Search luxury homes for sale in Katy, TX, a city located in Fort Bend County. These Katy luxury home listings are updated daily from the MLS. For more info about any of these Katy luxury homes for sale, click the "Request More Information" button located on the detail page of each property. And, register for a free account to automatically receive email alerts whenever new luxury properties hit the Katy market that match your specific search criteria and save your favorite properties for quick access.