Determine your home's current market value. Exemption applications must be filed with your local assessor's office.See our Municipal Profiles for your local assessor's mailing address. You can get information about your property tax benefits, including: Application status, Current benefit amounts, Proposed benefit for the upcoming tax year. Though all property is assessed, not all of it is taxable. See a list of common property tax exemptions in New York State. Select all exemption(s) for which you are applying: Basic Homestead Exemption. These are the official forms for use in Family Court proceedings. Claim For Homeowners Property Tax Exemption. To claim this exemption you must be the owner or co-owner or a purchaser named in a contract of sale.