Texas Tax Calendar

January 1 - Assessment Date - Rendition Period Begins
January 31 - Prior Year Taxes Due

February 1 - Tax Delinquent Date

April 15 - Renditions Due

May 15 - Last day (or as soon as possible after this date) for Chief Appraiser to mail notices of appraised value and notices of denial of exemptions or special appraisal. Prepare appraisal records and submit them to the ARB.
May 31 Last day for property owners to file a protest with the ARB (or by the 30th day after the notice of appraised value is delivered, whichever is later)

June - General Protest Period

July - Delinquent taxes incur total 12 percent penalty
July 3 - Delinquent taxes may start accumulating additional penalty to pay collection costs
July 20 - ARB must approve appraisal records by this date, but may not do so if more than 5 percent of the total appraised value remains under protest
July 25 - Last day for Chief Appraiser to certify an appraisal roll to each taxing units' Assessor

August 1 - The taxing units' Assessor submits the appraisal roll to its governing body by this date (or soon after)

September 1 - December 31 - Tax bills issued; Litigation period generally begins