Welcome to 1820 Bonita Avenue, nestled in the charming community of Mount Prospect. This exceptional custom-rebuilt home offers nearly 3, 700 square feet of living space and showcases 9-foot ceilings on the first floor, with a new second story added in 2015. The home is designed with comfort in mind - rich hardwood floors flow throughout the upstairs bedrooms, while the first-floor bathrooms, entrance, and mudroom feature heated floors for year-round warmth. The beautifully updated kitchen features a large center island, stainless steel appliances, and is adjacent to a dining area with doors leading to the patio and large backyard. The first floor also includes a convenient office, a full bathroom, bonus rooms that can serve as a 5th and 6th bedroom, and the primary suite with a spa-inspired bathroom featuring heated floors, dual sinks, a separate soaking tub, and a steam shower. Upstairs, a versatile loft, second-floor laundry with 2023 washer and dryer, and an adorable walk-in closet off one of the bedrooms add style and functionality. A full basement with fresh 2024 carpet provides additional living space, complete with a full bathroom. Additional highlights include multiple storage options, abundant natural light, and a generous 2-car attached garage. Recent updates include a new AC unit in 2024, dishwasher and garbage disposal installed in 2025, and a powerful subpump in 2023. Located near Northwest Community Hospital, vibrant downtown Arlington Heights, and within the highly desired D57 school district with award-winning schools, this home combines comfort, style, and an ideal location. Set on an impressive 11, 011-square-foot lot, 1820 Bonita Avenue is a true Mount Prospect treasure!