Overview of the Homestead Act. You must file a document called a "Declaration of Homestead".How do I file a Declaration of Homestead? Homestead forms, or homestead deeds, are filed at the Registry of Deeds in the county in which the residence is located. Chapter 188 of the Massachusetts General Laws, the Homestead Statue, has been rewritten in its entirety. Online: Go to Homestead Tax Credit Eligibility Application page, and complete the online form. Filing an online application will be faster than mailing one in. The Homestead form is filed at the registry in the county that your home is located in.