20317 Alta Hacienda Beautifully remodeled single-story home nestled on a quiet hillside cul-de-sac in the highly desirable city of Walnut. This well-designed residence offers 4 bedrooms and 3 bathrooms with a functional, open layout that provides both comfort and effortless living. Recent upgrades include new interior paint, fully updated all bathrooms, new closet doors in all bedrooms, and a newly installed sliding glass door in the living room (approx. $7, 000). Major A/C cleaning completed: an Air Scrubber was installed and air duct replacement last year. Addiiton system improvements include copper plumbing (completed approx. 3 years ago), and electrical updates (2008). Enjoy tasteful modern upgrades throughout, creating a seamless flow ideal for everyday living and entertaining. Located within the award-winning Walnut Valley Unified School District and just minutes from Mt. San Antonio College and California State Polytechnic University, Pomona. Conveniently close to shopping, dining, parks, and easy access to the 10, 60, and 57 freeways.