Dates to


  • 1st - The date that taxable values and qualification for specific exemptions are determined for the tax year.
  • 10th - Tax bill from the previous year must be mailed by this date for the delinquency date to be postponed
  • 31st - Last day to pay the previous year tax bill at County Tax Assessors-Collectors office before tax becomes delinquent


  • 1st - The date that the previous year tax bill becomes delinquent if a bill was not mailed on or before Jan. 10 of the current year.


  • 1st - Last day for chief appraiser to mail notices of appraised value for single-family residence homestead properties.
  • 16th - The time frame Taxpayers may informally appeal their property's Market Value to Appraisal Districts that offer this service.
  • 30th - Last day to submit application for most exemptions.


  • 1st - Last day (or as soon as practicable thereafter) for chief appraiser to mail notices of appraised value for properties other than single-family residence homesteads.
  • 2nd - Beginning of time period when taxing units must notify delinquent taxpayers that taxes delinquent on July 1 will incur additional penalty for attorney collection costs at least 30 days and not more than 60 days before July 1. Period ends on June 1.
  • 15th - Last day to file most protests with ARB (or by 30th day after notice of appraised value is delivered, whichever is later).


  • 1st - Date that delinquent taxes incur total 12 percent penalty.
  • 20th - Date ARB must approve appraisal records, but may not do so if more than 5 percent of total appraised value remains under protest. The board of directors of a CAD in a county with a population of 1 million or more may postpone the deadline to Aug. 30 or increase the threshold percentage from 5 to 10 percent of the appraised value of properties not under protest.
  • 25th - Last day for chief appraiser to certify appraisal roll to each taxing unit.


  • 1st - Date taxing unit's assessor submits appraisal roll and date that collector submits collection rate estimate for the current year to the governing body (or soon after as practical).
  • 31st - If a tax bill is returned undelivered to a taxing unit by the United States Postal Service, a taxing unit must waive penalties and interest if the taxing unit does not send another tax bill at least 21 days before the delinquency date to the current mailing address furnished by the property owner and the property owner establishes that a current mailing address was furnished to the CAD for the tax bill before Sept. 1 of the year in which the tax is assessed.


  • 1st - Deadline for a county or city to either publish the property tax rate notice in a general circulation newspaper or mail it to each property owner and post the notice on its website (or 30th day after each applicable appraisal roll is received, whichever is later)


  • 1st - Date tax assessor mails tax bills for the year (or soon after as practical)                                                                           


  • 1st - Time when appraisal office may conduct a mail survey to verify homestead exemption eligibility.                                        

*** The dates listed are some of the most critical property tax deadlines for property owners. For the full list of deadlines please visit the commptroller website . When the last day for performing an act falls on a Saturday, Sunday or legal holiday, Tax Code Section 1.06 designates the deadline as the next regular business day. Always verify with the local appraisal district office or tax office if a due date falls on the weekend or holiday.  The information provided in this calendar is deemed reliable, but is not an official property tax calendar and should only be used as an advisory tool. Any questions should be addressed with legal counsel for the governmental entity.

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