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Office with apartments (no commercial)
The Pierre House
503 4TH AVENUE · Name © OpenStreetMap contributors · Park Slope · BIN 3023191
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1920Year Built
3Stories
O8Building Class
C4-4DZoning
3,750 sfGross Floor Area
2Units
0 Active ViolationsFDNY Report ↗
Office with apartments (no commercial) · Owner of record: PS4 Residence · 1,250 sf lot · 3 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentLandscapeCivilGeneralOther
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
RoofVertical enlargement to existing building34p · 2 filings · 20 docs
PenthouseVertical enlargement to existing building62p · 2 filings · 20 docs
Floor 4Vertical enlargement to existing building63p · 2 filings · 20 docs
Floor 3Vertical enlargement to existing building63p · 2 filings · 20 docs
Floor 2Vertical enlargement to existing building65p · 2 filings · 20 docs
Floor 1Vertical enlargement to existing building84p · 2 filings · 20 docs
MezzanineVertical enlargement to existing building42p · 1 filing · 20 docs
CellarVertical enlargement to existing building63p · 2 filings · 20 docs
Site & exteriorVertical enlargement to existing building87p · 3 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
503 4th Ave103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/09/2024$2.0M—4TH AVENUE REALTY LLC → PS4 RESIDENCE LLC$533/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Chun Engineering Consultant2008/14/2026
Mohammad Ahead, PE109/15/2025
Ashraf202/27/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Express Filing3403/21/2026
ZV Drafting103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Builders Group USAGeneral Contractor807/08/2026
Builders Group USAScaffold404/09/2026
Dynamix Scaffold GroupScaffold307/08/2026
Ness Mechanical P & HPlumbing207/08/2026
Fried Electric CoElectrical103/22/2026
Quality PipingFire Protection107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HRF Services56161708/14/2026
Shahrish Shuvo Engineering8524102/17/2025
Building Lifecycle
All (157)Filed (23)Permit Issued (16)Signed Off (10)Violation (7)Inspection (5)Objection (66)Special Inspection (30)
09/02/2026
Objection raised — Other
09/02/2026
Objection raised — Other
09/02/2026
Objection raised — Other
08/14/2026
Filed — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-A4
08/14/2026
Special inspection requirement — Lighting controls
FAHAD FATEH
08/14/2026
Special inspection requirement — Energy Code Compliance Inspections
FAHAD FATEH
08/14/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
FAHAD FATEH
08/14/2026
Special inspection requirement — Fenestration air leakage
FAHAD FATEH
08/14/2026
Special inspection requirement — Lighting in dwelling units
FAHAD FATEH
08/14/2026
Special inspection requirement — Fire-Resistance Rated Construction
FAHAD FATEH
08/14/2026
Special inspection requirement — Post-installed Anchors
FAHAD FATEH
08/14/2026
Special inspection requirement — Metering
FAHAD FATEH
08/14/2026
Special inspection requirement — Air barrier - visual inspection
FAHAD FATEH
08/14/2026
Special inspection requirement — Exterior lighting power
FAHAD FATEH
08/14/2026
Special inspection requirement — Interior lighting power
FAHAD FATEH
08/14/2026
Special inspection requirement — Insulation placement and R values
FAHAD FATEH
08/14/2026
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
FAHAD FATEH
08/14/2026
Special inspection requirement — Fenestration areas
FAHAD FATEH
08/14/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
FAHAD FATEH
08/14/2026
Special inspection requirement — Masonry
FAHAD FATEH
08/14/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
FAHAD FATEH
04/30/2026
Signed off — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-S7
04/13/2026
Signed off — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-S6
04/13/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
04/09/2026
Special inspection requirement — Energy Code Compliance Inspections
FAHAD FATEH
04/09/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
FAHAD FATEH
04/09/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
FAHAD FATEH
03/30/2026
Filed — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-A3
03/24/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
FAHAD FATEH
03/24/2026
Special inspection requirement — Energy Code Compliance Inspections
FAHAD FATEH
03/24/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
FAHAD FATEH
03/12/2026
Signed off — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-S1
03/12/2026
Signed off — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-S3
03/03/2026
Violation issued (ECB, closed)
Construction
02/23/2026
Signed off — Alteration
INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS, IN COMPLAINCE WITH CHAPTER 33 OF NYC BC, NO CHANGE IN USE, EGRESS OR OCCUPANCY
B01152984-I1
02/23/2026
Permit issued — Plumbing
B01036514-S7-PL
02/20/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
FAHAD FATEH
02/20/2026
Special inspection requirement — Shutoff dampers
FAHAD FATEH
02/20/2026
Special inspection requirement — HVAC-R and service water heating system controls
FAHAD FATEH
02/20/2026
Special inspection requirement — Duct leakage testing, insulation and design
FAHAD FATEH
02/20/2026
Special inspection requirement — Maintenance information
FAHAD FATEH
02/20/2026
Special inspection requirement — Ventilation and air distribution system
FAHAD FATEH
02/20/2026
Special inspection requirement — HVAC-R and service water heating equipment
FAHAD FATEH
02/12/2026
Signed off — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-S8
02/11/2026
Signed off — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-S2
02/06/2026
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
02/06/2026
Objection resolved — Addressed
01/29/2026
Signed off — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-S5
01/21/2026
Objection resolved — Addressed
01/19/2026
Objection resolved — Addressed
01/16/2026
Objection raised — Admin
01/12/2026
Objection raised — Energy
01/08/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
01/06/2026
Signed off — Alteration
INSTALL OF PIPE SCAFFOLD AS PER PLANS IN COMPLIANCE WITH CHAPTER 33 OF NYCBC. NO HCANGE IN USE, EGRESS, OR OCCUPANCY UNDER THIS APPLICATION
B01187516-I1
01/06/2026
Permit issued — Structural
B01036514-S3-ST
01/02/2026
Filed — Alteration CO
(please assign to Chole Gray as she was original examiner on this job) PLUMBING SPECIFICATIONS FILED IN CONJUNCTION WITH GC APPLICATION B01036514-I1
B01036514-A2
12/30/2025
Signed off — Alteration
PARTIAL STRUCTURAL DEMOLITION FILING. NO CHANGE IN USE, EXITS OROCCUPANCY.
B01178997-I1
12/29/2025
Permit issued — General Construction
B01036514-I1-GC
12/23/2025
Permit issued — Sidewalk Shed
B01152984-I1-SH
12/19/2025
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
Latest 60 of 157 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offNess Mechanical P & H02/23/2026
DOB NOWStructuralSigned-offBuilders Group USA01/06/2026
DOB NOWGeneral ConstructionPermit IssuedBuilders Group USA12/29/2025
DOB NOWSidewalk ShedSigned-offDynamix Scaffold Group12/23/2025
DOB NOWConstruction FenceSigned-offBuilders Group USA11/17/2025
DOB NOWSupported ScaffoldSigned-offBuilders Group USA10/23/2025
DOB NOWStructuralSigned-offBuilders Group USA06/30/2025
DOB NOWSupported ScaffoldSigned-offDynamix Scaffold Group02/28/2025
DOB NOWSprinklersSigned-offQuality Piping02/24/2025
DOB NOWPlumbingSigned-offNess Mechanical P & H02/24/2025
DOB NOWFoundationSigned-offBuilders Group USA01/13/2025
DOB NOWStructuralSigned-offBuilders Group USA01/02/2025
DOB NOWGeneral ConstructionPermit IssuedBuilders Group USA12/31/2024
DOB NOWMechanical SystemsSigned-offBuilders Group USA12/26/2024
DOB NOWSidewalk ShedSigned-offDynamix Scaffold Group12/17/2024
DOB NOWConstruction FenceSigned-offBuilders Group USA11/14/2024
BIS—ISSUEDOwner09/20/2004
1 project · most recent 08/14/2026
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
08/14/2026Signed-offBuilders Group USAHeating and Air Conditioning Systems
Heat / Cool
Mitsubishi Electric 3MXM24AVJU9 24,000 BTU · Condensing Unit ×20
1 project · most recent 08/14/2026
Sprinkler System
FiledStatusContractorScope
08/14/2026Signed-offQuality PipingSprinkler System
1 project · most recent 08/14/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
08/14/2026Signed-offQuality PipingGas, Storm, Water/Sanitary
2 projects · most recent 02/11/2026
General Wiring
FiledStatusContractorScope
02/11/2026CompleteFried Electric CoGeneral Wiring
02/18/2025CompleteHigh Quality Electric of—
1 project · most recent 08/14/2026
Steel
FiledStatusContractorScope
08/14/2026Signed-offQuality PipingSteel
1 project · most recent 08/14/2026
Fence Scaffold
FiledStatusContractorScope
08/14/2026Signed-offQuality PipingFence, Scaffold
1 project · most recent 08/14/2026
Supported Scaffold
FiledStatusContractorScope
08/14/2026Signed-offQuality PipingSupported Scaffold
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
04/13/2026Pass-Final CND-Occupancy InspectionPassView ↗
02/06/2026Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
01/08/2026Pass-Final CND-Occupancy InspectionPassView ↗
12/19/2025Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
07/17/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 150
DateRequirementInspectorRole
08/14/2026Interior lighting powerFAHAD FATEHenergy_progress
08/14/2026MeteringFAHAD FATEHenergy_progress
08/14/2026Fenestration air leakageFAHAD FATEHenergy_progress
08/14/2026Exterior lighting powerFAHAD FATEHenergy_progress
08/14/2026Fenestration areasFAHAD FATEHenergy_progress
08/14/2026Air barrier - visual inspectionFAHAD FATEHenergy_progress
08/14/2026Fenestration and door U-factor and product ratingsFAHAD FATEHenergy_progress
08/14/2026Insulation placement and R valuesFAHAD FATEHenergy_progress
08/14/2026Lighting controlsFAHAD FATEHenergy_progress
08/14/2026Lighting in dwelling unitsFAHAD FATEHenergy_progress
08/14/2026Exterior Insulation and Finish Systems (EIFS)FAHAD FATEHspecial
08/14/2026Fire-Resistance Rated ConstructionFAHAD FATEHprogress
08/14/2026Energy Code Compliance InspectionsFAHAD FATEHprogress
08/14/2026Structural Stability – Alterations of existing buildingsFAHAD FATEHspecial
08/14/2026Post-installed AnchorsFAHAD FATEHspecial
08/14/2026MasonryFAHAD FATEHspecial
08/14/2026Fire-Resistant Penetrations and JointsFAHAD FATEHspecial
04/09/2026Fire-Resistant Penetrations and JointsFAHAD FATEHspecial
04/09/2026HVAC-R and service water piping design and insulationFAHAD FATEHenergy_progress
04/09/2026Energy Code Compliance InspectionsFAHAD FATEHprogress
03/24/2026Fire-Resistant Penetrations and JointsFAHAD FATEHspecial
03/24/2026HVAC-R and service water piping design and insulationFAHAD FATEHenergy_progress
03/24/2026Energy Code Compliance InspectionsFAHAD FATEHprogress
02/20/2026HVAC-R and service water heating system controlsFAHAD FATEHenergy_progress
02/20/2026Mechanical SystemsFAHAD FATEHspecial
Latest 25 of 150.
▾Documents — 155 on file (BIS + DOB NOW)
▸Plans & Drawings23
▸DOB NOWPlans/Sketch23
08/23/2026B01152984-I1Request digital key ↗
08/23/2026B01036514-P4Request digital key ↗
08/23/2026B01036514-A4Request digital key ↗
Showing 3 of 23 on file for this type
▸Zoning, Tax Lot & Property Records7
▸DOB NOWZD1: DOB Zoning Diagram6
08/23/2026B01036514-A4Open ↗
08/13/2026B01036514-P7Open ↗
08/13/2026B01036514-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B01036514-I1Open ↗
▸Seals & Professional Certifications68
▸DOB NOWDPL-1: Design Professional Seal & Signature23
08/23/2026B01152984-I1Open ↗
08/23/2026B01036514-A4Open ↗
08/23/2026B01036514-A3Open ↗
Showing 3 of 23 on file for this type
▸DOB NOWProgress Inspector Seal & Signature23
09/01/2026B01036514-S3Open ↗
08/31/2026B01036514-I1Open ↗
08/31/2026B01036514-I1Open ↗
Showing 3 of 23 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature22
09/01/2026B01036514-S6Open ↗
09/01/2026B01036514-S3Open ↗
08/31/2026B01036514-I1Open ↗
Showing 3 of 22 on file for this type
▸Safety & Tenant Protection9
▸DOB NOWStreet Tree Checklist6
08/23/2026B01036514-A4Open ↗
08/13/2026B01036514-I1Open ↗
08/13/2026B01036514-P1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWStreet Tree Sign Off1
08/15/2026B01036514-I1Open ↗
▸DOB NOWStreet Trees Site Plan1
08/15/2026B01036514-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B01036514-I1Open ↗
▸Environmental & Asbestos20
▸DOB NOWDEP ACP-5: Asbestos Assessment Report20
08/23/2026B01036514-A4Open ↗
08/23/2026B01036514-A3Open ↗
08/22/2026B01178997-I1Open ↗
Showing 3 of 20 on file for this type
▸Other Documents28
▸DOB NOWPlot Diagram8
08/23/2026B01036514-A4Open ↗
08/13/2026B01036514-I1Open ↗
08/13/2026B01036514-P1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone6
08/23/2026B01036514-A4Open ↗
08/13/2026B01036514-I1Open ↗
08/13/2026B01036514-P7Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSite Survey: Initial6
08/23/2026B01036514-A4Open ↗
08/13/2026B01036514-P7Open ↗
08/13/2026B01036514-P3Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWProperty Ownership Certification6
08/23/2026B01036514-A4Open ↗
08/13/2026B01036514-P3Open ↗
08/13/2026B01036514-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWAdjoining Owners Notification1
08/13/2026B01036514-S5Open ↗
▸DOB NOWPARTIAL DEMO: 10-DAY Notice1
08/13/2026B01036514-S3Open ↗