Welcome to 840 Allegro Laneone of the few fully detached single-family homes in Fairfield's Cadence community, set on one of the largest lots in the neighborhood. Built in 2023, this 4 bed, 3.5 bath home offers 2,528 sq ft of modern living with over $50K in upgrades, including quartz countertops throughout and luxury finishes. The open-concept layout is perfect for entertaining, and the upstairs features a spacious primary suite, three additional bedrooms, and a versatile loft. This home includes owned solar, a Tesla EV charger, a finished garage with a home gym setup, and a full security camera system. The large backyard offers ample space to relax, play, or entertain. The seller is also open to including most furniture with the sale, making this move-in-ready home an exceptional opportunity. Located near top-rated schools, parks, shopping, and major commuter routes, this property delivers modern comfort and convenience in one of Fairfield's most desirable communities.