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MANHATTAN
The 301 East 50th Street Condominium
301 EAST 50 STREET · East Midtown-Turtle Bay · BIN 1085119
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—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
1 Open Violation ▸FISP: SAFEFDNY Report ↗
Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingGeneral
Floor 51p · 1 filing · 2 docs
Floor 4
Floor 3
Floor 23p · 1 filing · 2 docs
Floor 16p · 3 filings · 6 docs
Site & exterior3p · 2 filings · 5 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
303 DEVELOPMENT PARTNERS LLC5203/21/2026
CM ASSOCIATES CONSTRUCTION MANAGE1107/08/2026
950 SECOND AVENUE LLCC OTHE KLE803/21/2026
ROCKLEDGE SCAFFOLD CORP503/22/2026
950 SECOND AVE LLC OTHE KLE403/21/2026
SECOND 50403/21/2026
ORSID REALTY CORP304/09/2026
CB DEVELOPERS203/22/2026
SK DEVELOPMENT103/22/2026
950 SECOND AVE103/22/2026
▾Design Consultants (Architect / Engineer of Record)
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HOWARD L ZIMMERMAN ARCHITECTS203/21/2026
RICHARD LEWIS ARCHITECT303/21/2026
A1 EXPEDITING SERVICE603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
COLGATE ENTERPRISE CORPGeneral Contractor607/08/2026
ROCKLEDGE SCAFFOLD CORPGeneral Contractor203/21/2026
YEVGENY KOLTUNOVElectrical203/21/2026
MARCIN KOTOWSKIElectrical103/21/2026
PIOTR RADZIKElectrical103/21/2026
TUXEDO ELEC'L CONTR'G INCElectrical103/22/2026
GLENDALE ELECTL CONTNG INElectrical103/22/2026
DEMAR MECHANICAL INCPlumbing107/08/2026
GSA ELECTRIC CORP.Electrical103/22/2026
ILLUMINATIONS UNLMTD ELECElectrical103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HOWARD L ZIMMERMAN ARCHIT1712103/19/2025
Building Lifecycle
All (95)Filed (7)Permit Issued (6)Signed Off (4)Facade (FISP) (3)Violation (60)Inspection (1)Objection (14)
11/21/2025
Signed off — Alteration
Replacement of hot water heater for low zone. No change in use, egress or occupancy.
M01196770-I1
10/09/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
06/30/2025
Permit issued — Plumbing
M01196770-I1-PL
03/19/2025
Filed — Alteration
Replacement of hot water heater for low zone. No change in use, egress or occupancy.
M01196770-I1
06/23/2024
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/07/2024
Violation issued (FDNY_NOV, closed)
06/26/2023
Signed off — Alteration
M00453671-I1
06/26/2023
Signed off — Alteration
M00447633-I1
06/15/2023
Violation issued (FDNY_NOV, closed)
12/06/2022
Violation issued (FDNY_NOV, closed)
05/16/2022
Cycle 9 facade report signed — SAFE
04/09/2022
Cycle 9 facade report submitted
03/30/2022
Cycle 9 facade inspection completed
01/30/2022
Violation issued (FDNY_NOV, closed)
01/12/2022
Permit issued — Protection and Mechanical Methods
M00453671-I1-PM
01/07/2022
Permit issued — Sidewalk Shed
M00447633-I1-SH
11/12/2021
Violation issued (FDNY_NOV, closed)
05/28/2021
Violation issued (FDNY_NOV, closed)
04/18/2021
Violation issued (FDNY_NOV, closed)
01/21/2021
Permit issued — Protection and Mechanical Methods
M00453671-I1-PM
01/20/2021
Filed — Alteration
M00453671-I1
01/12/2021
Permit issued — Sidewalk Shed
M00447633-I1-SH
01/08/2021
Filed — Alteration
M00447633-I1
05/12/2020
Violation issued (ECB, closed)
Unknown
05/11/2020
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
05/11/2020
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
05/11/2020
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
01/16/2020
Signed off — Alteration
M00233229-I1
10/08/2019
Filed — No Work
M00225739-I1
09/25/2019
Permit issued — Sidewalk Shed
M00233229-I1-SH
09/23/2019
Filed — Alteration
M00233229-I1
03/26/2019
Objection raised — Mechanical
03/26/2019
Objection resolved — Addressed
03/26/2019
Objection raised — Mechanical
03/26/2019
Objection resolved — Addressed
03/22/2019
Objection raised — Scope
03/22/2019
Objection resolved — Addressed
03/22/2019
Objection raised — Fire_Protection
03/22/2019
Objection resolved — Addressed
03/22/2019
Objection raised — Fire_Protection
03/22/2019
Objection resolved — Addressed
03/22/2019
Objection raised — Inspections
03/22/2019
Objection resolved — Addressed
03/22/2019
Objection raised — Admin
03/22/2019
Objection resolved — Addressed
03/19/2019
Filed — No Work
M00143212-I1
03/19/2019
Filed — No Work
M00141335-I1
10/02/2018
Violation issued (FDNY_NOV, closed)
05/19/2018
Violation issued (HPD, closed)
B
05/02/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
05/02/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
05/02/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
04/06/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/06/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/26/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/11/2017
Violation issued (HPD, closed)
I
04/21/2017
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
04/21/2017
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
12/01/2016
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/07/2016
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
Latest 60 of 95 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offDEMAR MECHANICAL INC06/30/2025
DOB NOWProtection and Mechanical MethodsSigned-offCOLGATE ENTERPRISE CORP01/12/2022
DOB NOWSidewalk ShedSigned-offCOLGATE ENTERPRISE CORP01/07/2022
DOB NOWProtection and Mechanical MethodsSigned-offCOLGATE ENTERPRISE CORP01/21/2021
DOB NOWSidewalk ShedSigned-offCOLGATE ENTERPRISE CORP01/12/2021
DOB NOWSidewalk ShedSigned-offROCKLEDGE SCAFFOLD CORP09/25/2019
BISFPISSUEDWILLIAM HIRD & CO INC10/27/2017
BISFPISSUEDWILLIAM HIRD & CO INC08/25/2017
BISOTISSUEDAERIAL DESIGN BUILD SVCS08/07/2017
BISMHISSUEDAERIAL DESIGN BUILD SVCS08/07/2017
BIS—ISSUEDCM AND ASSOCIATES CONST03/30/2017
BISSPISSUEDAQUEDUCT MECHANICAL CORP02/24/2017
BISPLISSUEDAQUEDUCT MECHANICAL CORP02/24/2017
BISMHISSUEDAERIAL DESIGN BUILD SVCS02/22/2017
BISOTISSUEDAERIAL DESIGN BUILD SVCS02/22/2017
BISPLISSUEDG.N.T. MECHANICAL, LLC10/13/2016
BIS—ISSUEDCM AND ASSOCIATES CONST06/20/2016
BISEQISSUEDCM AND ASSOCIATES CONST06/20/2016
BIS—ISSUEDINTERBORO SIGN & ELEC MAI05/04/2016
BISSPISSUEDK.G. MECHANICAL INC04/13/2016
BISPLISSUEDL.L.G. PLBG & HTG INC04/06/2016
BIS—ISSUEDCM AND ASSOCIATES CONST03/21/2016
BISMHISSUEDTROY HOME IMPROVEMENT INC03/18/2016
BISEQISSUEDTROY HOME IMPROVEMENT INC03/18/2016
BISOTISSUEDTROY HOME IMPROVEMENT INC03/18/2016
BISEQISSUEDROCKLEDGE SCAFFOLD CORP12/30/2015
BISEQISSUEDROCKLEDGE SCAFFOLD CORP12/30/2015
BIS—ISSUEDCM AND ASSOCIATES CONST12/09/2015
BISSDISSUEDG.N.T. MECHANICAL, LLC08/28/2015
BISPLISSUEDG.N.T. MECHANICAL, LLC08/28/2015
BISEQISSUEDEVEREST SCAFFOLDING INC08/28/2015
BISSPISSUEDG.N.T. MECHANICAL, LLC08/03/2015
BISEQISSUEDCM AND ASSOCIATES CONST06/17/2015
BISBLISSUEDG.N.T. MECHANICAL, LLC03/02/2015
BISEQISSUEDROCKLEDGE SCAFFOLD CORP01/26/2015
BISEQISSUEDROCKLEDGE SCAFFOLD CORP01/21/2015
BIS—ISSUEDCM AND ASSOCIATES CONST12/19/2014
BISSDISSUEDG.N.T. MECHANICAL, LLC09/02/2014
BISPLISSUEDG.N.T. MECHANICAL, LLC09/02/2014
BISSDISSUEDG.N.T. MECHANICAL, LLC08/04/2014
+ 16 more permits on file
14 projects · most recent 06/08/2025
General Wiring Lighting
FiledStatusContractorScope
06/08/2025CompleteASTRA ELECTRIC, INCGeneral Wiring
11/12/2024CompleteOPTIMAL ELECTRIC, INCGeneral Wiring
06/17/2024CompleteGLENDALE ELECTL CONTNG INGeneral Wiring
09/01/2023CompleteOPTIMAL ELECTRIC, INCGeneral Wiring
04/15/2021CompleteASKO ELEC CONST & MAIN INGeneral Wiring
04/07/2021CompleteASKO ELEC CONST & MAIN INGeneral Wiring
01/08/2021CompleteNASH ELECTRIC SERVICES IN—
10/18/2020CompleteTUXEDO ELEC'L CONTR'G INC—
10/11/2019CancelledMLS ELECTRIC LLCGeneral Wiring
09/20/2019CompleteANTHONY G FERRY INC—
08/13/2019CompleteGSA ELECTRIC CORP.General Wiring
05/29/2019Pending PaymentJLC ELEC'L CONTR'G INCGeneral Wiring
01/30/2018CompleteILLUMINATIONS UNLMTD ELECLighting
01/29/2018CompleteLION ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
10/09/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Documents — 776 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch - Sidewalk Shed2
09/05/2026M00233229-I1Request digital key ↗
09/04/2026M00447633-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Temporary Place of Assembly2
09/05/2026M00141335-I1Request digital key ↗
09/05/2026M00225739-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Protection of Mechanical Methods1
09/04/2026M00453671-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Place of Assembly1
09/05/2026M00143212-I1Request digital key ↗
▸DOB NOWPlans/Sketch1
08/24/2026M01196770-I1Request digital key ↗
▸Applications & Permits191
▸BISWORK PERMIT APPLICATION96
08/15/2019123883896Open ↗
10/27/2017123182803Open ↗
08/28/2017123103676Open ↗
Showing 3 of 96 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION92
07/15/2025121325547Open ↗
07/11/2025121325547Open ↗
07/03/2025121325547Open ↗
Showing 3 of 92 on file for this type
▸BISBPP-5 - Authorization to the Department of Transportation3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸Zoning, Tax Lot & Property Records5
▸BISZoning Diagram (ZD1)4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Seals & Professional Certifications154
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION96
01/28/2020140471807Open ↗
01/28/2020140471807Open ↗
01/08/2020123883896Open ↗
Showing 3 of 96 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST19
08/05/2019123883896Open ↗
01/26/2017123011472Open ↗
01/26/2017123011472Open ↗
Showing 3 of 19 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM11
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 11 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT10
08/05/2019123883896Open ↗
01/26/2017123011472Open ↗
01/26/2017123011472Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
09/05/2026M00141335-I1Open ↗
09/05/2026M00233229-I1Open ↗
08/24/2026M01196770-I1Open ↗
Showing 3 of 7 on file for this type
▸BISPC FULL REPORT4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Trade Schedules & Equipment64
▸BISSCHEDULE B - PLUMBING18
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 18 on file for this type
▸BISSELF-CERT PLUMBING NOTICE16
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 16 on file for this type
▸BISEQUIPMENT USE APPLICATION/PERMIT14
01/28/2020140471807Open ↗
10/12/2018123011472Open ↗
10/12/2018123011472Open ↗
Showing 3 of 14 on file for this type
▸BISFA - FDNY APPROVAL : FD-FAA4
05/03/2019122572206Open ↗
08/08/2018123299171Open ↗
05/16/2017121787799Open ↗
Showing 3 of 4 on file for this type
▸BISEQUIPMENT USE PERMITS3
01/28/2020140471807Open ↗
10/12/2018123011472Open ↗
Showing 2 of 3 on file for this type
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISGAS CUT-OFF2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
08/28/2017123011472Open ↗
01/26/2017123011472Open ↗
▸BISSEWER CONNECTION: DEP SD1 & SD21
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Safety & Tenant Protection16
▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE7
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 7 on file for this type
▸BISTenant Protection Plan and Notes5
08/05/2019123883896Open ↗
09/25/2017123182803Open ↗
06/13/2017123103676Open ↗
Showing 3 of 5 on file for this type
▸BISST-1 Street Tree Checklist3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWTenant Protection Plan1
08/13/2026M00233229-I1Open ↗
▸Environmental & Asbestos21
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER16
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 16 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'5
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 5 on file for this type
▸Energy Compliance25
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS15
08/05/2019123883896Open ↗
09/29/2017123011472Open ↗
01/26/2017123011472Open ↗
Showing 3 of 15 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS4
01/28/2020140471807Open ↗
01/08/2020123883896Open ↗
10/16/2018123011472Open ↗
Showing 3 of 4 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISNYCECC ANALYSIS2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTR8: Energy Code Progress Inspections2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Inspections & Test Reports13
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY3
06/29/2018121325547Open ↗
Showing 1 of 3 on file for this type
▸Approvals, Objections & Sign-offs101
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST52
02/05/2021121325547Open ↗
11/16/2020121325547Open ↗
08/11/2020121325547Open ↗
Showing 3 of 52 on file for this type
▸BISADMINISTRATIVE OBJECTIONS19
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 19 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION12
05/15/2017122719941Open ↗
Showing 1 of 12 on file for this type
▸BISSCHEDULE A - OCCUPANCY / USE11
11/30/2018121325547Open ↗
06/15/2018121325547Open ↗
12/20/2016121325547Open ↗
Showing 3 of 11 on file for this type
▸BISSUPERSEDING LETTER4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISLETTERS - APPROVED FABRICATION CERTIFICATIONS2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISCONSTRUCTION CODE DETERMINATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Cost, Insurance & Ownership39
▸BISCOST AFFIDAVIT29
03/06/2020122572206Open ↗
01/28/2020140471807Open ↗
01/08/2020123883896Open ↗
Showing 3 of 29 on file for this type
▸BISPROJECT-SPECIFIC GL INSURANCE5
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 5 on file for this type
▸BISAcord 25 (Acord Certificate of Liability Insurance)3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISPROJECT SPECIFIC GENERAL LIABILITY INSURANCE (PGLI)2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Filing & Intake Forms94
▸BISADDITIONAL INFORMATION33
08/05/2019123883896Open ↗
12/17/2018121325547Open ↗
11/01/2017123011472Open ↗
Showing 3 of 33 on file for this type
▸BISBOROUGH INTAKE FORM26
03/06/2020122572206Open ↗
03/02/2020121325547Open ↗
01/28/2020140471807Open ↗
Showing 3 of 26 on file for this type
▸BISEFILING COVER SHEET25
08/05/2019123883896Open ↗
09/25/2017123182803Open ↗
08/08/2017123299171Open ↗
Showing 3 of 25 on file for this type
▸BISeFiling Job Application Cover Sheet9
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 9 on file for this type
▸BISSRO INTAKE FORM(SRO1)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Other Documents14
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION9
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 9 on file for this type
▸BISBPP - SUPPORTING DOCUMENTATION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISSITE CONNECTION: DEP2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISSAFETY MONITORING PLAN1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type