Welcome to 155 B&O Avenue, a meticulously maintained, four-level end-unit row home offering the ultimate blend of historic charm, modern sophistication, and urban convenience in the heart of Downtown Frederick. From the moment you step inside, you will find a bright interior featuring sleek, updated finishes that seamlessly pair with classic architectural character. Spanning four fully finished levels, the home offers three bedrooms and three full bathrooms, providing a flexible floor plan with plenty of room for home offices, guest accommodations, or dedicated entertainment spaces. Year-round comfort and ambience are built right in, anchored inside by both an electric fireplace for instant atmosphere and a cozy pellet stove for efficient winter heating. Step outside into your private backyard sanctuary, a rare gem in downtown living designed specifically for outdoor entertaining. The paved patio features a dedicated outdoor kitchen area alongside a freestanding outdoor fireplace, creating the perfect setting for summer barbecues, crisp autumn evenings, and effortless gathering under the stars. As an end-unit home, you will also enjoy the distinct advantages of extra natural light, enhanced privacy, and easy exterior access. The location truly cannot be beaten. Situated just a five-minute walk from the iconic Carroll Creek Linear Park, you are moments away from Frederick's premier craft breweries, boutique shopping, and vibrant waterfront dining. Commuters will love the unbeatable convenience of walking directly to the nearby Frederick MARC Train station for easy travel toward Washington, D.C. and Montgomery County. Turnkey, pristine, and thoughtfully upgraded throughout, this extraordinary downtown residence is ready for you to move right in and enjoy everything Frederick has to offer.