Welcome to your dream home nestled against the backdrop of the San Gabriel mountains, in the prestigious Country Club area of Altadena! Prepare to be captivated by this recently expanded and meticulously crafted single-level Modern Spanish-style residence on nearly a half acre lot, boasting luxurious amenities and entertainment space. With a total of 3,525 SF of living space, this 4 bedroom, 4 bathroom home offers 3,109 SF in addition to the new construction 1 bedroom, 1 full bathroom 416 SF ADU. This home features a light-filled home office and an incredible family room with a high ceiling and tall sliding glass doors, which provide access to the front and rear yards. Every corner of this residence exudes sophistication, with attention to detail evident in its design. The barrel ceilinged living room showcases a large arched window facing the front courtyard and succulent garden, and a wood-burning fireplace. Enter the formal dining room through a large arched entry and view the expansive, fully hedged front yard. The kitchen has stainless steel appliances, including a Bosch dishwasher, Samsung refrigerator, double oven, plus a charming breakfast nook. The walk-in food pantry and separate laundry room are adjacent to the kitchen. Each bathroom takes on its own timeless character, with exquisite tilework. The primary suite is a resort-like sanctuary, with its tall sliding glass doors and view of the pool. The new primary bath features tile accents, dual sinks, large soaking tub, a dual-headed shower and a large walk-in closet. The hardwood floors are natural-finish oak. This 21,141 SF lot is a true SoCal outdoor oasis. Enjoy the new, large infinity pool with a fountain feature, a trellised brick dining patio, an open grassy area, and a raised vegetable garden, and lighted sports court. The newly built ADU is a stand-alone structure, polished concrete floors, new kitchen appliances, heating + A/C, and French doors. There is an additional 321 SF of storage space. Additional features include: new dual pane windows + doors (some windows are original character windows), new multi-zoned HVAC, new roof, LED lighting, and smart-home features, including cameras and Nest thermostats, a detached, finished 413 SF 2-car garage, and EV car charger. The hedged and private yard features all new hardscape/ landscape plus citrus trees + 2 mature oaks. Enjoy easy access to hiking trails. This Modern Spanish-style masterpiece is sure to exceed your expectations.