BOGO opportunity—two homes on one spacious lot! This unique property features a 2,680 sq. ft. main home with 4 bedrooms and 3 bathrooms, plus a guest house with its own kitchen, bathroom, and private entrance. Ideal for multigenerational living, extended family, guests, or rental income. The main home offers a downstairs primary suite, a second bedroom, and a dedicated office. The welcoming living room flows into the kitchen and dining area, creating an inviting space for everyday living. The oversized family room offers the flexibility to create two functional areas, such as a second sitting area, play corner, or exercise space. Two additional bedrooms upstairs feature walk-in closets. The spacious backyard provides plenty of room to relax and enjoy outdoor living. Located in a mature and well-established Diamond Bar neighborhood within the Walnut Valley Unified School District. Conveniently close to schools, parks, shopping, restaurants, and H Mart, with easy access to the 57 and 60 freeways. A rare opportunity to enjoy two separate living spaces on one lot. See it for yourself!