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Four families
634 WEST END AVENUE
MANHATTAN · Upper West Side (Central) · BIN 1033579
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1897Year Built
4Stories
C3Building Class
R10AZoning
4,408 sfGross Floor Area
4Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Four families · Owner of record: SABSAM, LLC · 1,900 sf lot · 2.32 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbingGeneral
Roof29p · 1 filing · 20 docs
Floor 431p · 1 filing · 20 docs
Floor 330p · 1 filing · 20 docs
Floor 231p · 1 filing · 20 docs
Floor 130p · 1 filing · 20 docs
Cellar30p · 1 filing · 20 docs
Basement30p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
SABSAM4207/08/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NEVILLE ENGINEERING GROUP905/21/2025
TSF ENGINEERING, PC311/15/2023
ANTHONY GENNARO, PE212/13/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SCARANO ARCHITECT2803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ON POINT AND ON TARGETGeneral Contractor507/08/2026
COMPLEX DEVELOPMENT INCGeneral Contractor407/08/2026
IPS PLUMBING CORPPlumbing107/08/2026
JOE PARZIALE PLUMBING COPlumbing107/08/2026
MASTER TECH PLUMBING LLCPlumbing107/08/2026
SEASON BUILDERS CORPGeneral Contractor104/09/2026
WCK ELECTRIC CORP.Electrical103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
INTERNATIONAL GEOTEHCNICA1795905/21/2025
Building Lifecycle
All (102)Filed (14)Permit Issued (9)Signed Off (4)Violation (6)Inspection (5)Objection (34)Special Inspection (30)
07/30/2026
Signed off — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-I1
04/29/2026
Violation issued (HPD, closed)
A
09/04/2025
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
09/02/2025
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
06/04/2025
Violation issued (HPD, closed)
A
05/21/2025
Filed — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-A2
05/13/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Energy Code Compliance Inspections
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Fire-Resistance Rated Construction
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Insulation placement and R values
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Fenestration air leakage
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Lighting in dwelling units
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — HVAC-R and service water heating equipment
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Metering
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — Fenestration areas
MICHAEL KARANTINIDIS, P.E.
05/13/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
MICHAEL KARANTINIDIS, P.E.
03/24/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
03/05/2025
Permit issued — General Construction
M00711378-I1-GC
02/27/2025
Objection raised — Energy
02/27/2025
Objection resolved — Addressed
02/05/2025
Objection resolved — Addressed
12/15/2024
Signed off — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-S3
12/06/2024
Objection resolved — Addressed
12/06/2024
Objection resolved — Addressed
11/11/2024
Objection resolved — Addressed
11/07/2024
Objection raised — Inspections
11/07/2024
Objection raised — Inspections
11/07/2024
Objection raised — Admin
11/07/2024
Objection raised — Scope
11/04/2024
Signed off — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-S2
10/29/2024
Filed — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-A1
10/18/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/02/2024
Violation issued (HPD, closed)
A
01/24/2024
Permit issued — General Construction
M00711378-I1-GC
12/21/2023
Permit issued — Plumbing
M00711378-S2-PL
12/18/2023
Signed off — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-S1
12/14/2023
Permit issued — General Construction
M00711378-I1-GC
11/15/2023
Filed — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-P7
11/14/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
MICHAEL KARANTINIDIS, P.E.
11/14/2023
Special inspection requirement — Energy Code Compliance Inspections
MICHAEL KARANTINIDIS, P.E.
11/13/2023
Filed — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-P9
11/09/2023
Filed — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-P8
09/26/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
MICHAEL KARANTINIDIS, P.E.
09/26/2023
Special inspection requirement — Energy Code Compliance Inspections
MICHAEL KARANTINIDIS, P.E.
09/26/2023
Special inspection requirement — Fire-Resistance Rated Construction
MICHAEL KARANTINIDIS, P.E.
09/26/2023
Special inspection requirement — Lighting in dwelling units
MICHAEL KARANTINIDIS, P.E.
09/26/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
MICHAEL KARANTINIDIS, P.E.
09/26/2023
Special inspection requirement — HVAC-R and service water heating equipment
MICHAEL KARANTINIDIS, P.E.
09/26/2023
Special inspection requirement — Energy Code Compliance Inspections
MICHAEL KARANTINIDIS, P.E.
09/26/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
MICHAEL KARANTINIDIS, P.E.
05/03/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/14/2023
Filed — Alteration CO
Proposed alteration to existing 2nd and 3rd floor to create a new duplex apartment and change the lower apartment from triplex to duplex apartment. Minor structural, mechanical & plumbing work. No work on 4th floor.
M00711378-P6
04/05/2023
Special inspection requirement — Mechanical Systems
MICHAEL KARANTINIDIS, P.E.
04/05/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
MICHAEL KARANTINIDIS, P.E.
04/05/2023
Special inspection requirement — Final
MICHAEL KARANTINIDIS, P.E.
04/05/2023
Special inspection requirement — HVAC-R and service water heating system controls
MICHAEL KARANTINIDIS, P.E.
04/05/2023
Special inspection requirement — HVAC-R and service water heating equipment
MICHAEL KARANTINIDIS, P.E.
04/05/2023
Special inspection requirement — Maintenance information
MICHAEL KARANTINIDIS, P.E.
04/05/2023
Special inspection requirement — Energy Code Compliance Inspections
MICHAEL KARANTINIDIS, P.E.
Latest 60 of 102 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedSEASON BUILDERS CORP03/05/2025
DOB NOWGeneral ConstructionPermit IssuedCOMPLEX DEVELOPMENT INC01/24/2024
DOB NOWPlumbingSigned-offIPS PLUMBING CORP12/21/2023
DOB NOWGeneral ConstructionPermit IssuedCOMPLEX DEVELOPMENT INC12/14/2023
DOB NOWPlumbingSigned-offMASTER TECH PLUMBING LLC03/14/2023
DOB NOWGeneral ConstructionPermit IssuedON POINT AND ON TARGET02/24/2023
DOB NOWMechanical SystemsSigned-offON POINT AND ON TARGET02/16/2023
DOB NOWStructuralSigned-offON POINT AND ON TARGET02/16/2023
DOB NOWPlumbingSigned-offJOE PARZIALE PLUMBING CO11/09/2022
BISPLISSUEDJOE PARZIALE PLUMBING CO12/14/2022
BISEQISSUEDPERIMETER BRIDGE& SCAFFOLD03/29/2006
BISPLISSUEDPLBG P & H INC05/12/1997
BIS—ISSUEDMATERA CONSTRUCTION CO INC02/26/1997
BISPLISSUEDAGIUS PLUMBING & HTG INC05/15/1996
BISMHISSUEDMATERA CONSTRUCTION CO. INC.01/10/1996
BISOTISSUEDMATERA CONSTRUCTION CO. INC.01/10/1996
BISOTISSUEDMATERA CONSTRUCTION CO. INC.01/10/1996
1 project · most recent 05/21/2025
Air Conditioning Systems Heating Systems
FiledStatusContractorScopeMake / Model / Capacity
05/21/2025Permit IssuedSEASON BUILDERS CORPAir Conditioning Systems, Heating Systems
Cooling
Mitsubishi Electric MXZ-SM36NAM 36,000 BTU · Condensing Unit ×8
SUZ-KA12NA2 12,000 BTU · Condensing Unit ×2
SUZ-KA18NA2 17,200 BTU · Condensing Unit ×2
Daikin RXSQ24TAVJU 24,000 BTU · Vrf Outdoor ×3
RXTQ36TAVJU 34,200 BTU · Vrf Outdoor ×3
Heating
Mitsubishi Electric MXZ-SM36NAM 42,000 BTU · Condensing Unit ×8
SUZ-KA12NA2 13,000 BTU · Condensing Unit ×2
SUZ-KA18NA2 21,600 BTU · Condensing Unit ×2
RXTQ36TAVJU 37,000 BTU · Vrf Outdoor ×3
Daikin RXSQ24TAVJU 2,700 BTU · Vrf Outdoor ×3
1 project · most recent 05/21/2025
Gas Water/Sanitary
FiledStatusContractorScope
05/21/2025Signed-offIPS PLUMBING CORPGas, Water/Sanitary
4 projects · most recent 05/14/2026
General Wiring
FiledStatusContractorScope
05/14/2026CompleteMATTISON ELECTRIC, INCGeneral Wiring
03/02/2025CompleteMATTISON ELECTRIC, INC4 meters
07/24/2024CompleteWCK ELECTRIC CORP.4 meters
03/01/2023CompleteSPICE ELECTRIC COMPANY4 meters
1 project · most recent 05/21/2025
FiledStatusContractorScope
05/21/2025Permit IssuedSEASON BUILDERS CORP2 scope_items
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
09/04/2025Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
09/02/2025Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
03/24/2025Pass-Final CND-Occupancy InspectionPassView ↗
10/18/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
05/03/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 45
DateRequirementInspectorRole
05/13/2025Fire-Resistant Penetrations and JointsMICHAEL KARANTINIDIS, P.E.special
05/13/2025Energy Code Compliance InspectionsMICHAEL KARANTINIDIS, P.E.progress
05/13/2025Fire-Resistance Rated ConstructionMICHAEL KARANTINIDIS, P.E.progress
05/13/2025Insulation placement and R valuesMICHAEL KARANTINIDIS, P.E.energy_progress
05/13/2025Fenestration air leakageMICHAEL KARANTINIDIS, P.E.energy_progress
05/13/2025Lighting in dwelling unitsMICHAEL KARANTINIDIS, P.E.energy_progress
05/13/2025HVAC-R and service water heating equipmentMICHAEL KARANTINIDIS, P.E.energy_progress
05/13/2025Fenestration and door U-factor and product ratingsMICHAEL KARANTINIDIS, P.E.energy_progress
05/13/2025MeteringMICHAEL KARANTINIDIS, P.E.energy_progress
05/13/2025Fenestration areasMICHAEL KARANTINIDIS, P.E.energy_progress
05/13/2025HVAC-R and service water piping design and insulationMICHAEL KARANTINIDIS, P.E.energy_progress
11/14/2023HVAC-R and service water piping design and insulationMICHAEL KARANTINIDIS, P.E.energy_progress
11/14/2023Energy Code Compliance InspectionsMICHAEL KARANTINIDIS, P.E.progress
09/26/2023Fire-Resistant Penetrations and JointsMICHAEL KARANTINIDIS, P.E.special
09/26/2023Energy Code Compliance InspectionsMICHAEL KARANTINIDIS, P.E.progress
09/26/2023Fire-Resistance Rated ConstructionMICHAEL KARANTINIDIS, P.E.progress
09/26/2023Lighting in dwelling unitsMICHAEL KARANTINIDIS, P.E.energy_progress
09/26/2023HVAC-R and service water piping design and insulationMICHAEL KARANTINIDIS, P.E.energy_progress
09/26/2023HVAC-R and service water heating equipmentMICHAEL KARANTINIDIS, P.E.energy_progress
09/26/2023Energy Code Compliance InspectionsMICHAEL KARANTINIDIS, P.E.progress
09/26/2023HVAC-R and service water piping design and insulationMICHAEL KARANTINIDIS, P.E.energy_progress
04/05/2023Mechanical SystemsMICHAEL KARANTINIDIS, P.E.special
04/05/2023HVAC-R and service water piping design and insulationMICHAEL KARANTINIDIS, P.E.energy_progress
04/05/2023FinalMICHAEL KARANTINIDIS, P.E.progress
04/05/2023HVAC-R and service water heating system controlsMICHAEL KARANTINIDIS, P.E.energy_progress
Latest 25 of 45.
▾Documents — 162 on file (BIS + DOB NOW)
▸Plans & Drawings14
▸DOB NOWPlans/Sketch14
09/01/2026M00711378-S3Request digital key ↗
09/01/2026M00711378-P7Request digital key ↗
09/01/2026M00711378-P6Request digital key ↗
Showing 3 of 14 on file for this type
▸Applications & Permits27
▸DOB NOWLPC Approval/Permit14
08/13/2026M00711378-P1Open ↗
08/13/2026M00711378-A1Open ↗
08/13/2026M00711378-A2Open ↗
Showing 3 of 14 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION11
03/20/2023101157819Open ↗
02/21/2023101157819Open ↗
11/09/2022101157819Open ↗
Showing 3 of 11 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
08/30/2022104386095Open ↗
▸BISWORK PERMIT APPLICATION1
12/15/2022101157819Open ↗
▸Zoning, Tax Lot & Property Records6
▸DOB NOWZoning Exhibit form (1-5)5
08/13/2026M00711378-A1Open ↗
08/13/2026M00711378-I1Open ↗
08/13/2026M00711378-A2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026M00711378-I1Open ↗
▸Seals & Professional Certifications56
▸DOB NOWProgress Inspector Seal & Signature36
09/19/2026M00711378-P1Open ↗
09/19/2026M00711378-P1Open ↗
09/01/2026M00711378-P7Open ↗
Showing 3 of 36 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature14
09/01/2026M00711378-S1Open ↗
09/01/2026M00711378-I1Open ↗
09/01/2026M00711378-P6Open ↗
Showing 3 of 14 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/01/2026M00711378-P7Open ↗
08/27/2026M00711378-A2Open ↗
08/25/2026M00711378-P8Open ↗
Showing 3 of 6 on file for this type
▸Trade Schedules & Equipment6
▸BISSCHEDULE B - PLUMBING6
03/20/2023101157819Open ↗
02/21/2023101157819Open ↗
11/09/2022101157819Open ↗
Showing 3 of 6 on file for this type
▸Safety & Tenant Protection6
▸DOB NOWStreet Tree Checklist5
08/13/2026M00711378-A1Open ↗
08/13/2026M00711378-P8Open ↗
08/13/2026M00711378-P2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWStreet Tree Sign Off1
08/13/2026M00711378-I1Open ↗
▸Environmental & Asbestos14
▸DOB NOWDEP ACP-5: Asbestos Assessment Report14
09/01/2026M00711378-S2Open ↗
09/01/2026M00711378-P6Open ↗
09/01/2026M00711378-P5Open ↗
Showing 3 of 14 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis1
08/15/2026M00711378-I1Open ↗
▸Inspections & Test Reports5
▸BISTECHNICAL REPORT: RESPONSIBILITY3
10/13/2022101157819Open ↗
10/13/2022101157819Open ↗
06/22/2022101157819Open ↗
▸BIS* STRUCTURAL STABILITY 1 RCNY:16-011
11/01/2022101157819Open ↗
▸BIS* FINAL INSPECTION DIRECTIVE 14 OF 19751
11/01/2022101157819Open ↗
▸Approvals, Objections & Sign-offs5
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
04/11/2023101157819Open ↗
08/30/2022104386095Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION2
12/15/2022101157819Open ↗
07/21/2022101157819Open ↗
▸BISLANDMARKS SIGNOFF1
07/21/2022101157819Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
04/11/2023101157819Open ↗
04/11/2023101157819Open ↗
▸Filing & Intake Forms5
▸BISADDITIONAL INFORMATION3
03/27/2023101157819Open ↗
12/01/2022101157819Open ↗
07/21/2022101157819Open ↗
▸BISBOROUGH INTAKE FORM2
12/15/2022101157819Open ↗
11/25/2022101157819Open ↗
▸Other Documents15
▸DOB NOWProperty Ownership Certification12
09/01/2026M00711378-P7Open ↗
09/01/2026M00711378-P6Open ↗
09/01/2026M00711378-A2Open ↗
Showing 3 of 12 on file for this type
▸BIS* VENT. SYS.-ENGINEER/INSTALLER 27-136,7791
11/01/2022101157819Open ↗
▸BIS* FIRE STOPS 27-3451
11/01/2022101157819Open ↗
▸DOB NOWFinal Survey1
08/15/2026M00711378-I1Open ↗