Welcome to 335 Cow Hill Rd in Groton-a beautifully maintained 4-bedroom, 2 full bath Colonial set in the highly desirable Mystic Village area. This home offers the perfect blend of comfort, efficiency, and location, just minutes from the Sub Base and the Rhode Island border. Thoughtfully updated, the property features a new roof (2021), brand new furnace and AC condenser (July 2025), and all-new siding (2025), giving buyers peace of mind for years to come. Additional exterior upgrades include a new front porch, Anderson storm door, and new shutters that enhance the home's curb appeal. Inside, you'll find a warm and inviting layout ideal for both everyday living and entertaining, complemented by a cozy pellet stove for added efficiency and comfort. The home is equipped with public water and sewer, and solar panels help keep energy costs low. Step outside to enjoy a private backyard-perfect for relaxing, entertaining, or spending time with family. Conveniently, a bus stop is located right at the front of the home, adding to the property's accessibility. Whether you're looking for space, updates, or a prime location, this home checks all the boxes. Don't miss your opportunity to own in one of Groton's most sought-after areas!