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Mount Sinai NYC Leases 7000 Square Feet Medical Office At 348 Amsterdam Avenue Upper West Side

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LEASED
Andrew Taub

New York

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LEASED

Mount Sinai NYC Leases 7000 Square Feet Medical Office At 348 Amsterdam Avenue Upper West Side

348 Amsterdam Avenue

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Medical Office7,000 SF
Leased
Andrew Taub
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Summary

NEW YORK
Asset Type:Medical Office
Price Per Square Foot:$0
Total Square Footage:7000 SF
Transaction Type:Lease

The medical office space at 348 Amsterdam Avenue, located in the Upper West Side, has a total square footage of 7,000. This asset is positioned below the 18-story Harrison condo, a development by Related Companies.

Summary of transation details:

  • Property Type: Medical Office
  • Transaction Amount: Not specified
  • Address: 348 Amsterdam Avenue
  • Market: Upper West Side
  • Landlord: Jeff T. Blau - Related Companies
  • Tenant: Mount Sinai NYC
  • Brokers: Benjamin Birnbaum & Andrew Taub - Newmark

Mount Sinai NYC is set to relocate two obstetrics and gynecology practice groups to this new location, with patient services beginning in June.

Players

Andrew Taub
10 deals$5.9M volume
BROKER



Mount Sinai NYC
TENANT

Details

LEASED
IMAGE: Benjamin Birnbaum, Jeff T. Blau & Andrew Taub DATE: 04/02/2026 ADDRESS: 348 Amsterdam Avenue MARKET: Upper West Side ASSET TYPE: Medical Office ~ SF: 7,000 LANDLORD: Jeff T. Blau - Related Companies (@RelatedCos) TENANT: Mount Sinai NYC BROKERS: Benjamin Birnbaum & Andrew Taub - Newmark (@Newmark) NOTE: Mount Sinai is relocating two obstetrics and gynecology practice groups to a 7,000-square-foot space at 348 Amsterdam Avenue, below Related Companies’ 18-story Harrison condo on the Upper West Side, with patient services starting in June.

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Deal Type
Effective Rent (Annual)

$401,235.78

Total Lease Value

$4,012,357.76

Net Landlord Cash Flow$401,235.78