Overview and location
345 Park Avenue is a commercial office tower on the east side of Park Avenue in Midtown Manhattan, New York City. It occupies the block between 46th and 47th Streets, adjacent to landmarks such as Grand Central Terminal and the MetLife Building. The address is frequently associated with major corporate tenants and financial services firms, benefiting from one of the city’s busiest transit hubs and a dense professional submarket. This profile explains the building’s core attributes, ownership history, and operational facts that remain relevant over time.
Property specifications and building data
Basic attributes
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Address | 345 Park Avenue, New York, NY 10154 | Public records |
| Building type | Class A office tower | Industry listings |
| Floors above ground | 40 stories | Emporis / NYC Dept of Finance |
| Height to tip | 约600 feet (183 meters) | Emporis |
| Year completed | 1972 | NYC AIA guide and building permits |
| Gross floor area | 约1.3 to 1.5 million square feet | Industry estimates and CoStar |
| Typical floorplate | Approximately 30,000 to 33,0n0 square feet per floor | Brokerage and floorplans |
| Ownership (2020s) | Brookfield Property Partners and joint venture partners | SEC filings and brokerage announcements |
| Management | Brookfield Property Management | Owner disclosure |
Historical context and major milestones
Developed in the early 1970s, 345 Park Avenue emerged during a period when Midtown East was consolidating as a financial and corporate headquarters district. Its completion in 1972 coincided with a wave of modern office towers designed to offer expansive floorplates and superior vertical transportation. Over the decades, the building has undergone several renovations to update mechanical systems, lobbies, and facade components while largely preserving its overall form. Ownership changes in the 2000s and 2010s brought in institutional investors with a focus on long-term hold strategies in prime Midtown assets.
Tenants and occupiers
The tower hosts a mix of financial services, technology, and professional services tenants. Large, anchor tenants often occupy multiple floors, and the building is known for maintaining high occupancy through flexible sublease options. While specific names can change, the tenant roster historically includes major banks, asset managers, and corporate divisions that value proximity to Grand Central and direct subway links. Current leasing activity and floor-level tenant compositions are best confirmed through recent brokerage reports or the building’s management office.
Transport, access, and neighborhood amenities
Transit connections
- Grand Central Terminal: Direct underground passageway; lines include Metro-North, Harlem, New Haven, and Amtrak.
- Subway: 4/5/6, 7, and S routes stop within a 1–2 block radius.
- Bus: Multiple crosstown and downtown bus routes on Park and Madison Avenues.
Nearby amenities
The building sits within walking distance of several parks, hotels, restaurants, and retail corridors. Immediate surroundings include Grand Central Market, numerous cafes on side streets, and quick access to the Chrysler Building and MetLife Building areas. For visitors, the proximity of multiple hotels and conference facilities makes 345 Park Avenue a practical location for business travel.
Ownership structure and investment background
345 Park Avenue is owned through a joint venture led by Brookfield Property Partners, with participation from institutional co-investors. This structure enables large-scale capital improvements and refinance opportunities while distributing equity across recognized institutional managers. The joint venture model is common in major New York Class A assets and supports long-term holding horizons, minimizing turnover risk and aligning incentives for building performance.
Market position and competitive set
In the Midtown East office submarket, 345 Park Avenue competes with other Class A towers such as the MetLife Building, 1221 Avenue of the Americas, and 1100 Avenue of the Americas. Its advantages include direct underground access to Grand Central, a strong floorplate geometry, and a reputation for well-maintained common areas. When compared on metrics such as rent per square foot, vacancy rates, and tenant improvement allowances, the building generally aligns with top-tier assets in the same neighborhood.
Summary of key facts
345 Park Avenue is a 40-story Class A office tower completed in 1972 at a high-demand corner of Midtown Manhattan. It offers roughly 1.3–1.5 million rentable square feet across approximately 30,000–33,000-square-foot floors. Since the 2010s, Brookfield Property Partners has been the primary owner, supported by institutional capital. The building’s consistent occupancy is supported by its underground connection to Grand Central Terminal, a robust transit network, and proximity to corporate hubs. These attributes combine to make 345 Park Avenue a durable example of a top-tier Midtown office asset.
Frequently asked questions
What is 345 Park Avenue used for? The building is Class A office space primarily occupied by financial services, technology, and corporate tenants.
Who owns 345 Park Avenue? The property is owned through a joint venture led by Brookfield Property Partners with additional institutional partners.
When was 345 Park Avenue built? The tower was completed in 1972.
How do I visit or tour the building? For tenant or vendor visits, coordination through building management or a licensed broker is recommended for security and scheduling.
Is 345 Park Avenue connected to transit? Yes; it has an underground passageway to Grand Central Terminal and is within a short walk of multiple subway lines and bus routes.