Municipal taxes shall be due and payable on July 1 of each year. Notice of the due date and late charges for late payment of taxes shall be published by the Treasurer in a newspaper of general circulation in the city as provided under state law. The Treasurer shall mail a tax bill to the last known property owner of record. Where more than one person owns the subject property, only one bill shall be mailed. The Treasurer shall not be required to make personal demand upon persons named in the tax roll for payment of taxes. Failure on the part of the Treasurer to publish notice or mail tax bills as described above shall not invalidate the taxes on the tax roll or release the real property or persons from the taxes and late charges.