Stunning Former Model Home with High-End Designer Upgrades! Welcome to 3661 S Nexa Paseo, an impeccably designed property located in one of Ontario’s most desirable master-planned neighborhoods. Originally built in 2022 as a premier builder model home, this sophisticated 2,133-square-foot residence features 4 spacious bedrooms and 3 full bathrooms, showcasing top-tier craftsmanship, premium custom upgrades, and pristine care throughout. Interior Highlights Gourmet Kitchen: Capitalize on a luxurious culinary layout featuring kitchen. An expansive center island, premium appliances, custom designer cabinetry, and chic tile backsplashes. Open-Concept Living: Entertain effortlessly across light-filled living spaces adorned with high ceilings, recessed lighting, dynamic central cooling, and upgraded designer flooring. Main-Level Versatility: Enjoy the flexibility of a convenient main-floor bedroom and full bathroom, perfectly suited for living or a quiet home office setup. Primary Retreat: Relax in a grand master suite complete with a massive walk-in closet and a spa-like en-suite bathroom featuring dual quartz vanities. Exterior & Community Perks Attached Garage: Benefit from a pristine, direct-access 2-car garage with an integrated workspace utility sink. Resort-Style Amenities: Walk just steps to your exclusive neighborhood clubhouse, featuring a sparkling lap pool, community spa, children's playground, dedicated dog park, and sports courts. Prime Location: Enjoy effortless commuting convenience right next to major Southern California freeways and quick access to local favorites like nearby retail malls and Costco. This rare, move-in-ready property combines the structural savings of energy-efficient construction with thousands of dollars in upgraded builder finishes. Come view it today before it sells!