Welcome to an extraordinary custom-built residence tucked away on a beautifully landscaped cul-de-sac lot in the prestigious River Estates subdivision. Backing to serene protected open space at the Ewen Preserve, this exceptional home offers the perfect blend of privacy, elegance & resort-style living. No detail was overlooked & no expense spared in this stunning 5 BR, 6 1/2 bath home, offering over 5, 500 sq ft of refined living space, plus an add. 2, 500 sq ft of finished walk-out lower level. The main level showcases impeccable craftsmanship & thoughtful design, featuring a state-of-the-art chef's kitchen outfitted with top-of-the-line appliances, granite countertops, oversized island, built-in desk, & an expansive walk-in pantry complete with an additional sink. The kitchen flows seamlessly into a dramatic LR highlighted by a floor-to-ceiling gas stone FP, coffered ceiling & a full wall of sliders that open to the backyard retreat. A formal DR & private den/office complete this level, along with a convenient mudroom laundry, full bath, half bath & integrated sound system. Upstairs, the luxurious primary suite serves as a private sanctuary with dual walk-in closets, a private balcony overlooking protected preserve land, & a spa-like bath featuring a soaking tub & rainfall shower. Two additional BRs offer en-suite baths & walk-in closets, while two more BRs share a beautifully appointed Jack-and-Jill bath. A second laundry area provides added convenience on this level, The expansive walk-out lower level is ideal for extended living or entertaining, offering a media room, office/bedroom, gym, full bath, & private entrance-perfect for an in-law or nanny suite. Step outside to your own private oasis. Designed for entertaining, the backyard features a stunning 20x40 heated in-ground pool, surrounded by approximately 1, 600 square feet of patio space, all fully fenced & bordered by tranquil natural scenery. The outdoor kitchen pavilion is a true showpiece, complete with an Alfresco grill connected to underground propane, dual refrigerators, ice machine, full sink, countertops, & custom cabinetry. A striking outdoor fireplace, full court basketball/pickleball court, irrigation system, storage shed, and underground utilities complete this exceptional outdoor experience. Located in a highly regarded Blue Ribbon school district and just minutes from Yale University, downtown New Haven, and major highways, this remarkable property offers the perfect combination of luxury, convenience, and lifestyle. A rare offering-where sophistication meets comfort in one of Orange's most desirable communities.