The house for sale with the fewest bathrooms in Walnut Hills has bathrooms, the most being . The average house in Walnut Hills for sale has 0 bathrooms. The largest home for sale in Walnut Hills has square feet, while the average home is about 0. Homes in Walnut Hills are around $0, starting at around $. Homes in Walnut Hills have about 0 bedrooms with the smallest homes having bedrooms and the largest with .