1724 S Monterey, Ontario, California 91761

Welcome to this beautifully maintained 3-bedroom, 2-bathroom main residence, offering an incredible opportunity with a custom-built, detached ADU. Ideal for generating passive income or housing extended family, the fully permitted, 1-bedroom, 1-bathroom ADU includes its own private entrance, a full kitchen, and in-unit laundry. Located in the highly desirable and up and coming City of Ontario; located near schools, parks, and local dining, this rare dual-living property is perfect for buyers seeking flexibility and investment value.