Completing the form in its entirety will expedite the process of your application. Complete the form as follows: 1.How To Apply for a Homestead Exemption in Hillsborough County? What is your social security number and your co- applicant or spouse's social security number? Declaration Domicile (obtained from Clerk of Circuit Court); Florida Homestead Exemption; Student ID Card from a Florida School (if under 18 years of age). The social security number will be used to verify taxpayer identity and homestead exemption information submitted to property appraisers. Continued on page 2.