Rare two-residence opportunity in the heart of Hacienda Heights featuring a main house and a fully detached permitted ADU, ideal for multigenerational living or strong rental income potential. Situated on an expansive 12,888 sq ft lot, the main residence offers 4 bedrooms, 2.5 bathrooms, plus an office/den across approximately 2,247 sq ft, with a comfortable layout well-suited for everyday living or as a high-demand rental. The property features a beautifully manicured lawn and generous outdoor space that creates a welcoming setting for residents and guests alike. Privately positioned at the rear is the fully detached permitted ADU with its own address (1443 9th Ave), approximately 1,200 sq ft, offering 3 bedrooms, 2 bathrooms, and an office, and equipped with fully paid solar. The separate structure and address provide excellent flexibility for extended family or additional income. Both the main home and ADU present excellent long-term or short-term rental potential. Conveniently located near shopping, dining, and outdoor recreation at Turnbull Canyon, the property is also served by the Hacienda La Puente Unified School District, including the well-regarded Glen A. Wilson High School. With two separate residences, a large lot, paid solar, and versatile living options, this property is a standout opportunity for investors, multigenerational households, or buyers seeking to maximize real estate income potential.