Harris County CAD Property Tax Calendar

Stay on top of key deadlines of the Harris County CAD. Knowing the important dates can help you avoid missed opportunities for property tax savings.

January 1
Date that determines taxable value and homestead status. Over-65 or disability homestead exemption applications may be filed the year the applicant becomes 65 or meets the social security requirements for total disability.
January 31
Last day to pay prior year property taxes without penalty and interest. If a deadline falls on a weekend or legal holiday, the last day to file is automatically extended to the next business day.
April 1
Rendition Deadline-Last day for business property owners to file renditions or request an extension.
April 30
Last day to apply for many types of exemptions. Last day to apply for agricultural, timber or wildlife productivity appraisal
May 15
Harris County Property Tax Protest Deadline-Deadline to file written protests to the appraisal review board (or by the 30th day after a notice of appraised value is mailed to the property owner, whichever is later.)
October
Tax bills by HCAD are usually mailed during this month.