
William Douglass, co-founder of K2 Advisors, resides in an elegant residence within a historic and prestigious Upper East Side building.
His eighth-floor home, a refined three-bedroom, three-bathroom co-op, offers sweeping river views through oversized picture windows and features classic prewar architecture.
Once home to Douglass’s grandparents, including Pan Am founder Juan Trippe, the residence represents a return to the family legacy.
A meticulous renovation has elevated this Classic Six into a contemporary yet timeless retreat, complete with modern amenities and refined interiors.
With over 3,000 square feet of space, the home presents a rare blend of grandeur, comfort, and deep personal significance.
Historic Elegance with Modern Luxury
Upon arrival, the residence welcomes with a gracious foyer that opens to an expansive living room defined by soaring ceilings and restored herringbone oak floors.
A marble wood-burning fireplace anchors the space, surrounded by large windows that frame uninterrupted river views and bathe the room in natural light.
Next to it lies an equally grand formal dining room, also complete with its own fireplace and panoramic vistas.
The flow between these rooms offers seamless opportunities for entertaining on an intimate or grand scale.
A Chef’s Kitchen with Heritage and Functionality
The custom eat-in kitchen, completely redesigned for both beauty and performance, features marble countertops, top-of-the-line stainless steel appliances, and a restored Garland stove.
A butler’s pantry equipped with a wet bar and wine storage adds further convenience, enhancing the functionality of the home for hosting and entertaining.
Refined Private Quarters
Each of the three bedrooms has been thoughtfully arranged for comfort and privacy.
The primary suite offers a spacious walk-in closet and a spa-like ensuite bathroom, designed as a luxurious personal retreat.
A second bedroom enjoys its own ensuite bath, while the third is conveniently served by an adjacent full bathroom.
Additional modern features include custom closets, a premium sound system, washer/dryer, and a multi-zoned central air system for year-round comfort.
A Storied Building in a Prestigious Location
Built in 1930, the building remains one of New York City’s most exclusive residential cooperatives.
Recognized by author Tom Wolfe as one of the city’s “Good Buildings,” the property is known for its refined architecture and storied residents, including heads of state and cultural icons.
Building amenities include a private porte-cochère, recently updated fitness facilities, and a basketball/squash court.
Nestled on a tranquil cul-de-sac beside Carl Schurz Park and the East River promenade, the residence offers serene living with close proximity to premier schools and cultural institutions.
A Blend of Family Heritage and Modern Luxury
The home not only stands as a statement of architectural integrity and modern luxury but also holds personal resonance for Douglass.
It is situated in the very building where he spent time as a child, visiting his grandparents and watching Pan Am planes take off from LaGuardia Airport.
The residence, in both form and history, reflects a full-circle moment—blending family heritage with the enduring appeal of Gracie Square.
Explore More Photos Below
The building features a seamless blend of traditional and modern elements, creating a timeless design that enhances the urban landscape with elegance.

Striking materials and smooth lines define the towering exterior, offering an elegant yet bold presence that complements the surrounding environment.

A serene walkway runs alongside the water, inviting peaceful strolls while offering scenic views of lush greenery and the tranquil riverside.

The apartment captures expansive views of the river and city skyline, providing a breathtaking backdrop for its luxurious interior spaces.

Elegant Interiors
A carefully arranged chair and vibrant floral display greet visitors, blending artistic elements with refined sophistication to create a welcoming atmosphere.

Comfortable seating is framed by modern decor and ample natural light, creating a space perfect for relaxation while overlooking stunning views.

Bold design choices define this study area, featuring dark paneling and a striking yellow curtain, offering a creative yet functional work space.

Plush seating and large windows in the living room invite relaxation, with the river view serving as a peaceful backdrop to the stylish interior.


The minimalist design of the living space, complete with a classic fireplace, creates an inviting atmosphere that blends comfort with sophisticated style.

A blend of plush seating and elegant decor fills the living room, where floor-to-ceiling windows allow stunning views to enhance the space.

Floral-patterned walls frame a cozy sitting area, offering a comfortable sofa and inviting natural light from the window, creating a peaceful retreat.

A well-lit hallway with modern lighting and elegant furniture welcomes visitors, guiding them toward the spacious living area with expansive views.

The dining room boasts a striking green accent wall and a fireplace, while large windows showcase a beautiful view of the city skyline.


This kitchen blends state-of-the-art appliances with a chic red stove and light-filled window seat, combining function with modern aesthetics.

A red stove, stainless steel countertops, and minimalistic cabinetry define this kitchen, offering both practical space and elegant design.

Sleek cabinetry and marble countertops fill the pantry, providing ample storage space for organized and efficient kitchen essentials.

Soft neutral tones and elegant furniture create a serene atmosphere in this bedroom, while large windows offer plenty of natural light.

This guest bedroom exudes comfort with its calming tones and plush textures, providing a luxurious space for relaxation and restful sleep.

Marble countertops, large mirrors, and ample natural light make this bathroom feel spacious and refreshing, offering both style and function.

A sleek, marble-tiled bathroom with a modern, wall-mounted sink and clear glass shower offers a pristine, minimalist design, complemented by natural light.

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