The typical deadline for filing a Collin County homestead exemption application is between January 1 and April 30. Exemption applications can be downloaded from here.File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan. You may file a late application for a residential homestead exemption up to two years after the date the taxes become delinquent. Filing this exemption is free of charge and simple for you to complete on your own. How Do I Apply for an Exemption and Fill Out a Homestead Exemption Form? In Texas, any individual who owns a residential property can qualify for a general homestead exemption. Information for New Homeowners ; Collin County Central Appraisal District. collincad.