Elegant and updated 1.5-story custom estate home offering ~6,000 sq ft of finished living space on a premium ~1-acre private corner lot in sought-after Steeple Run Estates. Thoughtfully designed for both grand entertaining and intimate daily living, this beautifully maintained residence blends refined craftsmanship, abundant natural light, upgraded systems, and exceptional flexibility across three finished levels. A dramatic two-story foyer with vaulted ceiling, stone accent wall, two skylights, and open staircase sets the tone for the home's warm and welcoming style. The foyer opens to a spectacular sunken great room featuring a stone fireplace, deluxe crown molding, walls of windows, and serene views of the park-like yard. Hardwood floors extend through much of the main level. The chef's kitchen includes granite counters, a large island with seating, Sub-Zero refrigeration, GE Cafe gas range, Bosch dishwasher, Samsung microwave, upgraded disposal, new Delta faucet, and a bright breakfast bay overlooking the patio and expansive yard. A separate den/living room with built-ins and a large formal dining room provide excellent flow for gatherings. The spacious laundry/mudroom offers cabinetry, oversized folding counter, deep utility sink, new Delta faucet, and Electrolux Wave-Touch washer/dryer on pedestals. The main-floor 5th bedroom features a vaulted ceiling, wall-to-wall closets, and easy access to the updated full bath-ideal for guests, multi-generational living, home office, or private retreat. The primary suite includes a vaulted ceiling, plant shelf, two walk-in closets with built-ins and dedicated shoe storage, plus a spa-inspired bath with skylight, jetted tub, separate shower, private toilet closet, dual granite vanities with Grohe fixtures, and dual linen cabinets. Upstairs are three large bedrooms, all with walk-in closets, plus an open loft overlooking the foyer. A generous hall bath with dual vanities, granite counters, private toilet closet, separate tub/shower, Grohe fixtures, and skylight completes the second floor. The deep-pour finished lower level offers lifestyle versatility: a full bar kitchenette (sink, dishwasher, beverage fridge, microwave), game and media zones wired for surround sound, exercise/pool table area, gas fireplace with remote, full bath, guest/flex room with natural light, and two large storage rooms. A utility room includes a double-bowl mud sink, water-heater closet, and separate water-treatment room with Kinetico softener, carbon filtration, and pressure tank. Major updates: Roof (2021); Pella windows/triple-pane doors (2021); asphalt driveway (2019, resealed 2022 & 2025); dual furnaces (2011 & 2018); dual A/C units (2018); water heaters (2019 & 2022); humidifiers (2018); radon mitigation (2021); sump pump w/ backup; rebalanced hot-water system. Comfort features: Nest thermostats, Nest doorbell, recessed lighting, dimmers, smart switches, plumbed central-vac lines. Interior/exterior repaint (2021) + plush Mohawk carpet w/ upgraded pad (2021). Outdoor living includes multiple patios, mature trees, stone-edged landscaping, exceptional privacy, and a fully insulated 3-car garage. Unfinished walk-up attic above garage offers ~1,000 sq ft expansion potential with subflooring and ductwork in place. Minutes to downtown Crystal Lake, Metra, 3 Oaks Recreation, golf, parks, dining, and highly rated D47/155 schools. A rare blend of luxury, privacy, and turnkey comfort.