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MANHATTAN
300 EAST 50 STREET
MANHATTAN · East Midtown-Turtle Bay · BIN 1091935
💬 Discuss this project
—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionGeneral
Permit Issued — active, not yet Signed-off
Floor 121 filing
Floor 11
Floor 10
Floor 9
Floor 8
Floor 7
Floor 6
Floor 51 filing
Floor 48 filings
Floor 39 filings
Floor 28 filings
Floor 1Under Construction9p · 12 filings · 16 docs
CellarUnder Construction8p · 3 filings · 20 docs
Site & exterior7 filings · 20 docs
Filed — no permit issued3 filings · 13 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MAG PARTNERS307/16/2026
▾Design Consultants (Architect / Engineer of Record)
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CASINO DEVELOPMENT GROUPGeneral Contractor207/16/2026
URBAN ATELIER GROUP LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CHONG ENGINEERING P.C.7411306/24/2026
INM ARCHITECT, P.C.3351406/24/2026
DELTA TESTING LABS6872504/02/2026
MUESER RUTLEDGE CONSULTIN977406/10/2024
HOWARD L ZIMMERMAN ARCHIT1712310/29/2020
Building Lifecycle
All (298)Filed (65)Permit Issued (68)Signed Off (30)Inspection (25)Objection (80)Special Inspection (30)
08/10/2026
Special inspection requirement — Interior lighting power
RICHARD GREENWALD
08/10/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Protection of exposed foundation insulation
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Electrical motors and elevators
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Air barrier - visual inspection
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Vestibules
RICHARD GREENWALD
08/10/2026
Special inspection requirement — HVAC-R and service water heating equipment
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Exterior lighting power
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Fenestration air leakage
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Lighting controls
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Lighting in dwelling units
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Maintenance information
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Masonry
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Energy Code Compliance Inspections
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Air barrier continuity plan testing
RICHARD GREENWALD
08/10/2026
Special inspection requirement — HVAC-R and service water heating system controls
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Fenestration areas
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Insulation placement and R values
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Duct leakage testing, insulation and design
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Metering
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Wall Panels, Curtain Walls, and Veneers
RICHARD GREENWALD
08/10/2026
Special inspection requirement — Fire-Resistance Rated Construction
RICHARD GREENWALD
07/15/2026
Permit issued — General Construction
M01283298-I1-GC
07/15/2026
Permit issued — Mechanical Systems
M01283298-S1-MS
06/24/2026
Filed — Alteration
Sprinklers interior alteration to create new restaurant Serafina
M01283298-S1
06/12/2026
Filed — Alteration
Sprinklers interior alteration to create new restaurant Serafina
M01283298-S2
06/12/2026
Filed — Alteration
Sprinklers interior alteration to create new restaurant Serafina
M01283298-S3
06/11/2026
Filed — Alteration
Sprinklers interior alteration to create new restaurant Serafina
M01283298-I1
06/11/2026
Special inspection requirement — Tenant Protection Plan Compliance
Nikola Martinovic
06/11/2026
Special inspection requirement — Tenant Protection Plan Compliance
Nikola Martinovic
06/01/2026
Special inspection requirement — Fire-Resistance Rated Construction
Tae Chong
06/01/2026
Special inspection requirement — Tenant Protection Plan Compliance
Nikola Martinovic
06/01/2026
Special inspection requirement — Post-installed Anchors
Tae Chong
06/01/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Tae Chong
05/11/2026
Permit issued — General Construction
M01369151-I1-GC
04/23/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
04/06/2026
Signed off — New Building
New Building
M00611352-S5
04/02/2026
Filed — New Building
New Building
M00611352-A9
04/01/2026
Filed — Alteration
Construction work
M01369151-S1
03/20/2026
Filed — Alteration
Construction work
M01369151-I1
03/05/2026
Objection resolved — Addressed
02/27/2026
Objection raised — Admin
01/28/2026
Signed off — New Building
New Building
M00611352-S4
01/22/2026
Objection resolved — Addressed
01/22/2026
Objection resolved — Addressed
01/19/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
01/08/2026
Objection raised — Admin
12/19/2025
Filed — New Building
New Building
M00611352-B1
12/02/2025
Signed off — Alteration
sprinklers system, standpipe system
M00620758-I1
11/18/2025
Objection raised — Admin
10/17/2025
Signed off — Alteration
This application is filed for a Temporary Use Permit for a sales office including model apartments pursuant to section AC 28-111 and Buildings Bulletin 2010-002. This application is related to MPP# 207.
M01193820-S1
10/16/2025
Permit issued — Suspended Scaffold
M01193820-S1-SC
10/14/2025
Filed — Alteration
sprinklers system, standpipe system
M00620758-P2
10/08/2025
Filed — New Building
New Building
M00611352-A8
10/07/2025
Signed off — Alteration
This application is filed for a Temporary Use Permit for a sales office including model apartments pursuant to section AC 28-111 and Buildings Bulletin 2010-002. This application is related to MPP# 207.
M01193820-I1
09/26/2025
Filed — New Building
New Building
M00611352-A7
09/25/2025
Signed off — Alteration
M00710968-I1
09/24/2025
Permit issued — Plumbing
M00611352-S4-PL
Latest 60 of 298 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedCASINO DEVELOPMENT GROUP07/15/2026
DOB NOWMechanical SystemsPermit IssuedCASINO DEVELOPMENT GROUP07/15/2026
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC05/11/2026
DOB NOWSuspended ScaffoldSigned-offVIK XS SERVICES INC10/16/2025
DOB NOWPlumbingSigned-offPROTO P & H SERVICES CORP09/24/2025
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC05/28/2025
DOB NOWSuspended ScaffoldSigned-offVIK XS SERVICES INC05/23/2025
DOB NOWSidewalk ShedSigned-offSKYLINE SCAFFOLDING GROUP05/12/2025
DOB NOWConstruction FenceSigned-offSKYLINE SCAFFOLDING GROUP04/30/2025
DOB NOWMechanical SystemsSigned-offURBAN ATELIER GROUP LLC04/15/2025
DOB NOWGeneral ConstructionSigned-offURBAN ATELIER GROUP LLC04/01/2025
DOB NOWSuspended ScaffoldSigned-offCRISTINA MICHAELS CONS MN03/06/2025
DOB NOWSuspended ScaffoldSigned-offCRISTINA MICHAELS CONS MN03/06/2025
DOB NOWSprinklersSigned-offTRISTATE FIRE SPRINK INC01/27/2025
DOB NOWStandpipeSigned-offTRISTATE FIRE SPRINK INC01/27/2025
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC01/03/2025
DOB NOWProtection and Mechanical MethodsPermit IssuedURBAN ATELIER GROUP LLC12/23/2024
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC12/16/2024
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC12/11/2024
DOB NOWStandpipeSigned-offTRISTATE FIRE SPRINK INC11/27/2024
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC11/08/2024
DOB NOWPlumbingSigned-offPROTO P & H SERVICES CORP09/16/2024
DOB NOWPlumbingSigned-offPROTO P & H SERVICES CORP09/09/2024
DOB NOWSuspended ScaffoldSigned-offVIK XS SERVICES INC08/02/2024
DOB NOWStructuralSigned-offURBAN ATELIER GROUP LLC06/26/2024
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC06/26/2024
DOB NOWProtection and Mechanical MethodsSigned-offSKYLINE SCAFFOLDING GROUP05/14/2024
DOB NOWConstruction FenceSigned-offSKYLINE SCAFFOLDING GROUP05/10/2024
DOB NOWSidewalk ShedSigned-offSKYLINE SCAFFOLDING GROUP05/10/2024
DOB NOWProtection and Mechanical MethodsSigned-offSKYLINE SCAFFOLDING GROUP05/10/2024
DOB NOWSuspended ScaffoldSigned-offVIK XS SERVICES INC05/07/2024
DOB NOWStructuralSigned-offURBAN ATELIER GROUP LLC04/26/2024
DOB NOWMechanical SystemsSigned-offURBAN ATELIER GROUP LLC03/07/2024
DOB NOWPlumbingSigned-offPROTO P & H SERVICES CORP02/06/2024
DOB NOWStandpipeSigned-offTRISTATE FIRE SPRINK INC02/02/2024
DOB NOWSprinklersSigned-offTRISTATE FIRE SPRINK INC02/02/2024
DOB NOWSidewalk ShedSigned-offSKYLINE SCAFFOLDING GROUP01/31/2024
DOB NOWGeneral ConstructionPermit IssuedURBAN ATELIER GROUP LLC01/04/2024
DOB NOWProtection and Mechanical MethodsSigned-offMANHATTAN CONSTRUCTORS*12/28/2023
DOB NOWProtection and Mechanical MethodsSigned-offSKYLINE SCAFFOLDING GROUP12/28/2023
+ 10 more permits on file
2 projects · most recent 06/24/2026
Heating and Air Conditioning Systems Air Conditioning Systems Associated Ducts and Piping Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
06/24/2026Permit IssuedCASINO DEVELOPMENT GROUPHeating and Air Conditioning Systems
Heat / Cool
Daikin FXSQ48TBVJU 48,000 BTU · Vrf Indoor ×7
04/02/2026Permit IssuedURBAN ATELIER GROUP LLCAir Conditioning Systems, Associated Ducts and Piping, Heating and Air Conditioning Systems, Ventilation Systems
Cooling
Daikin RXYQ120AAYDA 120,000 BTU · Vrf Outdoor ×6
Heat / Cool
Daikin RXYQ168AAYDA 180,000 BTU · Vrf Outdoor ×54
RXYQ144AAYDA 144,000 BTU · Vrf Outdoor ×42
RXYQ96AAYDA 96,000 BTU · Vrf Outdoor ×42
RXYQ120AAYDA 120,000 BTU · Vrf Outdoor ×30
RQQ42TAVJUA 44,869 BTU · Vrf Outdoor ×12
RXYQ120AAYD 120,000 BTU · Vrf Outdoor ×6
RXYQ72AAYDA 72,000 BTU · Vrf Outdoor ×50
RZQ30TAVJUA 32,040 BTU · Vrf Outdoor ×5
— RXYQ72AAYDA 72,000 BTU · Split System ×10
RZQ30TAVJUA 32,040 BTU · Split System ×1
Aaon V3E/CFA-040 379,220 BTU · Split System ×12
York YMAE0105 731,500 BTU · Heat Pump Outdoor ×6
Ventilation
__Junk__ ERU-R-1 380,000 BTU · Ahu ×6
ERU-R-2 380,000 BTU ×5
Ducts & Piping
N/A NA ×5
2 projects · most recent 06/24/2026
Sprinkler System
FiledStatusContractorScope
06/24/2026——Sprinkler System
04/02/2026Signed-offTRISTATE FIRE SPRINK INCSprinkler System
6 projects · most recent 06/24/2026
Gas Water/Sanitary Storm
FiledStatusContractorScope
06/24/2026——Water/Sanitary
04/02/2026Signed-offPROTO P & H SERVICES CORPGas, Storm, Water/Sanitary
04/01/2026——Water/Sanitary
10/29/2020——Gas
10/29/2020——Gas
10/29/2020——Gas
5 projects · most recent 10/31/2025
General Wiring
FiledStatusContractorScope
10/31/2025CompleteROBERT B SAMUELS, INCGeneral Wiring
02/09/2024Permit IssuedHORSEPOWER ELECTRIC.&General Wiring
01/22/2024CompleteTOP SHELF ELECTRIC CORP—
12/20/2019CompleteBOROWIDE ELECT'L CONTR'S—
12/20/2019CompleteBOROWIDE ELECT'L CONTR'S—
1 project · most recent 04/02/2026
Steel Concrete Masonry
FiledStatusContractorScope
04/02/2026Signed-offPROTO P & H SERVICES CORPSteel, Concrete, Masonry
▾Field Inspections (DOB CAP) — 25
DateTypeResultReport
04/23/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
01/19/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
09/12/2025Pass-Final CND-Occupancy InspectionPassView ↗
08/25/2025Pass-Final CND-Occupancy InspectionPassView ↗
07/18/2025Pass-Final CND-Occupancy InspectionPassView ↗
07/14/2025Pass-Final CND-Occupancy InspectionPassView ↗
06/27/2025Pass-Final CND-Occupancy InspectionPassView ↗
06/20/2025Pass-Final General Construction Non-Directive 14PassView ↗
06/18/2025Certified StandPipe-SD-Piping-Hydrostatic TestCertifiedView ↗
06/04/2025Pass-Final SP - More than 10 Requested FloorsPassView ↗
06/02/2025Fail-Final General Construction Non-Directive 14FailView ↗
05/06/2025Pass-Final SP - Up to 9 Requested FloorsPassView ↗
04/29/2025Pass-Final SP - Up to 9 Requested FloorsPassView ↗
04/10/2025Pass-Final SD - Fire PumpPassView ↗
04/02/2025Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
04/02/2025Certified StandPipe-SD-Piping-Hydrostatic TestCertifiedView ↗
08/08/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
08/08/2024Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
03/15/2024Certified StandPipe - SD - Alarm Sys 64/09 - FinishCertifiedView ↗
03/15/2024Certified StandPipe - SD - Hydrostatic 63/09 Test (Initial 75 Feet)CertifiedView ↗
01/24/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/22/2023Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/22/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
12/08/2023Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/08/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 150
DateRequirementInspectorRole
08/10/2026Fenestration air leakageRICHARD GREENWALDenergy_progress
08/10/2026Lighting in dwelling unitsRICHARD GREENWALDenergy_progress
08/10/2026Duct leakage testing, insulation and designRICHARD GREENWALDenergy_progress
08/10/2026Fenestration and door U-factor and product ratingsRICHARD GREENWALDenergy_progress
08/10/2026Insulation placement and R valuesRICHARD GREENWALDenergy_progress
08/10/2026Protection of exposed foundation insulationRICHARD GREENWALDenergy_progress
08/10/2026Exterior lighting powerRICHARD GREENWALDenergy_progress
08/10/2026HVAC-R and service water heating system controlsRICHARD GREENWALDenergy_progress
08/10/2026Air barrier continuity plan testingRICHARD GREENWALDenergy_progress
08/10/2026HVAC-R and service water heating equipmentRICHARD GREENWALDenergy_progress
08/10/2026Energy Code Compliance InspectionsRICHARD GREENWALDprogress
08/10/2026Fire-Resistance Rated ConstructionRICHARD GREENWALDprogress
08/10/2026MeteringRICHARD GREENWALDenergy_progress
08/10/2026MasonryRICHARD GREENWALDspecial
08/10/2026Wall Panels, Curtain Walls, and VeneersRICHARD GREENWALDspecial
08/10/2026Electrical motors and elevatorsRICHARD GREENWALDenergy_progress
08/10/2026Fire-Resistant Penetrations and JointsRICHARD GREENWALDspecial
08/10/2026Interior lighting powerRICHARD GREENWALDenergy_progress
08/10/2026Fenestration areasRICHARD GREENWALDenergy_progress
08/10/2026Maintenance informationRICHARD GREENWALDenergy_progress
08/10/2026Air barrier - visual inspectionRICHARD GREENWALDenergy_progress
08/10/2026Lighting controlsRICHARD GREENWALDenergy_progress
08/10/2026HVAC-R and service water piping design and insulationRICHARD GREENWALDenergy_progress
08/10/2026VestibulesRICHARD GREENWALDenergy_progress
06/11/2026Tenant Protection Plan ComplianceNikola Martinovicspecial
Latest 25 of 150.
▾Documents — 351 on file (BIS + DOB NOW)
▸Plans & Drawings68
▸DOB NOWPlans/Sketch63
09/03/2026M00620758-I1Request digital key ↗
09/03/2026M00620758-P2Request digital key ↗
09/03/2026M00620758-P1Request digital key ↗
Showing 3 of 63 on file for this type
▸DOB NOWPlans/Sketch - Plumbing3
09/04/2026M00414925-I1Request digital key ↗
09/04/2026M00414928-I1Request digital key ↗
Showing 2 of 3 on file for this type
▸DOB NOWPlans/Sketch - Sidewalk Shed2
09/05/2026M00284940-I1Request digital key ↗
09/05/2026M00284929-I1Request digital key ↗
▸Seals & Professional Certifications250
▸DOB NOWProgress Inspector Seal & Signature116
10/01/2026M00611352-P8Open ↗
10/01/2026M00611352-P8Open ↗
10/01/2026M00611352-P8Open ↗
Showing 3 of 116 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature69
10/01/2026M00611352-P8Open ↗
10/01/2026M00611352-P8Open ↗
10/01/2026M00611352-P8Open ↗
Showing 3 of 69 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature65
09/04/2026M00414925-I1Open ↗
09/03/2026M00620758-I1Open ↗
09/03/2026M00620758-P2Open ↗
Showing 3 of 65 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWTenant Protection Plan5
09/04/2026M00414925-I1Open ↗
Showing 1 of 5 on file for this type
▸Environmental & Asbestos11
▸DOB NOWDEP ACP-5: Asbestos Assessment Report8
09/01/2026M00801484-I1Open ↗
09/01/2026M00801530-I1Open ↗
09/01/2026M00802265-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
09/04/2026M00414925-I1Open ↗
Showing 1 of 3 on file for this type
▸Other Documents17
▸DOB NOWDHCR Document10
09/03/2026M00620758-P2Open ↗
09/03/2026M00620758-I1Open ↗
09/03/2026M00620758-P2Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWProperty Ownership Certification5
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 5 on file for this type
▸DOB NOWManufacturer's Specifications1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWCalculations1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type