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The average Central Islip, NY home value is $592,710, up 6.6% 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: $592,710
1-Year Value Change: +6.6%
(Data through August 31, 2026)
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The median home value in Central Islip, NY is $592,710 as of August 2026. This represents a 0.8% increase compared to last month and a 6.6% increase year-over-year.
Home values in Central Islip, NY have increased by 0.8% month-over-month and 6.6% year-over-year.
The median home value in Central Islip, NY ($592,710) compares to: Suffolk County ($738,423), New York ($526,714), and the U.S. national median ($368,697).