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5 Reasons Why 900 Stewart Avenue Garden City Is Long Island’s Hottest Class A Office Destination

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The landscape of Long Island’s corporate environment is constantly evolving, and no address exemplifies this modern transformation more clearly than 900 Stewart Avenue in Garden City. As of late 2025, this six-story, 247,617-square-foot Class A office building has solidified its position as a premier business hub, attracting major tenants and undergoing significant capital improvements that redefine the standard for downstate New York office space.

The property, once part of a larger complex developed by entities like Lincoln Equities Group and Met Life, has seen a dramatic resurgence in recent years, driven by strategic investment and a focus on high-end amenities. This deep dive explores the current status, key tenants, and major factors making 900 Stewart Avenue a central figure in the Long Island commercial real estate market today.

The Premier Corporate Hub: A Look at 900 Stewart Avenue's Profile

900 Stewart Avenue, often referred to as 'Atria West,' is a cornerstone of the Garden City corporate corridor in Nassau County. Its profile is defined by luxury, connectivity, and strategic location near major Long Island thoroughfares and transportation options.

  • Location: 900 Stewart Avenue, Garden City, NY 11530
  • Property Type: Class A Office Building
  • Size: Approximately 247,617 square feet
  • Floors: 6 Stories
  • Original Developer: Lincoln Equities Group and Met Life (as part of the 900 & 990 Stewart Avenue complex)
  • Recent Owner/Management: Onyx Equities (who purchased the building for $29 million and executed major renovations before selling)
  • Key Certification: Wired Certified Silver (indicating superior internet and telecom infrastructure)

The building’s multi-million dollar renovation program was a game-changer, focusing on creating collaborative work areas and modernizing the entire structure. This included a stunning 50-foot glass atrium, updated main lobbies, common hallways, and state-of-the-art bathrooms, all designed to meet the demands of the modern workforce.

Major Leases and the New Corporate Roster

The most telling sign of 900 Stewart Avenue’s current prestige is the caliber of the companies that have recently chosen it as their downstate New York home. The building’s high occupancy rate is fueled by major relocation and expansion deals, signaling strong confidence in the Long Island office market.

The Garfunkel Wild Relocation: A 45,000 SF Anchor

One of the largest and most significant transactions in recent Long Island commercial real estate news was the massive 45,000-square-foot office lease signed by the prominent healthcare law firm, Garfunkel Wild P.C.

This move, which saw the firm relocate its Long Island office to the 4th floor of 900 Stewart Avenue, was a monumental win for the property. It underscored the building’s appeal to high-profile, professional service firms that require premium space and a central location for their operations. The deal was arranged by top brokerage firms, including CBRE and Paragon Group, highlighting the property's status as a sought-after asset.

Madison Mortgage Services and Other Financial Powerhouses

The Garfunkel Wild lease was not an isolated event. The building continues to attract other major financial and service entities. Madison Mortgage Services, for example, relocated a 16,414-square-foot office space to the facility, further diversifying the tenant roster.

The full list of notable tenants showcases a strong mix of industries, from finance to insurance and professional services, establishing 900 Stewart Avenue as a true corporate ecosystem. Current and past major tenants include:

  • Garfunkel Wild P.C. (Healthcare Law)
  • Madison Mortgage Services (Mortgage/Finance)
  • CrossCountry Mortgage, LLC (Finance)
  • Aon Service Corporation (Insurance/Risk)
  • Signature Bank (Finance)
  • BPA International
  • RSC Insurance

5 Reasons 900 Stewart Avenue Dominates the Class A Market

The building’s success is not accidental; it is the result of a deliberate strategy to offer amenities and infrastructure that are scarce in the broader Long Island office market. Here are the top five factors driving its appeal:

1. Multi-Million Dollar Capital Program

The extensive renovations led by former owner Onyx Equities transformed the building from a standard office block into a modern, amenity-rich environment. The updated main lobby, the architectural feature of the 50-foot glass atrium, and collaborative workspaces are critical draws for companies looking to enhance employee experience and retention.

2. Exceptional Connectivity (Wired Certified Silver)

In today's digital economy, reliable and high-speed internet is non-negotiable. The Wired Certified Silver rating confirms that 900 Stewart Avenue has a robust, resilient, and cutting-edge telecommunications infrastructure, a vital factor for data-intensive firms like those in the legal and financial sectors.

3. Strategic Long Island Location

Situated in Garden City, the property offers unparalleled access to major roadways, including the Meadowbrook State Parkway and the Northern State Parkway. This central Nassau County location provides a convenient commute for employees across Long Island and easy access to New York City, making it a prime spot for firms serving the entire downstate New York region.

4. Comprehensive On-Site Amenities

The building offers more than just office space; it provides a full-service environment. Key amenities include a full-service cafeteria, which is a major convenience for tenants. Furthermore, the property provides bus service to nearby transportation hubs, reducing commuter stress and enhancing accessibility.

5. High-Profile Tenant Synergy

The presence of major, reputable firms like Garfunkel Wild, Aon, and Signature Bank creates a powerful corporate synergy. For new tenants, leasing space at 900 Stewart Avenue means joining an exclusive roster of successful enterprises, which can be a significant advantage for networking and establishing a strong corporate image in the Long Island business community.

The Future of Class A Office Space in Garden City

The continued success and high-profile leasing activity at 900 Stewart Avenue, sometimes marketed by brokers like Cushman & Wakefield and CBRE, demonstrate a clear trend: companies are prioritizing quality, amenities, and location, even in a shifting office market.

As Long Island's commercial real estate market matures, properties that have undergone significant capital improvements, like this one, are best positioned to attract and retain the most desirable tenants. The building’s combination of modern infrastructure, a prime Garden City address, and a powerful corporate roster ensures that 900 Stewart Avenue will remain a benchmark for Class A office space for years to come.

5 Reasons Why 900 Stewart Avenue Garden City is Long Island’s Hottest Class A Office Destination
900 stewart avenue garden city
900 stewart avenue garden city

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