Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address.The deadline to file for the full exemption is February 15. Learn about real property exemptions. Contact Us Real Property Email Real Property Physical Address 255 Main Street Goshen, NY 10924 Phone: 845-291-2490 Multiple Owners: Benefit limitations may apply when there are multiple owners. The claim form, BOE-266, Claim for Homeowners' Property Tax Exemption, is available from the county assessor. Two forms of identification or proof of address.