Welcome to one of the most exceptional properties in the highly sought-after Thoroughbred Christmas Light Street of Alta Loma! Situated on one of the largest homesites in the neighborhood, this expansive 5-bedroom, 3-bathroom home offers 4,049 square feet of living space on an impressive 22,500 square foot lot, combining space, functionality, and incredible outdoor living. From the moment you arrive, you'll appreciate the pride of ownership. Inside, the home features tile flooring, dual pane windows, and a spacious, well-designed layout ideal for both everyday living and entertaining. The expanded kitchen offers ample space for cooking and gathering, while the expanded primary suite includes a retreat area and a generously enlarged walk-in closet, creating a true private sanctuary. This home has been significantly enhanced over the years, including the addition of two extra bedrooms, making it ideal for larger households, multi-generational living, or flexible work-from-home needs. Major system upgrades include dual AC units (east side replaced in 2001 and west side in 2024), a newer water heater, newer thermostats, and a new garage door motor installed last year, providing comfort and efficiency. Step outside to your own private resort-style backyard-perfect for entertaining and enjoying Southern California living at its finest. The grounds feature a sparkling in-ground pool and spa with updated equipment (2021) and a new pool filter (2025), a custom outdoor BBQ island, and a palapa that creates a true vacation-style atmosphere. The property also includes a detached storage workshop/shed, ideal for hobbies, storage, or workspace needs, currently being used for Christmas Light storage. Mature fruit trees and lush landscaping enhance the beauty and functionality of this expansive lot. Enjoy breathtaking mountain views by day and stunning city light views by night, offering a truly picturesque setting year-round. A 3-car garage adds convenience and additional storage. Located in one of Alta Loma's most beloved neighborhoods and-famous for its holiday charm and community pride-this is a rare opportunity to own a home that offers size, upgrades, location, and lifestyle all in one.