Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address.We are unable to accept online filings. Complete a homestead declaration form. Learn about real property exemptions. Contact Us Real Property Email Real Property Physical Address 255 Main Street Goshen, NY 10924 Phone: 845-291-2490 NOTE TO COUNSEL: Please fill out both columns of this checklist completely to assist the court in processing your client's pleading. If you do not provide. When qualifying seniors buy property after the deadline, then the senior can apply up to 30 days after the purchase. If you no longer qualify for the Homestead Exemption you must file the change or removal form.