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Convent
450 WEST 51 STREET
MANHATTAN · BIN 1026701
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1910Year Built
2Stories
M4Building Class
R8Zoning
14,265 sfGross Floor Area
20Units
6 Open Violations ▸
Convent · 8,159 sf lot · 1.75 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalGeneral
Roof3p · 1 filing · 19 docs
Floor 21p · 1 filing · 19 docs
Floor 1
Cellar1p · 1 filing · 19 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
SISTERS OF LIFE507/08/2026
LEMX407/08/2026
ARCHDIOCESE OF NEW YORK103/21/2026
ARCHDIOCESE203/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NELSON AND POPE106/06/2024
ASHRAF CORP112/19/2023
ANDREW ROBERT LEVENBAUM P.E.111/08/2023
TOHFAZ UDDIN PE PC204/11/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
JM ZONING, LLC.203/21/2026
SPRING SCAFFOLDING LLC403/21/2026
DESIGN 2147 LIMITED103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
SPRING SCAFFOLDING LLCGeneral Contractor603/21/2026
VDK RESTORATION INCGeneral Contractor303/21/2026
HI-TECH AIR CONDITIONINGGeneral Contractor107/08/2026
LEMX CORPGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
C.M. TESTING LABORATORY,1352206/06/2024
Building Lifecycle
All (37)Filed (5)Permit Issued (5)Signed Off (4)Violation (7)Objection (10)Special Inspection (6)
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/10/2025
Signed off — Alteration
HEREWITH FILING ARCHITECTURAL WORK, ROOF REPLACEMENT, STEEL WINDOW LINTEL REPLACEMENT, BRICK AND MORTAR MASONRY RESTORATION, PLASTER RESTORATION RAKE & RE-POINT BRICK PARAPETS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY
M00946110-S1
11/19/2024
Permit issued — Mechanical Systems
M00946110-S1-MS
08/13/2024
Signed off — Alteration
HEREWITH FILING ARCHITECTURAL WORK, ROOF REPLACEMENT, STEEL WINDOW LINTEL REPLACEMENT, BRICK AND MORTAR MASONRY RESTORATION, PLASTER RESTORATION RAKE & RE-POINT BRICK PARAPETS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY
M00946110-I1
06/26/2024
Objection resolved — Addressed
06/24/2024
Objection raised — Inspections
06/06/2024
Filed — Alteration
HEREWITH FILING ARCHITECTURAL WORK, ROOF REPLACEMENT, STEEL WINDOW LINTEL REPLACEMENT, BRICK AND MORTAR MASONRY RESTORATION, PLASTER RESTORATION RAKE & RE-POINT BRICK PARAPETS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY
M00946110-S1
05/24/2024
Signed off — Alteration
INSTALLATION OF TEMPORARY HEAVY DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF 2022 THE NYC BUILDING CODE. LIVE LOAD 300PSF.
M00978033-I1
02/08/2024
Permit issued — General Construction
M00946110-I1-GC
12/21/2023
Objection resolved — Addressed
12/21/2023
Objection resolved — Addressed
12/21/2023
Objection resolved — Addressed
12/21/2023
Objection resolved — Addressed
12/20/2023
Permit issued — Sidewalk Shed
M00978033-I1-SH
12/19/2023
Filed — Alteration
INSTALLATION OF TEMPORARY HEAVY DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF 2022 THE NYC BUILDING CODE. LIVE LOAD 300PSF.
M00978033-I1
12/19/2023
Special inspection requirement — Tenant Protection Plan Compliance
JOHN SEMIOLI
12/12/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
JOHN SEMIOLI
11/22/2023
Objection raised — Other
11/22/2023
Objection raised — Other
11/22/2023
Objection raised — Other
11/22/2023
Objection raised — Other
11/08/2023
Filed — Alteration
HEREWITH FILING ARCHITECTURAL WORK, ROOF REPLACEMENT, STEEL WINDOW LINTEL REPLACEMENT, BRICK AND MORTAR MASONRY RESTORATION, PLASTER RESTORATION RAKE & RE-POINT BRICK PARAPETS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY
M00946110-I1
10/10/2023
Special inspection requirement — Masonry
JOHN SEMIOLI
10/10/2023
Special inspection requirement — Preliminary
JOHN SEMIOLI
10/10/2023
Special inspection requirement — Final
JOHN SEMIOLI
10/10/2023
Special inspection requirement — Insulation placement and R values
JOHN SEMIOLI
05/24/2023
Signed off — Alteration
INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLAN. NO CHANGE IN USE,EGRESS OR OCCUPANCY.
M00710083-I1
04/03/2023
Permit issued — Sidewalk Shed
M00710083-I1-SH
04/11/2022
Filed — Alteration
INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLAN. NO CHANGE IN USE,EGRESS OR OCCUPANCY.
M00710083-P1
04/01/2022
Permit issued — Sidewalk Shed
M00710083-I1-SH
03/31/2022
Filed — Alteration
INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLAN. NO CHANGE IN USE,EGRESS OR OCCUPANCY.
M00710083-I1
03/30/2022
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/04/1998
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/16/1997
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/29/1995
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/18/1994
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/18/1993
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offHI-TECH AIR CONDITIONING11/19/2024
DOB NOWGeneral ConstructionSigned-offVDK RESTORATION INC02/08/2024
DOB NOWSidewalk ShedSigned-offLEMX CORP12/20/2023
DOB NOWSidewalk ShedSigned-offSPRING SCAFFOLDING LLC04/03/2023
DOB NOWSidewalk ShedSigned-offSPRING SCAFFOLDING LLC04/01/2022
BISEQISSUEDFANUKA INC07/08/2016
BISEQISSUEDFANUKA INC02/18/2015
3 projects · most recent 10/28/2024
FiledStatusContractorScope
10/28/2024Permit IssuedDISCOVER ELEC COMPANY INC1 meters, 1 new_meters
12/19/2023CompleteRICHARD NEU—
04/01/2022CompleteTOP SHELF ELECTRIC CORP—
▾Special Inspection Requirements (DOB NOW) — 6
DateRequirementInspectorRole
12/19/2023Tenant Protection Plan ComplianceJOHN SEMIOLIspecial
12/12/2023Structural Stability – Alterations of existing buildingsJOHN SEMIOLIspecial
10/10/2023MasonryJOHN SEMIOLIspecial
10/10/2023PreliminaryJOHN SEMIOLIprogress
10/10/2023FinalJOHN SEMIOLIprogress
10/10/2023Insulation placement and R valuesJOHN SEMIOLIenergy_progress
▾Documents — 36 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
09/02/2026M00710083-I1Request digital key ↗
09/02/2026M00710083-P1Request digital key ↗
08/28/2026M00978033-I1Request digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits3
▸BISPLAN / WORK APPROVAL APPLICATION1
02/20/2015122267545Open ↗
▸BISWORK PERMIT APPLICATION1
02/20/2015122267545Open ↗
▸DOB NOWHPD Certification Letter or CPC Special Permit1
08/13/2026M00946110-I1Open ↗
▸Seals & Professional Certifications14
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/27/2026M00946110-I1Open ↗
08/27/2026M00946110-S1Open ↗
08/13/2026M00978033-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
09/01/2026M00946110-I1Open ↗
09/01/2026M00946110-I1Open ↗
09/01/2026M00946110-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature3
09/01/2026M00946110-I1Open ↗
09/01/2026M00946110-I1Open ↗
09/01/2026M00946110-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
02/20/2015122267545Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
02/20/2015122267545Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
02/20/2015122267545Open ↗
▸Safety & Tenant Protection6
▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist5
08/13/2026M00946110-S1Open ↗
08/13/2026M00710083-I1Open ↗
08/13/2026M00946110-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWCertificate of No Harassment1
08/13/2026M00946110-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2
08/27/2026M00946110-I1Open ↗
08/27/2026M00946110-S1Open ↗
▸Approvals, Objections & Sign-offs3
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter3
08/13/2026M00946110-S1Open ↗
08/13/2026M00946110-I1Open ↗
08/13/2026M00978033-I1Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
02/20/2015122267545Open ↗
▸Other Documents2
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
03/05/2015122267545Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026M00946110-I1Open ↗