Residence Homestead Exemption Application. File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan.This video will cover how to fill out the homestead exemption form. You can use Texas Comptroller Form 50114 to apply for the General Homestead Exemption. Applications for exemptions must be submitted to the Bexar Appraisal District. You must apply between January 1st and April 30th of the year for which you want the exemption. How do I get a homestead exemption? If the home is in San Antonio, that would be Bexar Appraisal District. You can send in the application via email, mail or fax. The City of San Antonio increased the homestead exemption for its portion of a resident's tax bill from .