Coldwell Banker Residential Brokerage can help you find Union Hill Elementary School, Round Rock, TX homes for sale and rentals. Refine your Union Hill Elementary School real estate search results by price, property type, bedrooms, baths and other features. Need more information? View Coldwell Banker Residential Brokerage Round Rock real estate agents or offices and let us help you find the perfect property. We also have area guides that show more information about properties in Round Rock, TX.