Above, you will see a summary of real estate in Islip Terrace, NY. On average, homes in Islip Terrace, NY cost $349,300, a value that is 22% higher than the average in New York. In general terms, this results in Islip Terrace, NY real estate being less affordable than New York real estate. On average, people who rent houses in Islip Terrace, NY pay $0; this value is 100% lower than the average amount renters pay in New York. 91.8% of Islip Terrace, NY residents own their own homes and, on average, each of the homes has 2.8 occupants. Islip Terrace, NY real estate features a range of homes, which include everthing from large houses to small condos to stacked townhomes. Accessing real estate listings and homes that are up for sale in Islip Terrace, NY is easy because in our search area shown above, we categorize real estate and homes based on location, price, and the number of bedrooms and bathrooms.