Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address.You must refer to the exemption application instructions for specific requirements. Remember the last day to file for any of these exemptions is March 1, 2025. What is a "Homestead Exemption"? Remember the annual deadline to file for any of these exemptions is March 1st. Exemption Filing Deadline - March 1 - The last day for filing all exemption applications for the current year. Q: How can I get my current property tax bill? Below please find the Declaration of Homestead forms, a Simple Guide to the Massachusetts Homestead Act, and brochures in English, Spanish, or Portuguese. The annual deadline to file for any of these exemptions is March 1st.