The Hays County Tax Assessor-Collector mailed property tax statements to county property owners Monday. The bills will be due by Jan. 31. According to information provided to Community Impact Newspaper by the Hays County Tax Assessor-Collector’s office, the average annual property tax bill among nine randomly selected residential properties in San Marcos, Kyle and Buda increased by 15.45 percent between 2011 and 2016. Between 2015 and 2016, the average bill of the selected properties increased 8.84 percent. For a complete list of Hays County taxing entities, click here.