Set back behind a sweeping drive and mature pines, this single-level, beautifully updated Altadena traditional offers roughly 3,600 SF of light-filled living on a meticulously landscaped 20,000 sq ft lot with pool with waterfall spa Jacuzzi.A formal entry opens to a 25-foot living room with a fireplace, flowing into a dining room with its own fireplace. The expansive kitchen brings warmth and character with stone countertops, custom wood cabinetry, Viking stainless steel appliances, and a gorgeous center island with an elevated bar offering seating for eight. The kitchen flows seamlessly to a casual dining area and immense family room, wrapped in light-filled windows and a wall of French doors, and highlighted by a wood-planked vaulted ceiling, floor-to-ceiling stone-clad fireplace, recessed lighting, and rich oak flooring.The private primary wing features French doors that open to the private deck, with full views of the rolling lawn, pine trees, and yard, two his-and-hers walk-in closets, and a spa-style bathroom with a soaking Jacuzzi tub for two, dual vanities, and a separate shower. The home offers three additional bedrooms, one of which is a perfect in-law suite, two more baths, including one with an ADA-compliant walk-in shower, and a 20-foot office with its own exterior entrance, providing exceptional flexibility for guests, work-from-home, or studio use.Outside, two patios and a poolside lounge overlook the deep grounds, which host a massive pool with waterfalls and Jacuzzi, creating a true retreat. Natural rock formations and miniature cliff-like outcroppings give the pool an organic, oasis-like character, as though you had just hiked in from Eaton Canyon. The secluded privacy and generous grounds are ideal for relaxing or entertaining. All of this is just minutes from local, Pasadena, and Sierra Madre dining, trails, and the foothills.Offering an exceptional combination of scale, privacy, and indoor-outdoor living, this remarkable single-story residence is a rare offering in one of Altadena's most established neighborhoods.