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BuildNYC
Five to six families
218 23RD STREET
BROOKLYN · BIN 3009549
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2025Year Built
4.5Stories
C2Building Class
R6BZoning
6,090 sfGross Floor Area
6Units
0 Active ViolationsFDNY Report ↗
Five to six families · Owner of record: 218 23rd Owner · 2,504 sf lot · 2.43 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionEquipmentLandscapeCivilGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
RoofMechanical work for new building35p · 4 filings · 20 docs
BulkheadPlumbing work2p · 2 filings · 20 docs
Floor 4Mechanical work for new building35p · 4 filings · 20 docs
Floor 3Mechanical work for new building34p · 4 filings · 20 docs
Floor 2Mechanical work for new building35p · 4 filings · 20 docs
Floor 1Mechanical work for new building34p · 4 filings · 20 docs
MezzanineMechanical work for new building35p · 4 filings · 20 docs
CellarMechanical work for new building35p · 4 filings · 20 docs
Site & exteriorConstruction fence erection12p · 5 filings · 8 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Kings Capital3209/13/2026
South Park Slope I1603/22/2026
New York City Housing Authority207/08/2026
Balthasar Capital Partners203/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
05/05/2025$1.0M—SOUTH PARK SLOPE I, LLC → 218 23RD OWNER LLC— not available
08/02/2018$1.7M—Private party → SOUTH PARK SLOPE I, LLC— not available
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Adb Associates304/21/2026
Chosen MEP303/24/2026
SH Engineering1011/12/2025
KNF Services Crop207/09/2025
Daniel R. Wapner PE103/15/2023
Studio Huji108/15/2022
City Consultant Engineeirng207/06/2020
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Adsspecial Inspections203/21/2026
NH Expediting and Consulting203/21/2026
Highrise Group803/21/2026
Marguerite Connelly Your Expediter103/21/2026
KNF Services Crop403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Ugb ConstructionScaffold1306/27/2026
Ugb ConstructionGeneral Contractor1007/08/2026
NYC Special ContractorsScaffold807/08/2026
Expert Plumbing & HeatingPlumbing407/08/2026
IR ContractingScaffold406/27/2026
IR ContractingGeneral Contractor304/09/2026
Expert Electric Cont NY IElectrical203/21/2026
Arco Plumbing and HeatingFire Protection107/08/2026
Expert Electric Cont NY IElectrical103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HRF Services56161504/21/2026
ADS Special Inspections1270107/06/2020
Building Lifecycle
All (164)Filed (22)Permit Issued (31)Signed Off (9)Violation (22)Inspection (4)Objection (46)Special Inspection (30)
09/23/2026
Signed off — Alteration
INSTALLATION OF SPRINKLER SYSTEM AS PER NFPA13R In conjunction with NB 322003470
B01168611-I1
09/22/2026
Signed off — Alteration
PLUMBING WORK IN CONJUNCTION WITH 322003470
B01161897-I1
09/02/2026
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
07/24/2026
Signed off — Alteration
MECHANICAL WORK TO NEW BUILDING IN CONJUNCTION TO 322003470
B01158834-I1
06/25/2026
Signed off — Alteration
CONSTRUCTION FENCE AS PER PLANS
B00844469-I1
06/25/2026
Signed off — Alteration
FILING FOR TEMPORARY SHED.
B01245351-I1
06/25/2026
Signed off — Alteration
FILING FOR TEMPORARY SCAFFOLDING.
B01245393-I1
06/18/2026
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
05/18/2026
Objection raised
05/18/2026
Objection resolved — Addressed
05/07/2026
Objection resolved — Addressed
05/04/2026
Objection raised — Cost
04/21/2026
Filed — Alteration
PLUMBING WORK IN CONJUNCTION WITH 322003470
B01161897-P1
04/14/2026
Objection resolved — Addressed
04/14/2026
Special inspection requirement — HVAC-R and service water heating equipment
FAHAD FATEH
04/14/2026
Special inspection requirement — Final
FAHAD FATEH
04/14/2026
Special inspection requirement — HVAC-R and service water heating system controls
FAHAD FATEH
04/14/2026
Special inspection requirement — Duct leakage testing, insulation and design
FAHAD FATEH
04/14/2026
Special inspection requirement — Energy Code Compliance Inspections
FAHAD FATEH
04/14/2026
Special inspection requirement — Heating Systems
FAHAD FATEH
04/14/2026
Special inspection requirement — Maintenance information
FAHAD FATEH
04/14/2026
Special inspection requirement — Shutoff dampers
FAHAD FATEH
04/14/2026
Special inspection requirement — Mechanical Systems
FAHAD FATEH
04/14/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
FAHAD FATEH
04/14/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
FAHAD FATEH
03/26/2026
Objection raised — Cost
03/24/2026
Filed — Alteration
MECHANICAL WORK TO NEW BUILDING IN CONJUNCTION TO 322003470
B01158834-P1
03/23/2026
Permit issued — Mechanical Systems
B01158834-I1-MS
03/23/2026
Special inspection requirement — Heating Systems
FAHAD FATEH
03/23/2026
Special inspection requirement — Energy Code Compliance Inspections
FAHAD FATEH
03/23/2026
Special inspection requirement — Mechanical Systems
FAHAD FATEH
03/23/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
FAHAD FATEH
03/23/2026
Special inspection requirement — Duct leakage testing, insulation and design
FAHAD FATEH
03/23/2026
Special inspection requirement — Shutoff dampers
FAHAD FATEH
03/23/2026
Special inspection requirement — Maintenance information
FAHAD FATEH
03/23/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
FAHAD FATEH
03/23/2026
Special inspection requirement — HVAC-R and service water heating equipment
FAHAD FATEH
03/23/2026
Special inspection requirement — HVAC-R and service water heating system controls
FAHAD FATEH
03/23/2026
Special inspection requirement — Final
FAHAD FATEH
03/11/2026
Permit issued — Sidewalk Shed
B01245351-I1-SH
03/09/2026
Signed off — Alteration
Proposed structural work for a 4-story and mezzanine building with a cellar, comprising 4 dwelling units.
B01123717-S3
03/05/2026
Permit issued — Construction Fence
B00844469-I1-FN
03/05/2026
Permit issued — Supported Scaffold
B01245393-I1-SF
02/04/2026
Signed off — Alteration
Proposed structural work for a 4-story and mezzanine building with a cellar, comprising 4 dwelling units.
B01123717-S1
01/29/2026
Permit issued — Sprinklers
B01168611-I1-EW-SP
01/07/2026
Violation issued (ECB, closed)
Unknown
01/07/2026
Violation issued (ECB, closed)
Construction
01/07/2026
Violation issued (ECB, closed)
Site Safety
12/06/2025
Special inspection requirement — Subgrade Inspections
FAHAD FATEH
12/06/2025
Special inspection requirement — Construction Operations Influencing Adjacent Structures
FAHAD FATEH
12/06/2025
Special inspection requirement — Final
FAHAD FATEH
12/06/2025
Special inspection requirement — Footing and Foundation
FAHAD FATEH
12/06/2025
Special inspection requirement — Structural Steel - High Strength Bolting
FAHAD FATEH
12/06/2025
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
FAHAD FATEH
12/06/2025
Special inspection requirement — Structural Steel - Welding
FAHAD FATEH
12/06/2025
Special inspection requirement — Concrete - Cast-In-Place
FAHAD FATEH
11/25/2025
Objection resolved — Addressed
11/25/2025
Objection resolved — Addressed
11/25/2025
Objection resolved — Addressed
11/25/2025
Objection resolved — Addressed
Latest 60 of 164 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offUgb Construction03/23/2026
DOB NOWSidewalk ShedSigned-offUgb Construction03/11/2026
DOB NOWConstruction FenceSigned-offUgb Construction03/05/2026
DOB NOWSupported ScaffoldSigned-offUgb Construction03/05/2026
DOB NOWSprinklersSigned-offArco Plumbing and Heating01/29/2026
DOB NOWSupported ScaffoldSigned-offIR Contracting10/21/2025
DOB NOWMechanical SystemsSigned-offIR Contracting10/21/2025
DOB NOWPlumbingSigned-offExpert Plumbing & Heating10/06/2025
DOB NOWFoundationPermit IssuedIR Contracting09/29/2025
DOB NOWSidewalk ShedSigned-offIR Contracting09/29/2025
DOB NOWStructuralPermit IssuedIR Contracting09/29/2025
DOB NOWConstruction FenceSigned-offIR Contracting09/29/2025
DOB NOWStructuralPermit IssuedUgb Construction09/18/2025
DOB NOWFoundationPermit IssuedUgb Construction09/18/2025
DOB NOWMechanical SystemsSigned-offUgb Construction09/18/2025
DOB NOWSupport of ExcavationSigned-offUgb Construction09/18/2025
DOB NOWSidewalk ShedSigned-offUgb Construction09/17/2025
DOB NOWConstruction FenceSigned-offUgb Construction09/17/2025
DOB NOWSupported ScaffoldSigned-offUgb Construction09/17/2025
DOB NOWSupported ScaffoldSigned-offUgb Construction08/19/2025
DOB NOWMechanical SystemsSigned-offUgb Construction08/19/2025
DOB NOWSidewalk ShedSigned-offUgb Construction06/26/2025
DOB NOWFoundationPermit IssuedUgb Construction06/20/2025
DOB NOWStructuralPermit IssuedUgb Construction06/20/2025
DOB NOWFoundationSigned-offUgb Construction06/12/2025
DOB NOWSupport of ExcavationSigned-offUgb Construction01/29/2025
DOB NOWConstruction FenceSigned-offUgb Construction10/29/2024
DOB NOWConstruction FenceSigned-offNYC Special Contractors10/13/2023
DOB NOWConstruction FenceSigned-offNYC Special Contractors03/16/2023
DOB NOWConstruction FenceSigned-offNYC Special Contractors08/16/2022
DOB NOWConstruction FencePermit IssuedNYC Special Contractors07/02/2021
BIS—ISSUEDUgb Construction01/20/2026
BIS—ISSUEDIR Contracting11/07/2025
BIS—ISSUEDIR Contracting10/23/2025
BIS—ISSUEDUgb Construction09/17/2025
BIS—ISSUEDUgb Construction02/28/2025
BIS—ISSUEDUgb Construction01/21/2025
BIS—ISSUEDUgb Construction11/20/2024
BIS—ISSUEDUgb Construction11/14/2024
BIS—ISSUEDUgb Construction09/26/2024
+ 7 more permits on file
1 project · most recent 03/24/2026
Heating and Air Conditioning Systems Heating Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
03/24/2026Signed-offUgb ConstructionHeating and Air Conditioning Systems, Heating Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric MLZ-KP09NA2 12,000 BTU · Fan Coil Indoor ×12
MLZ-KY06NA 7,200 BTU · Fan Coil Indoor ×12
MLZ-KP12NA2 15,400 BTU · Vrf Indoor ×6
MLZ-KP18NA2 20,000 BTU · Fan Coil Indoor ×6
MXZ-SM36NAMZ 42,000 BTU · Heat Pump Outdoor ×4
MXZ-SM48NAMZ 48,000 BTU · Heat Pump Outdoor ×2
MXZ-SM60NAM2 66,000 BTU · Heat Pump Outdoor ×2
Heating
Herschel HC-420-120-US 1,433 BTU ×6
Qmark CSH-07A 4,266 BTU · Baseboard ×6
Ventilation
Whisper Warm FV-11VH1 50 CFM · Exhaust Fan ×20
Zephyr Z5H 80 CFM · Exhaust Fan ×8
1 project · most recent 01/28/2025
FiledStatusContractorScope
01/28/2025Signed-offArco Plumbing and Heating—
1 project · most recent 04/21/2026
Storm Water/Sanitary
FiledStatusContractorScope
04/21/2026Signed-offExpert Plumbing & HeatingStorm, Water/Sanitary
2 projects · most recent 12/18/2025
General Wiring
FiledStatusContractorScope
12/18/2025CompleteExpert Electric Cont NY IGeneral Wiring
10/01/2025CompleteExpert Electric Cont NY I—
1 project · most recent 11/12/2025
Concrete Masonry
FiledStatusContractorScope
11/12/2025Permit IssuedIR ContractingConcrete, Masonry
3 projects · most recent 07/09/2025
Scaffold Sidewalk Shed Fence
FiledStatusContractorScope
07/09/2025Signed-offUgb ConstructionScaffold
06/23/2025Signed-offUgb ConstructionSidewalk Shed
03/15/2023Signed-offUgb ConstructionFence
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
09/02/2026Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
06/18/2026Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
10/16/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
10/16/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 88
DateRequirementInspectorRole
04/14/2026Maintenance informationFAHAD FATEHenergy_progress
04/14/2026Heating SystemsFAHAD FATEHspecial
04/14/2026Fire-Resistant Penetrations and JointsFAHAD FATEHspecial
04/14/2026Mechanical SystemsFAHAD FATEHspecial
04/14/2026Energy Code Compliance InspectionsFAHAD FATEHprogress
04/14/2026FinalFAHAD FATEHprogress
04/14/2026HVAC-R and service water heating equipmentFAHAD FATEHenergy_progress
04/14/2026Duct leakage testing, insulation and designFAHAD FATEHenergy_progress
04/14/2026HVAC-R and service water piping design and insulationFAHAD FATEHenergy_progress
04/14/2026HVAC-R and service water heating system controlsFAHAD FATEHenergy_progress
04/14/2026Shutoff dampersFAHAD FATEHenergy_progress
03/23/2026Shutoff dampersFAHAD FATEHenergy_progress
03/23/2026Maintenance informationFAHAD FATEHenergy_progress
03/23/2026HVAC-R and service water heating system controlsFAHAD FATEHenergy_progress
03/23/2026HVAC-R and service water piping design and insulationFAHAD FATEHenergy_progress
03/23/2026Mechanical SystemsFAHAD FATEHspecial
03/23/2026Heating SystemsFAHAD FATEHspecial
03/23/2026Fire-Resistant Penetrations and JointsFAHAD FATEHspecial
03/23/2026Energy Code Compliance InspectionsFAHAD FATEHprogress
03/23/2026FinalFAHAD FATEHprogress
03/23/2026Duct leakage testing, insulation and designFAHAD FATEHenergy_progress
03/23/2026HVAC-R and service water heating equipmentFAHAD FATEHenergy_progress
12/06/2025Footing and FoundationFAHAD FATEHprogress
12/06/2025Construction Operations Influencing Adjacent StructuresFAHAD FATEHspecial
12/06/2025Subgrade InspectionsFAHAD FATEHspecial
Latest 25 of 88.
▾Documents — 221 on file (BIS + DOB NOW)
▸Plans & Drawings22
▸DOB NOWPlans/Sketch20
08/28/2026B00793353-I1Request digital key ↗
08/27/2026B00844469-I1Request digital key ↗
08/23/2026B01153047-I1Request digital key ↗
Showing 3 of 20 on file for this type
▸DOB NOWPlans/Sketch - Sprinkler1
09/02/2026B00356203-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Mechanical Systems1
09/02/2026B00363680-I1Request digital key ↗
▸Applications & Permits43
▸BISPLAN / WORK APPROVAL APPLICATION25
02/20/2026322003470Open ↗
01/13/2025322003470Open ↗
10/08/2024322003470Open ↗
Showing 3 of 25 on file for this type
▸BISWORK PERMIT APPLICATION17
01/27/2026322003470Open ↗
01/27/2026322003470Open ↗
10/24/2025322003470Open ↗
Showing 3 of 17 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
11/29/2018321845955Open ↗
▸Zoning, Tax Lot & Property Records4
▸BISZONING DIAGRAM4
10/01/2020322003470Open ↗
10/01/2020322003470Open ↗
01/10/2020322003470Open ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications57
▸DOB NOWDPL-1: Design Professional Seal & Signature24
08/28/2026B00793353-I1Open ↗
08/27/2026B00844469-I1Open ↗
08/23/2026B01153047-I1Open ↗
Showing 3 of 24 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature12
09/21/2026B01123717-S2Open ↗
09/15/2026B01123717-S1Open ↗
09/02/2026B01123717-P1Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWProgress Inspector Seal & Signature11
09/21/2026B01123717-S2Open ↗
09/02/2026B01123717-P1Open ↗
09/01/2026B01123717-P5Open ↗
Showing 3 of 11 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION6
11/21/2019322003470Open ↗
03/22/2019321910189Open ↗
03/22/2019321910189Open ↗
Showing 3 of 6 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
10/29/2018321070265Open ↗
10/04/2018321845955Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT2
10/29/2018321070265Open ↗
10/04/2018321845955Open ↗
▸Trade Schedules & Equipment3
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
03/22/2019321910189Open ↗
10/29/2018321070265Open ↗
▸BISSEWER/HOUSE CON SIGNOFF: DEP HC 0211
12/04/2023322106387Open ↗
▸Safety & Tenant Protection4
▸BISSTREET TREE CHECKLIST2
07/18/2020322003470Open ↗
01/07/2020322003470Open ↗
▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1
12/04/2023322106387Open ↗
▸BISANTI-HARASSMENT CHECKLIST1
12/04/2023322106387Open ↗
▸Environmental & Asbestos6
▸BISASBESTOS: CERTIFICATION (DEP ACP5)3
03/22/2019321910189Open ↗
03/22/2019321910189Open ↗
10/04/2018321845955Open ↗
▸BISRODENT CONTROL2
07/01/2024322106387Open ↗
12/04/2023322106387Open ↗
▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)1
12/04/2023322106387Open ↗
▸Energy Compliance5
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY3
04/30/2024322003470Open ↗
07/18/2020321845955Open ↗
07/18/2020322003470Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2
10/29/2018321070265Open ↗
10/04/2018321845955Open ↗
▸Inspections & Test Reports13
▸BISTECHNICAL REPORT: RESPONSIBILITY6
04/30/2024322003470Open ↗
04/30/2024322003470Open ↗
07/18/2020321845955Open ↗
Showing 3 of 6 on file for this type
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER2
07/18/2020322003470Open ↗
12/31/2018321070265Open ↗
▸BISTR3: CONCRETE DESIGN MIX TECHNICAL REPORT1
04/30/2024322003470Open ↗
▸BISTECHNICAL REPORT: SOIL INSPECTION1
07/18/2020322003470Open ↗
▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX1
07/18/2020322003470Open ↗
▸BISTR2: CONCRETE FIELD TESTING TECHNICAL REPORT1
05/01/2024322003470Open ↗
▸BISSOIL REPORT1
07/18/2020322003470Open ↗
▸Approvals, Objections & Sign-offs25
▸BISLETTERS - SUPPORTING DOCUMENTATION11
11/20/2024322003470Open ↗
07/01/2024322106387Open ↗
07/01/2024322106387Open ↗
Showing 3 of 11 on file for this type
▸BISSUPERSEDING LETTER9
02/28/2025322003470Open ↗
02/28/2025322003470Open ↗
01/30/2025322003470Open ↗
Showing 3 of 9 on file for this type
▸BISSCHEDULE A - OCCUPANCY / USE5
10/08/2024322003470Open ↗
09/04/2024322003470Open ↗
06/03/2020322003470Open ↗
Showing 3 of 5 on file for this type
▸Cost, Insurance & Ownership14
▸BISPROJECT-SPECIFIC GL INSURANCE7
01/22/2026322003470Open ↗
01/30/2025322003470Open ↗
11/20/2024322003470Open ↗
Showing 3 of 7 on file for this type
▸BISAcord 25 (Acord Certificate of Liability Insurance)4
01/22/2026322003470Open ↗
11/20/2024322003470Open ↗
07/01/2024322106387Open ↗
Showing 3 of 4 on file for this type
▸BISCOST AFFIDAVIT3
03/22/2019321910189Open ↗
10/29/2018321070265Open ↗
10/04/2018321845955Open ↗
▸Filing & Intake Forms16
▸BISEFILING COVER SHEET6
06/09/2022322106387Open ↗
04/21/2022322106387Open ↗
11/21/2019322003470Open ↗
Showing 3 of 6 on file for this type
▸BISBOROUGH INTAKE FORM6
01/22/2026322003470Open ↗
02/28/2025322003470Open ↗
02/28/2025322003470Open ↗
Showing 3 of 6 on file for this type
▸BISADDITIONAL INFORMATION4
01/15/2025322003470Open ↗
07/01/2024322106387Open ↗
05/06/2024322003470Open ↗
Showing 3 of 4 on file for this type
▸Other Documents9
▸BISPLOT DIAGRAM5
07/18/2020321845955Open ↗
11/21/2019322003470Open ↗
03/22/2019321910189Open ↗
Showing 3 of 5 on file for this type
▸BISSUSTAINABLE ROOF ZONE FORM1
06/03/2020322003470Open ↗
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
12/04/2023322106387Open ↗
▸BISPROTECTION OF EXPOSED FOUNDATION INSULATION1
04/30/2024322003470Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B01123717-S1Open ↗