521 Castlewood Lane Located in the award-winning Stevenson High School District 125, this beautifully updated east-facing ranch in sought-after Buffalo Grove offers the perfect blend of comfort, style, and functionality. From the moment you arrive, you'll notice the care and quality poured into this home-truly move-in ready and designed for modern living. Inside, the home features 4 spacious bedrooms plus an additional bedroom/flex space in the finished basement, providing versatility for guests, a home office, or extended living. The heart of the home is the stunning gourmet kitchen, where two skylights fill the space with natural light, highlighting quartz countertops, designer ceramic tile, and stainless steel appliances, including an LG oven. The kitchen sink also includes a dedicated filtered water tap for clean, convenient drinking water. The bathrooms showcase custom vanities, elegant tile work, and beautifully designed showers. The spa-like primary bath invites you to unwind with a jetted tub and heated floors. Downstairs, the finished basement expands your living space with insulated bamboo flooring, a finished room, and generous storage-ideal for both relaxation and functionality. Step outside to your private outdoor retreat, featuring a custom 600 sq ft composite deck-perfect for entertaining, dining, or simply enjoying the professionally landscaped surroundings. Additional features include Andersen 400 Series windows, architectural shingle roof, cement board (Hardie) siding, R-30 attic insulation, newer HVAC, and an extra-height 2.5-car garage. With a nearby golf course and park just a short walk away, this home isn't just a place to live-it's a place to thrive.