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Rent/Lease Apartment 425 Park Ave S

Tenant Broker’s Perspective: Return-to-office mandates are driving up rental prices at 425 Park Ave S. This trend is projected to continue. Opportunities for subleases remain available at 425 Park Ave S and in the nearby Rose Hill neighborhood.

425 Park Ave S Property Overview

Building Address: 425 Park Ave S, New York NY 10016
Building Name: Park South Tower Apartments
Zip Code:10016
Neighborhood:Rose Hill
Borough:Manhattan
Stories:0
Year Built:1927
Building Class:B

425 Park Avenue in Manhattan is a landmark project representing the first full-block office building on Park Avenue in more than fifty years, marking a significant milestone in Midtown Manhattan's architectural evolution.

Originally constructed in 1957, the building underwent a thorough redevelopment that took nearly two decades to complete, rather than being entirely demolished and rebuilt. This extensive renovation preserved approximately 25 percent of the original structure, enabling the developers to maximize the floor area while adhering to zoning regulations.

The redevelopment was envisioned as a beacon of modernism and cutting-edge architecture. Eleven premier architectural firms were consulted to ensure that the new design would stand out as iconic and forward-thinking. The goal was to create a Class A office building that would set new standards for workplace design and amenities, addressing the outdated nature of much of Midtown's office space.

Since its reopening, 425 Park Avenue has played a pivotal role in Midtown Manhattan's revival, joining the ranks of other modern office complexes like Hudson Yards and One Vanderbilt. This building offers state-of-the-art facilities and has attracted prestigious tenants, positioning it as a citadel of finance and a symbol of the area's ongoing transformation into a hub for the future of work.

425 Park Avenue South, also known as Park South Tower, is a pre-war co-op building located in the NoMad area of Manhattan, New York City. It was originally built in 1927 and converted to a co-op in 1980. The building features loft-like apartments with high ceilings, ornate lobby, multiple elevators, and a planted and furnished roof deck offering spectacular views. It consists of 20 stories and houses 74 residences.

Not to be confused with , a nearby office building designed by Foster + Partners, which is a modern full-block office building.


Amenities at 425 Park Avenue, Manhattan, NYC

425 Park Avenue redefines luxury and modern office environments with a suite of premium amenities designed to enhance work and life.

  • Triple-Height Lobby: A grand entrance featuring high ceilings and floor-to-ceiling glass windows, setting a prestigious tone.
  • Private Garage: A 52-space garage with an exclusive chauffeur lounge for convenience and style.
  • Exclusive Dining: A two-floor restaurant by acclaimed Chef Jean-Georges Vongerichten offering top culinary experiences.
  • The Diagrid Club: Collaborative space situated on a dramatic triple-height floor with remarkable views of Central Park, featuring world-class food and beverage options.
  • Relaxation Areas: Indoor and outdoor gardens provide serene spaces for unwinding and socializing.
  • Impressive Views: Sweeping panoramas of Midtown Manhattan and Central Park from various vantage points within the building.
  • Sustainability Certifications: LEED Gold BD+C certified and New York City’s first-ever WELL-certified building, underscoring a commitment to health and environmental standards.

425 Park Ave S, Manhattan, NYC Office Tenants

425 Park Avenue is a premier Class A office building in Midtown Manhattan, completed in 2022 and designed by Foster+Partners. It offers approximately 670,000 square feet of premium office space across a full city block between 55th and 56th Streets.

Notable tenants include leading financial and private equity firms such as Citadel, which occupies about 415,000 square feet, and Hellman & Friedman, which has leased two entire floors. Other prominent firms like GTCR also have a presence here. The building features triple-height ceilings, floor-to-ceiling windows, and column-free layouts, providing an exceptional work environment.

With approximately 85% of the space leased, 425 Park Avenue stands as a beacon of modern office design and strategic Midtown location, attracting high-profile corporate tenants seeking state-of-the-art workspaces.


The primary internet providers serving 425 Park Ave S, Manhattan, NYC include:

  • Verizon: Offers fiber-optic service (Fios) with speeds up to 2.3 Gbps and 5G Internet options, widely recognized for reliability and high speed in Manhattan.
  • Spectrum: Provides cable and fiber internet services with speeds up to 1 Gbps, serving a large portion of Manhattan residents.
  • Xfinity: Cable internet provider offering speeds up to 2 Gbps across New York City.
  • Optimum: Cable and fiber internet provider with plans reaching up to 8 Gbps in speed availability.
  • RCN (Astound Broadband): Cable internet service provider offering speeds up to 1.5 Gbps.
  • EarthLink Fiber: Fiber internet provider offering up to 5 Gbps download speeds in New York City.

These providers deliver a variety of connection types including fiber, cable, and 5G, ensuring high-speed internet availability at this Manhattan address.


425 Park Avenue South Transportation Info

Cross streets: 55th-56th Streets (Note: Correct address appears to be Park Ave South between 28th-29th Streets based on actual location)

Nearest Transit
  • Subway: 6 train at 28th Street (12-min walk)
  • Bus: M1, M2, M3, M101 (Lexington Ave routes)

Note: "425 Park Ave" in Bronx has different transit options (BX11/BX41 buses, 4 train)

Major Hubs
  • Grand Central Terminal: 15-min subway ride via 6 train
  • Penn Station: 10-min taxi (1.5 miles)

Retail Tenants Rented / Leased 425 Park Ave S
  • Fresh & Co. leased 3,000 SF
Nearby Office Tenants Leased
  • Knotel leased 16,725 SF at 3 East 28th St
  • Superfly Productions leased 16,267 SF at 381 Park Avenue South
  • Union Square Hospitality… leased 15,126 SF at 853 Broadway
  • New York Dermatology Gr… leased 14,182 SF at 119 Fifth Ave
  • Knotel leased 14,174 SF at 41 Union Square West
  • Ackerman Institute for th… leased 14,000 SF at 936 Broadway
  • T. Rowe Price leased 13,450 SF at 233 Park Avenue South
  • Piano leased 13,092 SF at 85 Fifth Ave
  • Levy Alan Chiropractor leased 13,000 SF at 920 Broadway
  • OTG Management leased 12,200 SF at 352 Park Ave South

Nearby Retail Tenants Leased
  • The Shade Store leased 1,610 SF at 254 Park Avenue South
  • EXKi leased 1,500 SF at 257 Park Ave South
  • Monsoon Accessorize USA leased 500 SF at 1 Union Square West
  • En Japonais leased 0 SF at 225 Park Ave S
  • Burlington Coat Factory leased 70,000 SF at 100 West 125th St
  • Quality Eats leased 51,222 SF at 3 East 28th Street
  • Equinox leased 44,458 SF at 315 Park Avenue South
  • Hennes & Mauritz (H & M) leased 20,000 SF at 111 Fifth Ave
  • The Mind/Body Medical Group leased 18,000 SF at 304 Park Ave South
  • Prana leased 15,000 SF at 79 Madison Ave
Retail Tenants Rented / Leased 425 Park Ave S
  • Fresh & Co. leased 3,000 SF
Nearby Office Tenants Leased
  • Knotel leased 16,725 SF at 3 East 28th St
  • Superfly Productions leased 16,267 SF at 381 Park Avenue South
  • Union Square Hospitality… leased 15,126 SF at 853 Broadway
  • New York Dermatology Gr… leased 14,182 SF at 119 Fifth Ave
  • Knotel leased 14,174 SF at 41 Union Square West
  • Ackerman Institute for th… leased 14,000 SF at 936 Broadway
  • T. Rowe Price leased 13,450 SF at 233 Park Avenue South
  • Piano leased 13,092 SF at 85 Fifth Ave
  • Levy Alan Chiropractor leased 13,000 SF at 920 Broadway
  • OTG Management leased 12,200 SF at 352 Park Ave South
Nearby Retail Tenants Leased
  • The Shade Store leased 1,610 SF at 254 Park Avenue South
  • EXKi leased 1,500 SF at 257 Park Ave South
  • Monsoon Accessorize USA leased 500 SF at 1 Union Square West
  • En Japonais leased 0 SF at 225 Park Ave S
  • Burlington Coat Factory leased 70,000 SF at 100 West 125th St
  • Quality Eats leased 51,222 SF at 3 East 28th Street
  • Equinox leased 44,458 SF at 315 Park Avenue South
  • Hennes & Mauritz (H & M) leased 20,000 SF at 111 Fifth Ave
  • The Mind/Body Medical Group leased 18,000 SF at 304 Park Ave South
  • Prana leased 15,000 SF at 79 Madison Ave

Belzberg Technologies Inc Testimonial

Belzberg Technologies Inc testimonial To Whom It May Concern, Stephen Sunderland and the team at Optimal Spaces Inc. Inc. have handled a number of transactions for Belzberg Technologies in New York, Philadelphia, and Chicago. In New York alone, Optimal Spaces Inc. recently saved us almost a million dollars by finding a fully built data facility when we were about to build one. The team at Optimal Spaces Inc. was personable, hardworking, trustworthy and was able to both quickly and effectively determine our needs and find the appropriate solution. Belzberg Technologies continues to use Optimal Spaces Inc. for all its real estate needs and I would highly recommend their services to anyone attempting to navigate the commercial real estate market in New York. Please feel free to contact me at (212) 943-1400 Sydney Belzberg Chairman Belzberg Technologies (USA) Inc.
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Why Optimal Spaces –
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Alone or with other broker

  • Miss deals and hard-to-find spaces.
  • Potential conflict of interest (often represent landlords).
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  • Lack of specialized expertise.
  • May not get the best terms or uncover hidden costs.
Why Use a Tenant Broker: Your Advocate in Commercial Real Estate
1. The Crucial Distinction: Whose Side Are They On?
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3. Access to “Hidden” Inventory
4. Negotiating Beyond Base Rent
5. Time Savings & Process Management
6. Mitigating Risk (the “Gotchas”)
Summary: Don’t rely on the landlord’s agent. A tenant broker is your advocate, provides better data, negotiates a complete package, and typically costs you nothing.