First time on the market in nearly 40 years! Proudly owned by the original owner since 1987, this rare San Gabriel property offers a wonderful opportunity to own a spacious home with an additional and PERMITTED ADU on one lot. The main residence features over 1,800 square feet of living space with 3 bedrooms and 2 bathrooms, offering a functional and comfortable layout ideal for everyday living. Inside, you'll find soaring vaulted ceilings, generously sized bedrooms, and a large family room with plenty of space to gather and relax. The home also offers a spacious kitchen, an adjacent formal dining area, and a separate secondary kitchen/prep area that is ideal for prepping larger meals, entertaining, or just enjoying an additional dedicated cooking space. The washer and dryer are located in the garage for the main home. Tucked away in the rear of the property, the ADU provides added flexibility and includes a living area, small kitchen, bedroom, and bathroom--perfect for extended family, guests, or additional living options. There are also separate washer/dryer hookups for the ADU located in a utility room at the back of the house. Step outside to enjoy a private backyard with mature trees, offering a peaceful setting to relax, entertain, and take advantage of the beautiful Southern California weather. Conveniently located in a desirable neighborhood, this home also benefits from access to well-regarded local schools. A special opportunity with space, versatility, and pride of ownership, on the market for the very first time.