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Entity
Mt Sinai
Tenant · filed under 4 names
MANHATTAN · 8
5 buildings
8
Total Filings
8
Projects on File
5
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month8 projects all-time
0134Jun '21 · 1Aug '21 · 1Apr '23 · 1Nov '24 · 1Dec '24 · 1Jan '25 · 32022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off8100%
By project type
Alteration8
Most active buildings
All buildings →
2875 BROADWAYMANHATTAN · latest 01/15/2025
3 projects
787 11TH AVEMANHATTAN · latest 08/19/2022
2 projects
521 WEST 57 STREETMANHATTAN · latest 01/06/2025
1 projects
420 LEXINGTON AVENUEMANHATTAN · latest 01/08/2025
1 projects
10 UNION SQUARE EASTMANHATTAN · latest 12/12/2024
1 projects
Key relationships
Everyone →
Filing representatives
2 projects
2 projects
Filed under
Mt Sinai3Mt. Sinai Doctors3Mt. Sinai Medical Trials1Mt. Sinai Research Lab1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01148646 ↗2875 BROADWAY
MANHATTAN
AlterationSigned-off01/10/202501/15/2025
Design MOHAMMAD AHEAD, PE
Owner Premier Equities
Contractor WEINFELD, ELLIOT
Filer LOUIS STRIAR INC.
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - MOUNT SINAI DOCTORS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
M01148647 ↗2875 BROADWAY
MANHATTAN
AlterationSigned-off01/10/202501/15/2025
Design MOHAMMAD AHEAD, PE
Owner Premier Equities
Contractor WEINFELD, ELLIOT
Filer LOUIS STRIAR INC.
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - MOUNT SINAI DOCTORS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
M01148648 ↗2875 BROADWAY
MANHATTAN
AlterationSigned-off01/10/202501/15/2025
Design MOHAMMAD AHEAD, PE
Contractor WEINFELD, ELLIOT
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - MOUNT SINAI DOCTORS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
M01147310 ↗420 LEXINGTON AVENUE
MANHATTAN
AlterationSigned-off12/20/202401/08/2025
Design LOFFREDO BROOKS ARCHITECTS P.C.
Contractor NUCOR CONSTRUCTION CORP
Interior fit out of ambulatory sleep study center. No change in use, egress or occupancy.
M00834798 ↗521 WEST 57 STREET
MANHATTAN
AlterationSigned-off04/28/202301/06/2025
Design PERKINS&WILL ARCHITECTS, PC
Owner MERINGOFF PROPERTIES, INC.
Contractor BENCHMARK BUILDERS LLC
Filer METROPOLIS GROUP INC
INTERIOR RENOVATION OF 6TH FLOOR AS PER PLANS. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01130199 ↗10 UNION SQUARE EAST
MANHATTAN
AlterationSigned-off11/21/202412/12/2024
Design AZA ENGINEERING LLC
Owner MOUNT SINAI HOSPITAL
Contractor SOH PAR SPRINKLER LLC
Filer METROPOLIS GROUP INC
Modifications to Sprinkler Systems as per plans herewith, no change to in use, egress or occupancy.
Counts cover all 8 projects (8 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MOHAMMAD AHEAD, PE301/10/2025
AZA ENGINEERING LLC104/22/2025
LOFFREDO BROOKS ARCHITECTS P.C.112/20/2024
NADASKAY KOPELSON ARCHITECTS101/28/2022
PERKINS&WILL ARCHITECTS, PC107/16/2025
SILMAN108/03/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
L.S. SIGN CO., INC301/10/2025
HUNTER ROBERTS CONSTRUCTI201/28/2022
BENCHMARK BUILDERS LLC107/16/2025
NUCOR CONSTRUCTION CORP112/20/2024
SOH PAR SPRINKLER LLC104/22/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
PREMIER EQUITIES201/10/2025
MERINGOFF PROPERTIES, INC.107/16/2025
MOUNT SINAI HOSPITAL104/22/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LOUIS STRIAR INC.201/10/2025
METROPOLIS GROUP INC207/16/2025
8 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 8Signed off 8
8 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01148646 ↗2875 BROADWAY
MANHATTAN
AlterationSigned-off01/10/202501/15/2025
Design MOHAMMAD AHEAD, PE
Owner Premier Equities
Contractor WEINFELD, ELLIOT
Filer LOUIS STRIAR INC.
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - MOUNT SINAI DOCTORS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
M01148647 ↗2875 BROADWAY
MANHATTAN
AlterationSigned-off01/10/202501/15/2025
Design MOHAMMAD AHEAD, PE
Owner Premier Equities
Contractor WEINFELD, ELLIOT
Filer LOUIS STRIAR INC.
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - MOUNT SINAI DOCTORS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
M01148648 ↗2875 BROADWAY
MANHATTAN
AlterationSigned-off01/10/202501/15/2025
Design MOHAMMAD AHEAD, PE
Contractor WEINFELD, ELLIOT
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - MOUNT SINAI DOCTORS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
M01147310 ↗420 LEXINGTON AVENUE
MANHATTAN
AlterationSigned-off12/20/202401/08/2025
Design LOFFREDO BROOKS ARCHITECTS P.C.
Contractor NUCOR CONSTRUCTION CORP
Interior fit out of ambulatory sleep study center. No change in use, egress or occupancy.
M00834798 ↗521 WEST 57 STREET
MANHATTAN
AlterationSigned-off04/28/202301/06/2025
Design PERKINS&WILL ARCHITECTS, PC
Owner MERINGOFF PROPERTIES, INC.
Contractor BENCHMARK BUILDERS LLC
Filer METROPOLIS GROUP INC
INTERIOR RENOVATION OF 6TH FLOOR AS PER PLANS. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01130199 ↗10 UNION SQUARE EAST
MANHATTAN
AlterationSigned-off11/21/202412/12/2024
Design AZA ENGINEERING LLC
Owner MOUNT SINAI HOSPITAL
Contractor SOH PAR SPRINKLER LLC
Filer METROPOLIS GROUP INC
Modifications to Sprinkler Systems as per plans herewith, no change to in use, egress or occupancy.
M00493672 ↗787 11TH AVE
MANHATTAN
AlterationSigned-off08/03/202108/19/2022
Design SILMAN
Contractor HUNTER ROBERTS CONSTRUCTION
MOUNT SINAI - AMBULATORY DIAGNOSTIC & TREATMENT & NON-PRODUCTION LABOR 7TH FLOOR PACKAGE - STRUCTURAL MODIFICATIONS AS PER PLANS FILED HEREW…
M00493635 ↗787 11TH AVE
MANHATTAN
AlterationSigned-off06/29/202112/01/2021
Design NADASKAY KOPELSON ARCHITECTS
Contractor HUNTER ROBERTS CONSTRUCTION
MOUNT SINAI - 7TH FLOOR BUILDOUT - INTERIOR RENOVATION, PARTITION, CEILING AND DOOR MODIFICATIONS AS INDICATED ON PLANS FILED HEREWITH. NO C…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
521 WEST 57 STREET ↗107/16/2025
10 UNION SQUARE EAST ↗104/22/2025
2875 BROADWAY ↗301/10/2025
420 LEXINGTON AVENUE ↗112/20/2024
787 11TH AVE ↗201/28/2022
▾Documents — 74 on file (BIS + DOB NOW)
▸Plans & Drawings11
▸DOB NOWPlans/Sketch11
09/03/2026M00493672-I1 · 787 11TH AVERequest digital key ↗
09/03/2026M00493635-I1 · 787 11TH AVERequest digital key ↗
09/03/2026M00493635-P1 · 787 11TH AVERequest digital key ↗
Showing 3 of 11 on file for this type
▸Applications & Permits4
▸DOB NOWHPD Certification Letter or CPC Special Permit3
09/03/2026M00493672-I1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-P1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-I1 · 787 11TH AVEOpen ↗
▸DOB NOWLPC Approval/Permit1
08/13/2026M01147310-I1 · 420 LEXINGTON AVENUEOpen ↗
▸Seals & Professional Certifications41
▸DOB NOWProgress Inspector Seal & Signature16
09/01/2026M00493672-I1 · 787 11TH AVEOpen ↗
08/29/2026M00834798-P1 · 521 WEST 57 STREETOpen ↗
08/29/2026M00834798-P1 · 521 WEST 57 STREETOpen ↗
Showing 3 of 16 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature14
09/01/2026M00493635-P1 · 787 11TH AVEOpen ↗
09/01/2026M00493635-P1 · 787 11TH AVEOpen ↗
09/01/2026M00493672-I1 · 787 11TH AVEOpen ↗
Showing 3 of 14 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature11
09/03/2026M00493672-I1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-P1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-I1 · 787 11TH AVEOpen ↗
Showing 3 of 11 on file for this type
▸Safety & Tenant Protection7
▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist5
09/03/2026M00493672-I1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-P1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-I1 · 787 11TH AVEOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWCertificate of No Harassment2
09/03/2026M00493635-P1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-I1 · 787 11TH AVEOpen ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-5: Asbestos Assessment Report8
09/03/2026M00493672-I1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-P1 · 787 11TH AVEOpen ↗
09/03/2026M00493635-I1 · 787 11TH AVEOpen ↗
Showing 3 of 8 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
09/03/2026M00493635-I1 · 787 11TH AVEOpen ↗
▸Approvals, Objections & Sign-offs2
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter2
08/13/2026M01130199-P1 · 10 UNION SQUARE EASTOpen ↗
08/13/2026M01130199-I1 · 10 UNION SQUARE EASTOpen ↗