Welcome to 445 Harrison Avenue in Miller Place, where timeless design meets modern comfort. Set on a full acre of beautifully landscaped property, this 4-bedroom, 2.5-bath Colonial has been meticulously cared for and thoughtfully updated throughout. Inside, you’re greeted by an inviting layout with high-end finishes and natural flow from room to room. The kitchen has been fully renovated with new cabinetry, sleek finishes, and an open feel that’s perfect for gathering. The newly remodeled half bath (2023) adds a stylish touch, while the reimagined primary suite offers a calm, elevated retreat. Recent upgrades provide lasting peace of mind, including a new heating system and central A/C, new Pella windows (2023), and new gutters with Leaf Guard protection. This home also offers the versatility to accommodate mother-daughter or multigenerational living with proper permits, making it as functional as it is beautiful. Step outside to your own backyard sanctuary featuring an inground pool, a custom pavilion, and a professionally landscaped lawn - a perfect setting for summer entertaining or quiet evenings at home. Located in the desirable Miller Place School District, 445 Harrison Avenue blends quality craftsmanship, flexibility, and pride of ownership in one exceptional home.