High above the Hudson River on a private road in Upper Grandview, this striking contemporary pairs extraordinary river views with serious design credentials. More than 4,000 square feet of light-filled, open-plan living unfolds across a dramatic site, with views of the Hudson from virtually every room and decks that make the landscape part of the house. Originally designed by Acorn Homes and custom built in 1989, the house was noteworthy from the start: portions of the structure were helicoptered onto the property during construction, a story that made local news. More recently, the owners enlisted acclaimed design studio Stewart-Schfer for an extensive renovation that sharpened the interiors while preserving the openness and architectural character of the original house. Their work includes a new kitchen, reimagined family room and fireplace surround, and has been featured in Dwell, Domino and HGTV. The result is sophisticated but relaxeda house designed around light, views and an easy connection to the outdoors. 4 bedrooms are joined by a dedicated home office, a bonus loft space on the 2nd floor, 3-1/2 baths, 2 fireplaces, 3 decks and a private balcony. Nearly an acre of established gardens surrounds the house, along with a partially in-ground, heated pool and multiple places to sit, dine or simply watch the river change throughout the day. A two-car garage, two-car carport and additional storage provide the practical counterpoint to all that glass and scenery. The setting feels remarkably private, yet the Hudson River villages of Piermont and Nyackwith restaurants, cafes, shops, galleries, parks and the riverfrontare close at hand. Located in the South Orangetown School District, this is a distinctive Hudson Valley house for buyers looking beyond the predictable suburban formula: architectural, private and deeply connected to its setting.