Don't miss this rare opportunity to own a Lennar Next Gen home in the highly sought-after Casero community of Carlsbad! This exceptional property offers multi-generational living at its finest, featuring a 4-bedroom, 4-bathroom main home plus a private 1-bedroom, 1-bathroom secondary dwelling unit with its own address, entrance, full kitchen, in-unit laundry, and fenced patio-ideal for guests, extended family, or rental income. The open-concept design boasts a gourmet kitchen with high-end GE Monogram stainless steel appliances, a Bosch dishwasher, granite countertops, walk-in pantry and an impressive 16-foot California Slider leading to the covered patio, built-in fire pit, and plenty of space to garden.  A first-floor bedroom and newly remodeled full bathroom with a walk-in shower provide added flexibility, while the oversized primary suite upstairs features a spa-like bath, soaking tub, and dreamy walk-in closet. A versatile loft offers space for a home gym, media room, or play area. Additional upgrades include a wine cooler, newer paint, carpet, and luxury vinyl plank flooring, plantation shutters throughout, ceiling fans, a whole-house water softener, two tankless water heaters, and energy-efficient owned solar panels. The tandem garage fits three cars or offers extra storage, and the large corner lot offers over 10,000 SF. Located in the award-winning Carlsbad school district with NO Mello-Roos and low HOA dues, this home is a rare find that won't last long! Schedule your showing today!