3590 Happy Lane Newly constructed and custom designed, this modern luxury estate in southeast Las Vegas near Green Valley offers an exceptional blend of sophisticated design, warm textures, designer finishes, and abundant natural light on nearly an acre. This single-story residence features 6 bedrooms, 6.5 bathrooms, a detached casita with kitchen and island, and a separate office. The open-concept great room features pocketing doors that extend the living space to a covered patio and private resort-style backyard with a pool, water features, palm-lined landscaping, built-in barbecue area with sink, exterior-access pool bathroom, and private pickleball court. The chef's kitchen showcases top-of-the-line stainless steel appliances, a pot filler, an oversized waterfall island with seating, and a separate prep kitchen. The primary suite offers private backyard access, a beverage station with wine refrigerator, and a linear fireplace. Its spa-inspired bathroom features dual vanities, a freestanding soaking tub, and an oversized walk-in shower with seating and dual showerheads. A spacious walk-in closet with floor-to-ceiling custom built-ins and an island completes the suite. Secondary bedrooms are generously sized with ensuite bathrooms, and all closets feature custom built-ins. The attached three-car garage is complemented by an enclosed, air-conditioned 1, 862-square-foot RV garage with high ceilings. Both garages are air-conditioned, with combined capacity for up to 15 cars without lifts or up to 9 cars while accommodating a full-size RV. Convenient to Green Valley shopping, dining, and everyday amenities, this exceptional property offers a rare combination of custom modern luxury, expansive grounds, resort-style outdoor living, and extraordinary vehicle storage.