You may file for a homestead exemption up to two years from the date the taxes became delinquent for that tax year. Permanent Florida residency required on January 1.Basically every county must have a system in place to verify the homestead every 5 years. Visit the website of your county's appraisal district and look for exemption information. NOTE: Each individual owner, excluding married couples, residing on the property must complete a separate application to qualify for their exemption. Eldorado Pkwy, McKinney, TX 75069. There is no fee to file the homestead exemption form. Like the homestead exemption, only school districts are required to offer this exemption. The typical deadline for filing a Collin County homestead exemption application is between January 1 and April 30. Darrell Self is your Collin County Texas real estate expert.