MUST SEE! There are homes that offer more space and then there are homes designed to elevate the way you live. Welcome to 12 Alexander Drive. YOU WONT WANT TO MISS this "ADU / In-Law / Multi-Generational walkout lower level space, it truly sets this home apart! Offering a true in-law-style living environment with a full quartz kitchen, generous cabinetry and counter space, living room, spacious bedroom with double closets, luxury bath with marble-tiled shower and soaking tub, separate laundry hookup, and direct patio access. All below a stunning Colonial style home set on a beautifully manicured one-acre lot in a private, peaceful Londonderry, New Hampshire neighborhood. From the maintenance-free farmer's porch, step inside to nine-foot ceilings, gleaming hardwood floors, and sun-filled living spaces. A custom sitting area creates a welcoming first impression, while the open-concept kitchen, dining, and fireplaced living area becomes the heart of the home, with granite counters, stainless steel appliances, a center island, and effortless flow to the rear deck and backyard. Upstairs, the primary suite feels like a private retreat with an expansive bedroom, walk-in closet, spa-inspired bath with tiled shower and soaking tub, plus a flexible bonus space ideal for an office, dressing room, nursery, or fitness area. Three additional bedrooms, a full bath, hardwood flooring, and second-floor laundry complete the level. ALL THIS, designed to adapt beautifully to every stage of life, this is a home where comfort, quality, and versatility come together. Come see for yourself.