Coldwell Banker Residential Brokerage can help you find Williamson County, TX homes for sale, condos, rentals and open houses. Refine your Williamson County real estate search results by price, property type, bedrooms, baths and other features. Need more information? View Coldwell Banker Residential Brokerage Williamson County 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 Williamson County, TX.