Nestled within the highly coveted Cross Keys community, sitting perfectly on the scenic Diamond Bar/Walnut border, this exceptionally curated townhome offers a lifestyle of refined comfort and effortless sophistication. The private entrance and serene courtyard set an exclusive tone for this sun-drenched sanctuary. Featuring an expansive 3-bedroom, 3-bathroom layout enhanced by a versatile den, the interior architecture seamlessly balances upscale styling with daily practicality. Positioned perfectly for modern living, the main-level den offers the ultimate flexibility to be transformed into a stately fourth bedroom, an executive home office, or an elegant guest suite. Designed for both grand entertaining and intimate relaxation, the main level boasts a fluid, open-concept design anchored by a grand living room fireplace. The gourmet kitchen serves as a central masterpiece, complete with a premium breakfast bar that transitions effortlessly into the formal living spaces. Upstairs, the residence unveils three beautifully proportioned bedrooms, including a lavish primary suite. This private haven features a spa-inspired en-suite bath adorned with dual vanities, a deluxe walk-in shower, and a discrete toilet area—offering a true resort-style escape at the end of the day. Beyond the gates, the meticulously manicured grounds of the Cross Keys community provide a robust collection of resort-tier amenities. Residents enjoy exclusive access to a sparkling swimming pool, a tranquil spa, professional-grade tennis courts, and an upscale clubhouse surrounded by lush greenbelts and dedicated outdoor dining areas. Providing ultimate peace of mind, the comprehensive HOA dues cover condo insurance, water, trash services, and limited roof maintenance. Securing an unparalleled foundation for your family’s future, this turn-key estate is situated within the premier, award-winning Walnut Valley Unified School District. The property offers an enviable, highly walkable lifestyle, keeping you just steps from Hannam Chain Supermarket, Target, and a curated selection of vibrant local boutiques, cafes, and premium fitness centers. With immediate, effortless access to the 57 and 60 freeways, commuting to greater Los Angeles, Orange County, and elite local universities is seamless. For the discerning individual seeking a high-convenience, low-maintenance urban retreat without compromising on luxury, this remarkable residence elevates every standard of Southern California living.