Welcome to 5 Walnut St, a refined Arts & Crafts Colonial blending European elegance with modern luxury, 12 miles from Boston. Built in 2006, this 5,198 sq ft residence offers superb craftsmanship by a local builder, set on a ¾-acre lot abutting conservation land. Interiors feature hardwood floors, custom millwork, 9' ceilings, and an open layout bathed in natural light. The chef’s kitchen boasts Thermador appliances, Subzero paneled fridge, a large island, and walk-in pantry. A wood-burning fireplace anchors the living room, flowing into the dining spaces. The main level includes an office (or formal dining room) and guest suite. Upstairs, find four bedrooms including a luxurious primary suite with spa bath and dual closets. The walkout lower level offers flexible living space and full bath. Expansion potential in the unfinished walk-up attic with high ceilings. Professionally landscaped grounds, direct trail access, and easy commuting routes 95 and 2 make this an exceptional offering.