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Elevator apt, semi-fireproof without stores
503 WEST 121 STREET
MANHATTAN · Morningside Heights · BIN 1059656
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1910Year Built
6Stories
D1Building Class
R8Zoning
30,498 sfGross Floor Area
30Units
LL97 CoveredRent Stabilized12 Open Violations 10 unresolved · 2 paperwork only ▸FISP: No Report Filed
Elevator apt, semi-fireproof without stores · Owner of record: TRUSTEES OF COLUMBIA UNIVERSITY · 7,194 sf lot · 4.24 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanical
Permit Issued — active, not yet Signed-off
RoofUnder Construction9p · 2 filings · 20 docs
Cellar4p · 1 filing · 6 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
COLUMBIA UNIVERSITY1409/13/2026
PLATINUM SERVICES NY504/09/2026
COLUMBIA RESIDENTIAL303/22/2026
TRUSTEES OF COLUMBIA UNIVERSITY1503/22/2026
CAPTIAL MANAGEMENT103/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MVN ARCHITECT LLC206/17/2026
MSM ENGINEERING SERVICES, PLLC112/02/2024
ENVIRONMENTAL ENGINEERING SOLUTIONS110/04/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SOMMA DESIGN CONSULTING203/21/2026
Enviornmental & Energy Solutions103/21/2026
MUNICIPAL BUILDING CONSULTANTS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAY WATERPROOFING CORPGeneral Contractor307/08/2026
PLATINUM SERVICES NY LLCGeneral Contractor204/09/2026
DUNN, JEREMYElectrical103/21/2026
RICHARD NEUElectrical103/21/2026
ALAFOGIANNIS PLBG & HTGPlumbing107/08/2026
CRUGNALE, MICHAELElectrical103/21/2026
GENET PLBG AND HTG CORPPlumbing103/22/2026
DIFUSCO, ALFONSOElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CROSSCHECK INSPECTION SER544206/17/2026
SITE SAFETY LLC8555206/17/2026
GEORGE J. XERAKIAS, PE1658112/02/2024
NUENERGEN1717110/04/2022
Building Lifecycle
All (73)Filed (5)Permit Issued (7)Signed Off (1)Facade (FISP) (12)Violation (37)Objection (2)Special Inspection (9)
08/04/2026
Cycle 10 facade report submitted
08/03/2026
Cycle 10 facade report signed — SAFE
07/01/2026
Cycle 10 facade inspection completed
06/26/2026
Objection raised — Other
06/26/2026
Objection raised — Other
06/17/2026
Filed — Alteration
Application filed for facade and roof repairs as per drawings filed herewith.
M01117811-P1
06/09/2026
Special inspection requirement — Preliminary
Michael Notaro
06/09/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
EUGENE BIFULCO
06/09/2026
Special inspection requirement — Tenant Protection Plan Compliance
KHALID ALGENDE
06/09/2026
Special inspection requirement — Final
Michael Notaro
06/09/2026
Special inspection requirement — Masonry
EUGENE BIFULCO
06/09/2026
Special inspection requirement — Post-installed Anchors
EUGENE BIFULCO
02/17/2026
Signed off — Alteration
M01148771-I1
12/05/2025
Permit issued — General Construction
M01117811-I1-GC
12/05/2025
Permit issued — Suspended Scaffold
M01143805-I1-SC
12/03/2025
Permit issued — Sidewalk Shed
M01148771-I1-SH
12/12/2024
Permit issued — Suspended Scaffold
M01143805-I1-SC
12/09/2024
Permit issued — General Construction
M01117811-I1-GC
12/02/2024
Filed — Alteration
M01148771-I1
12/02/2024
Filed — Alteration
Installation of outriggers for facade repair & inspection.
M01143805-I1
12/02/2024
Permit issued — Sidewalk Shed
M01148771-I1-SH
12/02/2024
Special inspection requirement — Post-installed Anchors
George Xerakias
12/02/2024
Special inspection requirement — Alternative Materials - OTCR Buildings Bulletin Number
George Xerakias
10/03/2024
Filed — Alteration
Application filed for facade and roof repairs as per drawings filed herewith.
M01117811-I1
04/01/2024
Violation issued (HPD, closed)
A
03/05/2024
Permit issued — Boiler Equipment
M00783270-I1-BE
11/15/2023
Violation issued (HPD, closed)
I
01/10/2023
Violation issued (ECB, open)
Local Law
11/02/2022
Violation issued (HPD, closed)
I
10/04/2022
Filed — Alteration
REGISTRATION AND INSPECTION SIGN-OFF FOR A.O. SMITH HOT WATER BOILER
M00783270-I1
10/04/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Rengasamy Kasinathan
02/22/2022
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/18/2021
Violation issued (ECB, closed)
Elevators
04/02/2021
Violation issued (HPD, closed)
A
11/14/2019
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
08/02/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
05/02/2019
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/18/2017
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
02/17/2017
Cycle 8 facade report submitted
02/17/2017
Cycle 8 facade report signed — SWARMP
02/14/2017
Cycle 8 facade inspection completed
08/29/2016
Violation issued (ECB, open)
Boilers
05/30/2014
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
11/22/2013
Violation issued (HPD, closed)
C
11/22/2013
Violation issued (HPD, open)
B
10/01/2013
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/26/2013
Violation issued (HPD, open)
B
12/18/2012
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
12/13/2011
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
01/21/2011
Violation issued (DOB, closed)
VW*-VIOLATION - WORK W/O PERMIT DISMISSED
11/23/2010
Cycle 7 facade report submitted
11/09/2010
Cycle 7 facade report signed — SWARMP
09/30/2010
Cycle 7 facade inspection completed
04/16/2010
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
12/31/2009
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
01/01/2009
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/13/2008
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
01/03/2008
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/30/2007
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/21/2007
Cycle 6 facade report submitted
Latest 60 of 73 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedKAY WATERPROOFING CORP12/05/2025
DOB NOWSuspended ScaffoldPermit IssuedKAY WATERPROOFING CORP.12/05/2025
DOB NOWSidewalk ShedSigned-offPLATINUM SERVICES NY LLC12/03/2025
DOB NOWSuspended ScaffoldPermit IssuedKAY WATERPROOFING CORP.12/12/2024
DOB NOWGeneral ConstructionPermit IssuedKAY WATERPROOFING CORP12/09/2024
DOB NOWSidewalk ShedSigned-offPLATINUM SERVICES NY LLC12/02/2024
DOB NOWBoiler EquipmentPermit IssuedALAFOGIANNIS PLBG & HTG03/05/2024
BISSPISSUEDCAPITOL FIRE SPRINKLER CO10/03/2022
BISSPISSUEDCAPITOL FIRE SPRINKLER CO09/29/2021
BISSPISSUEDCAPITOL FIRE SPRINKLER CO09/22/2020
BISSPISSUEDCAPITOL FIRE SPRINKLER CO09/23/2019
BISSPISSUEDCAPITOL FIRE SPRINKLER CO09/21/2018
BISPLISSUEDGENET PLBG AND HTG CORP11/29/2017
BISSPISSUEDCAPITOL FIRE SPRINKLER CO09/20/2017
BISOTISSUEDCOLUMBIA UNIVERSITY01/19/2017
BISFBISSUEDPETER AGLIARDO CONTRACTOR02/26/2013
BISPLISSUEDALAFOGIANNIS PLBG & HTG02/26/2013
BISMHISSUEDMARATHON ENERGY CORP12/27/2012
BISOTISSUEDHENRY RESTORATION LTD07/11/2012
BISEQISSUEDSPRING SCAFFOLDING LLC04/04/2012
BISBLISSUEDBRYAN A. ENNIST08/24/2006
BISPLISSUEDCASA MECHANICAL CO. INC08/24/2006
BISOTISSUEDHENRY RESTORATION LTD04/10/2006
BISEQISSUEDOUTDOOR INSTALLATIONS LLC03/20/2006
2 projects · most recent 12/03/2024
Lighting
FiledStatusContractorScope
12/03/2024CompleteRICHARD NEU—
04/05/2024Permit IssuedJSP ELECTL CNTNG CORPLighting
1 project · most recent 12/02/2024
Suspended Scaffold (SC)
FiledStatusContractorScope
12/02/2024Permit IssuedKAY WATERPROOFING CORP.Suspended Scaffold (SC)
▾Special Inspection Requirements (DOB NOW) — 9
DateRequirementInspectorRole
06/09/2026PreliminaryMichael Notaroprogress
06/09/2026Structural Stability – Alterations of existing buildingsEUGENE BIFULCOspecial
06/09/2026Tenant Protection Plan ComplianceKHALID ALGENDEspecial
06/09/2026FinalMichael Notaroprogress
06/09/2026MasonryEUGENE BIFULCOspecial
06/09/2026Post-installed AnchorsEUGENE BIFULCOspecial
12/02/2024Post-installed AnchorsGeorge Xerakiasspecial
12/02/2024Alternative Materials - OTCR Buildings Bulletin NumberGeorge Xerakiasspecial
10/04/2022Fire-Resistant Penetrations and JointsRengasamy Kasinathanspecial
▾Documents — 136 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
09/01/2026M00783270-I1Request digital key ↗
08/26/2026M01117811-I1Request digital key ↗
08/26/2026M01117811-P1Request digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits20
▸BISWORK PERMIT APPLICATION10
11/30/2017122985680Open ↗
09/21/2017123038676Open ↗
01/20/2017122985680Open ↗
Showing 3 of 10 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION10
02/09/2018122985680Open ↗
09/15/2017123038676Open ↗
01/17/2017122985680Open ↗
Showing 3 of 10 on file for this type
▸Seals & Professional Certifications31
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION11
09/15/2017123038676Open ↗
09/15/2017123038676Open ↗
01/17/2017122985680Open ↗
Showing 3 of 11 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST5
09/15/2017123038676Open ↗
01/24/2013121503845Open ↗
12/19/2012121464888Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/23/2026M00783270-I1Open ↗
09/01/2026M01143805-I1Open ↗
09/01/2026M01143805-I1Open ↗
Showing 3 of 5 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM4
01/24/2013121503845Open ↗
12/19/2012121464888Open ↗
04/18/2012121025265Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
09/01/2026M00783270-I1Open ↗
08/26/2026M01117811-P1Open ↗
08/26/2026M01117811-I1Open ↗
Showing 3 of 4 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
09/15/2017123038676Open ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/26/2026M01117811-P1Open ↗
▸Trade Schedules & Equipment12
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE3
02/09/2018122985680Open ↗
09/15/2017123038676Open ↗
01/17/2017122985680Open ↗
▸BISSELF-CERT PLUMBING NOTICE3
04/03/2014121503845Open ↗
06/18/2013121503845Open ↗
05/31/2013121503845Open ↗
▸BISFA - FDNY APPROVAL : FD-FAA2
03/03/2015120633467Open ↗
07/25/2013120633467Open ↗
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT2
03/15/2013121503845Open ↗
01/24/2013121503845Open ↗
▸BISBOILERS - SUPPORTING DOCUMENTATION2
09/23/2014121503845Open ↗
06/18/2013121503845Open ↗
▸Safety & Tenant Protection9
▸BISSRO MD ANTI-HARASSMENT CHECKLIST4
09/21/2017123038676Open ↗
01/17/2017122985680Open ↗
04/25/2012121025265Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWHPD-3: Single Room Occupancy Multiple Dwelling (SRO MD) Anti-Harassment Checklist4
08/26/2026M01117811-P1Open ↗
08/13/2026M01117811-I1Open ↗
08/13/2026M01148771-I1Open ↗
Showing 3 of 4 on file for this type
▸BISTenant Protection Plan and Notes1
01/17/2017122985680Open ↗
▸Environmental & Asbestos10
▸BISASBESTOS: CERTIFICATION (DEP ACP5)4
09/15/2017123038676Open ↗
01/17/2017122985680Open ↗
01/24/2013121503845Open ↗
Showing 3 of 4 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'3
04/18/2012121025265Open ↗
03/30/2011120633467Open ↗
03/30/2011120633467Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
09/01/2026M00783270-I1Open ↗
08/26/2026M01117811-P1Open ↗
08/26/2026M01117811-I1Open ↗
▸Energy Compliance8
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4
01/17/2017122985680Open ↗
06/19/2014121503845Open ↗
01/24/2013121503845Open ↗
Showing 3 of 4 on file for this type
▸BISTR8: Energy Code Progress Inspections2
01/24/2013121503845Open ↗
12/19/2012121464888Open ↗
▸BISTECHNICAL REPORT: ENERGY1
04/18/2012121025265Open ↗
▸BISEN2 - As Built Energy Analysis1
06/19/2014121503845Open ↗
▸Approvals, Objections & Sign-offs13
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter5
08/26/2026M01117811-I1Open ↗
08/26/2026M01117811-P1Open ↗
08/13/2026M00783270-I1Open ↗
Showing 3 of 5 on file for this type
▸BISADMINISTRATIVE OBJECTIONS4
01/24/2013121503845Open ↗
12/19/2012121464888Open ↗
04/05/2012121030419Open ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3
03/03/2015120633467Open ↗
06/19/2014121503845Open ↗
02/28/2013121030419Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
06/19/2014121503845Open ↗
▸Cost, Insurance & Ownership8
▸BISCOST AFFIDAVIT8
09/15/2017123038676Open ↗
01/17/2017122985680Open ↗
03/03/2015120633467Open ↗
Showing 3 of 8 on file for this type
▸Filing & Intake Forms15
▸BISADDITIONAL INFORMATION6
02/13/2018122985680Open ↗
12/24/2013121503845Open ↗
12/03/2013121464888Open ↗
Showing 3 of 6 on file for this type
▸BISEFILING COVER SHEET6
09/15/2017123038676Open ↗
01/17/2017122985680Open ↗
01/24/2013121503845Open ↗
Showing 3 of 6 on file for this type
▸BISHPD-3 - SRO MD ANTI-HARASSEMENT CHECKLIST2
01/28/2013121503845Open ↗
12/26/2012121464888Open ↗
▸BISBOROUGH INTAKE FORM1
02/09/2018122985680Open ↗
▸Other Documents5
▸DOB NOWProof of Historic Building2
08/26/2026M01117811-P1Open ↗
08/13/2026M01117811-I1Open ↗
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
02/28/2013121030419Open ↗
▸DOB NOWManufacturer's Specifications1
08/13/2026M01143805-I1Open ↗
▸DOB NOWCalculations1
08/13/2026M01143805-I1Open ↗