Check your exemptions. If you were not granted the exemption allowed, contact CCAD. The appraised value may be greater than in the previous year. If so, you will receive an explanation from the Coryell Central Appraisal District for the increase. Also, the tax rate may have increased and if so, the amount of your tax could be more than the previous year. The breakdown of the tax rates of the various jurisdictions is shown on your tax statement.