Welcome to 3911 Prosperity Avenue, a four-sided brick estate offering exceptional space and comfort in the heart of Fairfax. Situated on a private and expansive lot within the highly sought-after Woodson High School pyramid, this residence offers over 10,000 square feet of beautifully designed living space, ideal for both everyday living and grand-scale entertaining. From the moment you arrive, the home makes a striking first impression with its gated driveway, expansive parking area, and 3-car garage, providing abundant space for guests and gatherings while offering a sense of privacy rarely found in this location. Step inside to a dramatic two-story foyer highlighted by a sweeping curved staircase and elegant architectural details that immediately set the tone for the home's design. The main level features expansive living spaces filled with natural light, including a spacious family room with fireplace, formal dining room, and a home office with built-ins, perfect for working from home. At the center of the home is a large gourmet kitchen featuring granite countertops, stainless steel appliances, and an oversized center island designed for gathering and entertaining. The kitchen flows seamlessly into the breakfast area and family room while offering direct access to the expansive rear deck-an ideal space for outdoor dining, relaxing, and hosting gatherings while overlooking the peaceful wooded surroundings. A highly desirable feature of the home is the main-level primary bedroom suite, offering convenience and flexibility for modern living. This spacious retreat includes large windows, a walk-in closet, and a private en-suite bathroom with dual vanities, a soaking tub, and a separate shower. In total, the home offers 7 bedrooms and 7.5 bathrooms, providing exceptional flexibility for family, guests, or multi-generational living. The upper level features additional generously sized bedrooms with well-appointed bathrooms and ample closet space. The fully finished lower level expands the home's possibilities with a home theater room, a large recreation and game room perfect for billiards and entertaining, and additional flexible space that can be used for hobbies, fitness, or guest accommodations. Outdoor living is equally impressive with a massive rear deck that spans the back of the home, offering multiple areas for dining, lounging, and entertaining while enjoying the private natural setting. Recent updates provide added peace of mind, including new windows installed in 2024, two HVAC systems replaced in 2023 and 2025, and a roof installed in 2022. Offering an incredible combination of size, comfort, and location, 3911 Prosperity Avenue presents a rare opportunity to own an expansive Fairfax property close to major commuter routes, shopping, dining, and top-rated schools