ENJOY ALL THE AMENITIES OF COUNTRY CLUB LIVING RIGHT AT HOME. PURCHASE, NEW YORK | FIVE ACRES | FORMERLY TWO AND FOUR ALYSSA LANE A Rare Dual-Parcel Estate with Subdivision Potential Set on five beautifully manicured acres in coveted Purchase, New York, this extraordinary custom brick Colonial represents not only a world-class private estate but a compelling real estate opportunity. Originally recorded as two separate parcels, two and four Alyssa Lane, and subsequently merged into one expansive five-acre estate, the property carries the potential for future re-subdivision into two 2.5-acre lots, subject to Town of Harrison Planning Board approval. For the discerning buyer, this adds a rare layer of flexibility and long-term value that is virtually impossible to find in this market. A gated entry sets a grand tone upon arrival, opening to stained glass doors and a striking marble foyer with a sweeping staircase and sun-drenched interiors. Designed for both grand-scale entertaining and everyday living, the home flows seamlessly through a formal dining room, multiple sitting areas, a living room with fireplace, a wet bar, and a richly appointed wood-paneled library with its own fireplace. At the heart of the home is the designer gourmet kitchen outfitted with a custom herringbone marble backsplash, quartz countertops, handcrafted cabinetry, and an oversized center island with built-in refrigerator drawers. Top-tier appliances include a dual-fuel Wolf range with griddle, Sub-Zero refrigerator, Bosch dishwashers, and Wolf wall oven and microwave. A butler's pantry enhances both convenience and entertaining capacity while sliding glass doors open to a wraparound veranda overlooking the pool, spa, and cascading waterfall. The main level also offers a first-floor ensuite bedroom, two powder rooms, and a thoughtfully designed mudroom with built-ins connecting to the three-car garage. The primary suite is a private sanctuary unto itself featuring soaring ceilings with intricate moldings; custom architectural windows; a statement fireplace; dual custom walk-in closets with extensive built-ins; two full bathrooms; a steam shower; and a dedicated wellness area. Four additional ensuite bedrooms; a flexible playroom or office; a full laundry room; and an additional bedroom suite above the garage complete the upper level. The walk-out lower level is designed for recreation and relaxation offering spacious living areas; gym; game room; wet bar; wine tasting room; secondary laundry area designed for golf simulator use; and summer kitchen with sliding glass doors opening directly to outdoor entertaining spaces. Outside,the grounds transform into private resort heated in-ground pooland spa;a dramatic stone waterfall;a fully equipped pavilionwith kitchen appliances ,an oversized barbecue,and pizza oven;a basketball court;a tranquil pond stockedwith goldfishwitha fountain,winding pathways,and professionally designed putting green.Multiple landscaped zones offer distinct areas of privacyand enjoyment throughout every season.A property of this scale , quality,and optionality rarely comes to market.Whether purchased as singularprivateestate or exploredforits subdivision potential,this isa once-in-a-generation opportunityinoneofWestchester’s most prestigious communities.Subdivisionpotential subjecttoTownofHarrisonPlanningBoardapproval.Buyers to conducttheirown due diligence.