Displayed below, and updated daily from the MLS, are homes for sale in Buttercup Creek, a neighborhood in Cedar Park, TX 78613. Buttercup Creek is located off S Lakeline Blvd and Buttercup Creek Blvd near the Buttercup Creek Cave Preserve and is served by the Leander ISD. Request more information from the detail page of each Buttercup Creek real estate listings in the Cedar Park, Williamson County area. Receive email alerts whenever new Buttercup Creek homes hit the Cedar Park real estate market and save your favorite properties for quick access.