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The average West Islip, NY home value is $756,393, up 6.7% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $756,393
1-Year Value Change: +6.7%
(Data through October 31, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in West Islip, NY is $756,393 as of October 2026. This represents a 0.6% increase compared to last month and a 6.7% increase year-over-year.
Home values in West Islip, NY have increased by 0.6% month-over-month and 6.7% year-over-year.
The median home value in West Islip, NY ($756,393) compares to: Suffolk County ($724,267), New York ($523,217), and the U.S. national median ($364,288).