ↗
▸BISRECORDS MGMT FEE PAYMENT RECEIPT2
12/13/2024322118025Open ↗
11/22/2023340906513Open ↗
▸DOB NOWAdjoining Owners Notification2
08/13/2026B00910416-S6Open ↗
08/13/2026B00910416-S5Open ↗
▸DOB NOWFinal Survey1
08/13/2026B00910416-I1Open ↗
▸DOB NOWCalculations1
08/13/2026B01077539-I1Open ↗
▸DOB NOWManufacturer's Specifications1
08/13/2026B01077539-I1Open ↗