This home is truly one-of-a-kind! Nestled within the Greenbrier neighborhood and just steps from Frontier Park, this 4 level expanded and meticulously maintained home offers a warm and inviting atmosphere. As you enter, you'll be greeted by the newly refinished hardwood floors and open layout kitchen and dining area, featuring a large bay window and 9' ceilings. The remodeled kitchen boasts custom cabinetry, granite countertops, stainless steel appliances, an oven hood, large island with seating for up to 5, a walk-in pantry, and built-ins along the wall offering tons of storage space. The family room addition features soaring vaulted ceilings, a fireplace surrounded by large windows, plus a half bath. On the second floor you will find 3 generously sized bedrooms and a full bathroom. The third level addition provides over 1000 square feet of extra living space, including a den perfect for an additional living room or office. The 4th bedroom has a walk-in closet. The enormous primary bedroom is a true retreat, featuring an en-suite bath with dual vanity, a spacious walk-in closet, a sitting area, and a deck overlooking the backyard. The lowest level of the home could be great for an in-law suite as as it includes two rooms (could be used as a bedroom and den), and the third full bath with a walk-in shower, plus laundry room. The backyard is your private oasis with a beautiful deck and tons of blooming trees and flowers making for a serene and peaceful setting. This home comes with new dual zoned HVAC (upstairs furnace 2021 and a/c 2024, downstairs furnace 2015 and a/c 2024), new roof, siding, soffits, facia, gutters with leaf guards all in 2022 and several new windows (see additional info for full list of upgrades). The attached garage that was expanded to fit 2 cars is a rare find in the neighborhood! Just steps from the park and Greenbrier school, close to downtown Arlington Heights, and near Highway 53, this home is centrally located and in top rated schools! This house is a real gem!