311 Millcreek Lane BEST VALUE IN OLESEN ESTATES! Spacious 3, 200+ sq ft custom home with a one-year-old fully paid-off solar system delivering extremely low electric bills and energy efficiency year-round! Major 2023 infrastructure updates include a new high-efficiency furnace and AC, high-R-value insulation, air sealing, and weatherstripping for ultimate year-round comfort. Roof, skylights, gutters, and downspouts replaced in 2015. This versatile floor plan features a coveted first-floor 5th bedroom with an adjacent full bathroom, ideal for guests or in-laws. Capitalize on the prime southern exposure, the dramatic vaulted family room flows into a sun-drenched sunroom with skylights and a bay window, creating an inviting space filled with natural light. The kitchen and laundry feature 2-year-old appliances (Refrigerator, Range/Stove, Dishwasher, Washer, and Dryer), a reverse osmosis water system, and a mudroom with a new exterior door (2025). The luxurious master suite features an elegant tray ceiling, an adjoining sitting room overlooking the family room, plus an oversized 20' x 7' walk-in closet. The spa-like master bath offers vaulted ceilings, a large skylight, and a deep 2-person whirlpool tub. Step outside to enjoy the concrete patio and new flagstone garden path. Minutes from Downtown Naperville, Metra, I-88, shopping, and top-rated District 203 schools.