As of November 28, Asherton, TX currently has 1 tax liens available. Are you looking to buy a tax lien in Asherton, TX? What happens when you buy a tax lien? Home buyers and Investors buy the liens in Asherton, TX at a tax lien auction or online auction. These buyers bid for an interest rate on the taxes owed and the right to collect back that money plus an interest payment from the property owner. The relatively high interest rate makes tax liens an attractive investment.