Welcome to 275 E. 24th Street, an exquisite, privately gated Single-Story Mediterranean Villa with Permitted Two Bedroom Guest House nestled in the prestigious San Antonio Heights. This rare estate offers the perfect blend of luxury, comfort, and privacy, situated on an expansive 40,000 SF flat lot framed by lush, mature tropical landscaping. Extensively remodeled in 1990, the main residence boasts 5,534 SF of elegant living space, featuring 5 bedrooms, 6 bathrooms, and a private office. From the moment you arrive, a circular driveway and grand gated entrance welcome you to soaring ceilings with skylights allowing natural light, a formal living room with marble flooring, and panoramic views of the stunning backyard oasis. The chef’s kitchen is a dream with granite countertops, a large center island, stainless steel appliances, custom cabinetry, built-in desk, and direct views of the pool. Entertain with ease in the inviting family room with a built-in bar, sink, and wine fridge, or host formal gatherings in the elegant dining area. The luxurious primary suite offers a serene retreat with a double-door entry, cozy fireplace, walk-in closet, wet bar, and spa-inspired bathroom complete with jetted tub and oversized shower. Additional highlights include multiple ensuite bedrooms, an in-law suite with its own private living area and bathroom, and a dedicated office with built-ins. A major bonus is the Permitted 2012 built Single-Story Guest House, offering 1,182 SF with two bedrooms, one bathroom, living room with built-ins, kitchenette, oversized shower, and a private sauna, perfect for guests, extended family, or rental income. Step outside to your own resort-style paradise, featuring a sparkling pool and spa, expansive patios, manicured lawn areas, tropical gardens, and a covered outdoor kitchen with its own pool bathroom with shower. Additional amenities include an indoor laundry room, circular driveway, 3-car attached garage, and ample off-street parking. This is truly a one-of-a-kind estate offering luxury, versatility, and unforgettable outdoor living. Don’t miss your chance to own a piece of paradise in Upland!