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633 Third Ave. 8th Floor Office

  • Usage: Office
  • Type: Sale
  • Floor: 8th Floor
  • Size: 11,000 SQFT
  • Price: Request Price
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    Contact us for current pricing.

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  • Term: For Sale
This eighth-floor commercial condominium is arranged as a multi-room professional suite designed for firms that require a high number of enclosed offices supported by multiple internal work areas and a connected dual-wing floorplate. Entry into the suite opens into a central corridor that divides the floor into two distinct operational zones, allowing the layout to function as a single headquarters or as a naturally partitioned environment for separate departments or partner groups. The left wing of the suite offers a more open format, featuring several large perimeter rooms with generous proportions and window exposure suited for executive offices, partner rooms, meeting suites, or team collaboration zones. These rooms vary in shape but all offer strong daylight and ample wall length for casework, bookshelves, or full desk arrangements.

Continuing deeper into the left wing, a series of interconnected interior rooms provides flexible space for administrative workrooms, support staff stations, file storage, or internal conferencing. The openness of this wing allows for various workstation layouts and creates a quieter operational zone separate from the denser private office cluster on the opposite side of the suite.

Transitioning into the right wing, the floorplan becomes more structured and enclosed. Here, a long central hallway leads past a series of private offices arranged on both sides of the corridor. This wing includes at least ten fully enclosed perimeter and near-perimeter rooms, each proportioned for use as private offices, counseling rooms, exam or consult rooms, or interview spaces, depending on the operator’s business type. Several interior rooms are positioned between the offices and function as storage rooms, internal meeting areas, or departmental breakout spaces. This structured corridor arrangement allows for quiet individual work, confidential client interaction, and predictable staff circulation.

Near the midpoint of the right wing, a large, fully enclosed conference room is positioned with enough depth to accommodate extended tables and group seating, creating a formal meeting environment separate from daily work activity. Adjacent interior rooms provide additional utility and support functions, including space suitable for copy equipment, administrative workflow, or record storage.

Throughout the suite, window lines appear along multiple exposures, bringing consistent daylight into both wings and supporting a healthy working environment. The dual-wing layout offers natural separation between public-facing functions and private staff zones, making the space ideal for legal firms, financial advisors, consulting practices, government agencies, medical groups, or any professional user that requires a strong ratio of enclosed rooms to open space. This is not a full floor but a substantial portion of a full-floor plate, providing a sense of independence with the efficiencies of shared building infrastructure.


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633 Third Ave., New York, NY 10017
Building at 633 03 Ave

About the Building

633 Third Avenue – Class A Office Condominium in Midtown East

Rising 41 stories in the heart of Midtown East, 633 Third Avenue is a premier Class A office condominium known for its exceptional light, modern infrastructure, and commanding views. The building offers units ranging from 4,322 RSF to 19,774 RSF, with each space benefiting from an extremely efficient center-core layout and four full sides of oversized windows. These features ensure exceptional natural light and airflow throughout every suite. Delivered in clean “shell” condition, the available offices allow for maximum flexibility in layout design and are supported by high ceilings, brand-new renovated corridors, and pristine restrooms.

Tenants and visitors are welcomed into a dramatic, contemporary two-story lobby that is staffed around the clock, setting a professional tone the moment you arrive. 633 Third Avenue is a rare offering in the Manhattan office market as a Class A condominium—ideal for users looking to own or lease space within a highly institutional-quality asset. The building is managed with first-class attention to detail, offering state-of-the-art systems, tenant-controlled comfort, and secure, reliable operations.

Home to an esteemed roster of owners and tenants such as Memorial Sloan-Kettering, the New York State Governor’s Office, and UNICEF, the building offers not only stability but prestige. Located just steps from Grand Central Terminal and the United Nations, the address is perfectly positioned for commuter convenience and international access. In-building amenities include Dock’s Oyster Bar, Chase Bank, and New York Sports Club, all of which are accessible directly through the lobby—providing unmatched convenience for staff and clients alike.

Whether you’re seeking a long-term headquarters or a mid-sized ownership opportunity in a strategic Midtown East location, 633 Third Avenue delivers unmatched value and reputation within one of New York City’s most respected commercial corridors.


Office Tenants

Memorial Sloan-Kettering Cancer Center (7) Empire State Development Corp. (5) First American Title (2) CASA (1) FedCap Rehabilitation Services (1) Fresh Air Fund (1) The Community Service Society of New York (1) ARD (Radio & TV) American Council of Learned Societies Audrey Golden, LLC Governor Andrew Cuomo Jewish Agency for Israel Mount Sinai Medical Center Permanent Mission of Switzerland Salibello & Broder Swiss Consultant/ Confederation of Switzerland Time Equities Inc Union for Reformed Judaism Weizmann Institute of Science

Retail Tenants

Chase Bank Docks Seafood Grill & Oyster Bar Gateway Newsstand New York Sports Club


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