The Maricopa County Treasurer will be issuing tax bills for Tax Year 2010 later this month.  In order to maintain the right to appeal your property’s 2010 full cash value, you must timely pay all 2010 taxes as they come due.  The first half of your Tax Year 2010 payment is due and payable on October 1, 2010 and becomes delinquent on November 1, 2010.