Well maintained colonial sfh nestled on 0.78acre lot overlooking complete private backyard. One of the largest model with over 6400sqft on 3 levels and over 100k upgrades. This rare lot with a huge back and front yard is surrounded by trees. Four seasons sunroom, porch and stone patio offering the ideal private setting for any type of backyard recreational activities. Hardwood floor throughout main and upper level. The dramatic and elegant foyer with high end chandelier and it divides the spacious and sun-filled formal dining & living rooms. Noticeable details such as extensive crown moldings, chair railings, wall trims throughout. The gourmet kitchen has brand new granite counters and backsplash, gas cooktop, upgrade cooking ventilation fan, double-wall oven, stainless steel appliances, a huge center island, and more than ample pantry and cabinet space. Large butler pantry with sink and wine rack. Solid built four-season sun room lies adjacent to the kitchen, overlooking the beautiful patio and scenery backyard, travertine floor, 3 sides large windows and skylight offering the sun-drenched and quiet space perfect for your family recreation. The grand 2-story family room is anchored by a cozy gas fireplace. The main level also features a private office with built-in bookcases. Expansive master suite with gleaming hardwood floor and walk-in closet. Master bathroom features stall shower, jacuzzi and double vanities with new granite countertop. 2 spacious bedrooms on upper level shared one full bathroom. Guest room with en-suite bathroom and a customized indoor balcony area. The lower level features 2000 sqft of finished, carpeted living space with a fireplace, wet bar, full bathroom, bonus room that can be used for overnight guests, storage room and a patio door leads to outside backyard. The 3 car garage and large driveway space offers ample parking for the whole family and guests. Water heater replaced 2018. Special features including heat exchange vent that runs 24x7. The vent pumps the air inside the house out and brings fresh air from outside in. The heat exchange vent conserves energy so the house will retain heat in winter and cold in summer. It also provides fresh air all day long for healthy living. The lawn is equipped with a rainbird sprinkler system. The sizable yard includes an orchard of fruit trees (pear, fig, mulberry, persimmons, and dates). The front yard landscaping includes ayoshino cherry tree, a kwanzan cherry tree and a large evergreen magnolia encircled property along the road. Cyprus trees separates the house from the neighbors to ensure privacy. The entire property is maintained with non-toxic and biodegradable products. No harmful pesticides ever used on the property.Backyard has a large vegetable garden that is ready to plant when you move in.This estate house is located minutes from shopping, restaurants, dulles airport, commuter routes, future Metro station and newly built South Riding Community Center that has a state-of-the-art gym, rock climbing wall, large indoor pool, tennis courts and senior center. It is a true gem that you dont want to miss! Open house september 19th sunday 2-4pm. Offer Deadline is Monday 10am