WELCOME TO 8714 DUVAL STREET - A BEAUTIFUL RAMBLER ON A FULLY FENCED HALF-ACRE LOT IN THE HIGHLY DESIRABLE MANTUA AREA OF FAIRFAX! (More Pictures Coming) This spacious two-level rambler with a fully finished walk-out lower level offers the perfect combination of comfort, flexibility, outdoor space, and long-term potential. As you enter, you are welcomed by a bright and inviting living area with beautifully refinished hardwood floors and a warm, functional layout ideal for everyday living and entertaining. The renovated kitchen, updated in 2023, features granite countertops, stainless steel appliances, newer cabinetry, and generous workspace, flowing nicely into the dining and living areas. The main level offers three bedrooms and two full bathrooms, including a spacious primary bedroom with a private en-suite bath and his-and-her closets. Two additional bedrooms share a conveniently located full hallway bath, making this level comfortable and practical for a variety of lifestyles. The finished lower level adds tremendous flexibility and usable living space. Here you will find a large family room, an additional open area that could be used as a playroom, recreation space, fitness area, or even future kitchenette setup, plus a large bedroom with an oversized closet, an additional room ideal for a home office, study, hobby room, or guest space, another full bathroom, and a conveniently located laundry area. Step outside from the walk-out lower level and enjoy one of the home's biggest highlights - the expansive, fully fenced approximately half-acre lot. The backyard offers incredible space for entertaining, gardening, children, pets, outdoor games, weekend gatherings, or simply relaxing after a long day. Whether hosting summer parties or creating your own private outdoor retreat, this property offers the kind of usable yard that is increasingly difficult to find in Fairfax. Located in the sought-after Mantua area, the home enjoys the charm of an established neighborhood while remaining close to everything Northern Virginia has to offer. Enjoy convenient access to Mosaic District, INOVA Fairfax Hospital, shopping, dining, parks, major commuter routes, and everyday amenities, all while coming home to a peaceful residential setting with mature trees and generous homesites. Adding even more value, the property is also being offered with available architectural, structural, civil, and engineering plans for a proposed luxury custom residence of approximately 7,570 finished square feet. The proposed design includes 7 bedrooms, multiple en-suite baths, a gourmet kitchen with separate prep kitchen, private office, home theater, expansive recreation and entertaining spaces, and a 3-car garage. This creates a truly rare opportunity to move in and enjoy the existing home today, renovate further over time, hold as an investment, or eventually bring an extraordinary custom-home vision to life. Cozy home . Exceptional half-acre lot. Desirable Mantua location. Flexible living space. Exciting future potential. Sale includes the existing property and available building plans. Proposed improvements have not yet been constructed. Construction costs are not included. Buyer to independently verify plans, permits, approvals, zoning, square footage, and development feasibility with Fairfax County and appropriate professionals.