Welcome to the prestigious gated Cornerstone Community in Rancho Cucamonga! This rare single-story home with separately entry of next Generation ADU situated on a corner lot. it was very well maintained by the first owner. After entering the front door, you'll flow into the kitchen, adorned with plenty of dark wood cabinetry, modern fixtures, a stainless steel oven & range, and a spacious kitchen island with high chairs. The living room is a spacious sanctuary with a modern white clay fireplace, and 2 generously sized front windows that floods the room with natural light, creating an inviting ambiance. the main house offers 3 bedrooms, with 1 flex room(currently used as 4th bedroom), and 2 beautifully appointed bathrooms. The best part awaits, as you step next to the front door there is an original permitted next generation den ADU, offering a separate, private living space. Inside, the ADU has 680sf with a living area and a kitchen complete with dark wood cabinetry, and stainless steel appliances.The ADU includes 1 bedrooms and 1 full bathrooms, A dedicated closet space allowing convenient stackable washer and dryer. this ADU accumulate around $2000 monthly income if rented out. HOA amenities is just a leisurely 4 minute stroll away: pool, playground, clubhouse and BBQ area. It also provides Awarding winning Etiwanda schools and is close to Victoria garden shopping. The home includes builder-installed solar panels with a lease of approximately $120 per month.