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BuildNYC
Office with apartments (no commercial)
447 WEST 36TH STREET
MANHATTAN · BIN 1012886
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1910Year Built
6Stories
O8Building Class
R8AZoning
13,950 sfGross Floor Area
7Units
0 Active Violations
Office with apartments (no commercial) · Owner of record: Samson Holdings · 2,468 sf lot · 5.65 FAR built · Flood zone X
Locations of Work
MechanicalPlumbing
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
RoofSamson Holdings LLC7p · 2 filings · 20 docs
Floor 6Samson Holdings LLC7p · 2 filings · 20 docs
Floor 5Samson Holdings LLC7p · 2 filings · 20 docs
Floor 4Samson Holdings LLC7p · 2 filings · 20 docs
Floor 3Samson Holdings LLC7p · 2 filings · 20 docs
Floor 2Samson Holdings LLC7p · 2 filings · 20 docs
Floor 1Samson Holdings LLC7p · 2 filings · 20 docs
MezzanineSamson Holdings LLC7p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Samson Holdings1203/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Andrew Katz Engineers308/11/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
East Coast Expediting603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
David Turner ArchitectGeneral Contractor203/21/2026
Accurate MechanicalPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
David Katz, P.E6087111/11/2020
Building Lifecycle
All (33)Filed (3)Permit Issued (2)Signed Off (2)Violation (17)Special Inspection (9)
11/18/2021
Signed off — Alteration
INSTALLATION OF NEW VRF SPLIT PUMP SYSTEM, FOR EXISTING BUILDING.
M00413875-I1
11/04/2021
Permit issued — Mechanical Systems
M00413875-I1-MS
08/12/2021
Special inspection requirement — Mechanical Systems
David Katz
08/12/2021
Special inspection requirement — Final
David Katz
08/12/2021
Special inspection requirement — HVAC and service water heating equipment
David Katz
08/12/2021
Special inspection requirement — HVAC and service water heating system controls
David Katz
08/11/2021
Filed — Alteration
INSTALLATION OF NEW VRF SPLIT PUMP SYSTEM, FOR EXISTING BUILDING.
M00413875-P1
07/08/2021
Special inspection requirement — Mechanical Systems
07/08/2021
Special inspection requirement — Final
07/08/2021
Special inspection requirement — HVAC and service water heating equipment
David Katz
07/08/2021
Special inspection requirement — HVAC and service water heating system controls
David Katz
04/22/2021
Signed off — Alteration
CAP AND REMOVE EXISITING GAS SERVICE AT MAIN, REMOVE METER, ALL GAS PIPING RISER AND EQUIPMENT. BUILDING TO BE HEATED THRU ELECTRIC HEAT FILED UNDER MH APPLICATION
M00413867-I1
11/19/2020
Permit issued — Plumbing
M00413867-I1-PL
11/11/2020
Filed — Alteration
INSTALLATION OF NEW VRF SPLIT PUMP SYSTEM, FOR EXISTING BUILDING.
M00413875-I1
11/11/2020
Filed — Alteration
CAP AND REMOVE EXISITING GAS SERVICE AT MAIN, REMOVE METER, ALL GAS PIPING RISER AND EQUIPMENT. BUILDING TO BE HEATED THRU ELECTRIC HEAT FILED UNDER MH APPLICATION
M00413867-I1
10/30/2020
Violation issued (ECB, closed)
Construction
10/15/2020
Special inspection requirement — Energy Code Compliance Inspections
David Katz
09/02/2020
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/28/2020
Violation issued (ECB, closed)
Construction
01/29/2019
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
01/23/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
12/18/2017
Violation issued (ECB, closed)
Construction
03/31/2014
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/22/2013
Violation issued (ECB, closed)
Elevators
04/15/2010
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
05/08/2008
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/03/2007
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
09/15/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
08/04/2004
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
02/19/2002
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/23/2002
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
01/30/2001
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
10/15/1997
Violation issued (ECB, closed)
Elevators
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offDavid Turner Architect11/04/2021
DOB NOWPlumbingSigned-offAnthony Disabato11/19/2020
1 project · most recent 09/13/2020
General Wiring
FiledStatusContractorScope
09/13/2020CompleteHigh Impact ElectricGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 9
DateRequirementInspectorRole
08/12/2021Mechanical SystemsDavid Katzspecial
08/12/2021FinalDavid Katzprogress
08/12/2021HVAC and service water heating equipment David Katzenergy_progress
08/12/2021HVAC and service water heating system controls David Katzenergy_progress
07/08/2021Mechanical Systems—special
07/08/2021Final—progress
07/08/2021HVAC and service water heating equipment David Katzenergy_progress
07/08/2021HVAC and service water heating system controls David Katzenergy_progress
10/15/2020Energy Code Compliance InspectionsDavid Katzprogress
▾Documents — 21 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch - Mechanical Systems2
09/04/2026M00413875-I1Request digital key ↗
08/15/2026M00413875-P1Request digital key ↗
▸DOB NOWPlans/Sketch - Plumbing1
09/04/2026M00413867-I1Request digital key ↗
▸Seals & Professional Certifications10
▸DOB NOWProgress Inspector Seal & Signature6
08/31/2026M00413875-I1Open ↗
08/31/2026M00413875-I1Open ↗
08/31/2026M00413875-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
09/04/2026M00413867-I1Open ↗
08/13/2026M00413875-I1Open ↗
08/13/2026M00413875-P1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/31/2026M00413875-I1Open ↗
▸Safety & Tenant Protection3
▸DOB NOWHPD-1: Anti-Harassment Area Checklist3
09/04/2026M00413867-I1Open ↗
08/13/2026M00413875-I1Open ↗
08/13/2026M00413875-P1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
09/04/2026M00413867-I1Open ↗
08/13/2026M00413875-P1Open ↗
08/13/2026M00413875-I1Open ↗
▸DOB NOWOER: Notice of Satisfaction1
09/04/2026M00413867-I1Open ↗
▸DOB NOWOER: Notice to Proceed1
09/04/2026M00413867-I1Open ↗