In the prestigious Golden Triangle of Le Vésinet, PARIS OUEST SOTHEBY’S REALTY exclusively presents a historic and iconic Hôtel Particulier dating from the Napoléon III era. The property has undergone a complete renovation by world-renowned interior designer Tristan Auer. Built at the end of the 19th century, this exceptional residence offers approximately 800 sqm of living space across four levels, nestled in the heart of a magnificent 5,000 sqm landscaped park, enhanced by a reflecting pond, a movable-floor swimming pool (Aqualift system), a tennis court, and three enclosed garages. On the ground floor: A luminous triple reception room featuring period parquet flooring, ornate moldings, and a fireplace. A refined library and study. Expansive double-aspect French doors open onto both sides of the park, flooding the space with natural light. An independent kitchen opens onto a large stone terrace—ideal for outdoor entertaining. A majestic staircase leads to the upper floors. On the first floor: A master suite designed as a private apartment, including a spacious bedroom, a study, a luxurious marble bathroom (with bathtub and shower), and a custom-made walk-in closet. A junior suite with walk-in closet, marble shower room, and separate WC. A landing with guest restroom. On the second floor: Four suites, each with their own en-suite bathroom or shower room. A playroom and an additional walk-in closet. On the garden level (fully finished basement): A large playroom, a stunning wine cellar, a laundry room, multiple storage areas, a walk-in closet, a room converted into an artist’s studio, and a shower room with WC. Blending historic charm with exceptional contemporary amenities, this rare and iconic residence is located in one of the most sought-after areas of Le Vésinet. A truly unique property for discerning clients seeking elegance, space, and discretion.