Every square foot of this immaculate Billerica split-entry has been thoughtfully designed for effortless daily living and impressive entertaining. Inside discover an open-concept main floor where sunlit hardwood flooring flows seamlessly through a bright living room featuring a classic bay window into a comfortable dining space complete with custom built-in seating. The kitchen boasts durable tile flooring and opens directly into an inviting family room anchored by a cozy wood-burning stove, where a glass slider leads out to the upper deck. Down the hall, a massive front to back primary suite serves as a true private retreat, offering an oversized walk-in closet, an attached full bath detailed with wainscoting, tiled flooring, and a walk-in shower stall and a sitting area. The versatile finished lower level adds incredible living flexibility, featuring an additional bedroom, a full bath, and a dedicated home office complete with custom built-in cabinetry. A spacious rec room centered around a warm gas fireplace provides the ideal setting for casual gatherings, with walkout access directly to the outdoors. Beyond the main interior, the home extends into a resort-style backyard fully fenced for privacy. Summer days revolve around the sparkling in-ground pool, expansive paver patio, and two decks perfect for open-air enjoyment. Exceptional outdoor storage completes the space, featuring an outbuilding, two storage sheds, and convenient pool storage attached directly to the house. A must see property! In-law and ADU potential.