Apply for homestead exemptions? Call the Tarrant Appraisal District at 817-284-0024.For complimentary assistance with homestead exemptions, please contact us at 713 290 9700. Tarrant County homeowners may need to renew their homestead exemption in order to keep the reduction it brings to their property tax bill. Homestead Improvement Exemption. This exemption is available to qualified homeowners who have made improvements to their principal dwelling place. Cook County has identified the real and potential effects of homestead exemptions as an issue in the administration of its property tax system. Use SmartAsset's tools to better understand the average cost of property taxes in your state and county. Enter your financial details to calculate your taxes. 3️⃣ File an Appeal: Submit your evidence to the county's tax office.