Charming brick Colonial in a prime Arlington location! Less than a mile to the Metro, with direct access to a bike and walking trail at the end of the block, this delightful home offers the perfect blend of character & convenience. Inside, you'll find a traditional Colonial floor plan with beautiful hardwood floors throughout the main level (except kitchen) and upper level. The inviting living room is anchored by a wood-burning fireplace, creating a warm and welcoming atmosphere. Just off the living room, a unique addition featuring a bay window, exposed brick, and a wood ceiling offers endless possibilities. Whether you envision a home office, library, cocktail lounge, playroom, or reading retreat, this versatile space is sure to become a favorite. The kitchen features replaced lower cabinretry, countertops, and updated appliances, including an induction range that offers exceptional cooking performance. Upstairs, you'll find two bedrooms and a flexible den that can easily serve as a home office, nursery, yoga studio, dressing room, or walk-in closet. The finished lower level includes a recreation room or potential third bedroom, a full bath, laundry area, and kitchenette. With its private entrance, this space is ideal for guests, an in-law suite, or potential rental income. Notable upgrades include a top-of-the-line Trane HVAC system and a Rinnai tankless water heater. Smart-home features abound, including Hue lighting that allows you to customize the ambiance throughout the home and automated blinds that can be adjusted with the touch of a button. Outside, enjoy the expansive, fully fenced flat yard and large flagstone patio-perfect for entertaining, gardening, or relaxing outdoors. If you're looking for timeless charm, flexible living spaces, modern technology, and an unbeatable Arlington location, this is the home you've been waiting for.