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 Send only one application per envelope, even if several people in the same house (e.g. , multiple owners) are filing applications. Complete a homestead declaration form. If you are a single or married homeowner filing together, you may be eligible to apply online.