Welcome to 26859 Palacete Drive, a truly one-of-a-kind custom single-story home offering approximately 2,450 sq. ft. of versatile living space with RV access and NO HOA / NO Mello Roos. Originally expanded and extensively remodeled, this thoughtfully designed residence features 4 bedrooms, 3 bathrooms, soaring 10-foot ceilings, and an exceptional floor plan ideal for multigenerational living, guests, or a private home office. The spacious guest suite includes its own kitchenette, private entrance, Jack-and-Jill bath, and adjoining additional 135 square foot sunroom, creating endless possibilities for extended family, visitors, or creative workspace. The expansive great room features marble flooring, a fireplace with custom oak mantel, large center island, and abundant natural light flowing into the solarium dining area. The chef's kitchen features custom solid oak cabinetry, quartz countertops (2021), porcelain tile flooring, and a large walk-in pantry. The oversized primary suite offers vaulted ceilings, a sitting and office area, walk-in closet, and luxurious ensuite bath with imported Italian tile finishes. Step outside to your private backyard retreat complete with a covered patio, built-in natural gas BBQ, fire pit, wading pool with rock waterfall, in ground cold swim spa, RV parking with water and 30-amp service, dog run, storage shed with power and water, and mature landscaping with automated irrigation. Additional upgrades include copper plumbing, dual-pane windows, laminate flooring (2020), remodeled bathrooms, a 35-year composite roof (2022), upgraded Tesla solar system, fresh exterior paint (2022), and a new 5-ton HVAC system installed in 2025. A rare opportunity to own a custom property with flexible living options, extensive upgrades, and exceptional indoor-outdoor living in the heart of Santa Clarita.