Adding an Apartment for Your Parents in Islip? There May Be a Property Tax Exemption
Islip Has a Parent/Grandparent Exemption
The Town of Islip's Assessor FAQ lists a Parent/Grandparent Exemption for residents who add an apartment for a parent or grandparent age 62 or older. Proof of the relationship and primary-residence use may be required.
Conclusion
Adding space for an aging parent can involve permits, assessment changes and potentially property tax exemptions. Verify current requirements with the Town of Islip Assessor's Office.